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Manuals

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Categories
Frame Relay T1 - E1 & Faster
Multiplexers Remote Access Voice/Data


DSUs & Modems LAN Products Converters & Other Products


SCADA Encryption and Security

     




FRAME RELAY

SR-01-BPM Broadcast Polling Master
The SR-01-BPM, Broadcast Polling Master, as described in many recent SCADA trade journals. A FRAD that allows async multipoint polling over frame relay networks WITHOUT knowledge of the underlying protocols

Frame Relay Broadcast Polling FRAD
A FRAD that allows async multipoint polling over frame relay networks WITHOUT knowledge of the underlying protocols

Frame Relay Broadcast Polling FRAD w/Backup
A FRAD that allows async multipoint polling over frame relay networks WITHOUT knowledge of the underlying protocols. This one provides for two backup link interfaces

Asynchronous FRAD
8 to 32 Async ports, Frame Relay Composite to 128Kbps Host end to be used with multiple SR remotes.

SR Multiplexer
1 to 32 Async ports, Frame Relay Composite to 128 Kbps, Point-to-Point Frame Relay FRAD or Multi-Point remote FRAD when used with SRX (above).

SR Multiplexer
1 to 4 Async ports, Frame Relay Composite to 128 Kbps, Point-to-Point Frame Relay FRAD or Multi-Point remote FRAD when used with SRX (above).



 




SCADA Products
Although many DCB products (DSUs, modems, FRADs, multiplexers, Etherpath, and Access Switch) are used in SCADA systems, those in this section are especially suited for SCADA applications.

SMD Scada Multi-Drop Multiplexer
Allows two to four SCADA polling systems to share a single multi-drop communications network. Used with SMD devices at each remote site, as many as four completely independant SCADA systems may share the network without interference. Speed, parity and other parameters may be set individually for each port.

SR-01-BPM Broadcast Polling FRAD
The SR-01-BPM, Broadcast Polling FRAD, as described in many SCADA trade journals. A FRAD that allows async multipoint polling over frame relay networks WITHOUT knowledge of the underlying protocols

Frame Relay Broadcast Polling FRAD w/Backup
A FRAD that allows async multipoint polling over frame relay networks WITHOUT knowledge of the underlying protocols. This one provides for two backup link interfaces

EDNP3 DNP-3 Ethernet Gateway
The EDNP-3 converts DNP-3/UPD or DNP-3/TCP to DNP-3 serial allowing serial RTUs to be used with a DNP/ethernet host.


EMB-02 Modbus Ethernet Gateway
The EMB-02 converts Modbus/TCP to Modbus/serial (ASII or RTU) allowing serial modbus RTUs to be used with a Modbus/TCP host.

Frame Relay Broadcast Polling FRAD
A FRAD that allows async multipoint polling over frame relay networks WITHOUT knowledge of the underlying protocols

Encrypted EtherPoll® two Port Encrypted Ethernet SCADA Serial Server
The Encrypted EtherPoll is a two port SCADA communications serial server that allows multi-drop devices to use Ethernet LAN's in a more secure manner. The Encrypted EtherPoll connects any async serial device through a LAN and between LAN's via routers with an AES-128 encrypted link. The Encrypted EtherPoll is designed specifically to support asynchronous polling protocols, such as Poll Select, Modbus, DNP, etc. It is compatible with the one port EtherPoll products when used in unencrypted mode. One port may be encrypted while the other connects with an AES encrypted network of devices.

EtherPoll® two Port Ethernet SCADA Serial Server
The EPL-2 EtherPoll is a two port SCADA communications serial server that allows multi-drop devices to use Ethernet LAN's. The EtherPoll connects any async serial device through a LAN and between LAN's. The EtherPoll is designed specifically to support asynchronous polling protocols, such as Poll Select, Modbus, DNP, etc. It is compatible with the one port EtherPoll products.

EtherPoll® Single Port Ethernet SCADA Serial Server
The EtherPoll is a SCADA communications serial server that allows multi-drop devices to use Ethernet LAN's. The EtherPoll connects any async serial device through a LAN and between LAN's via routers. The EtherPoll is designed specifically to support asynchronous polling protocols, such as Poll Select, Modbus, DNP, etc.

ASU Asynchronous Sharing Unit
4 to 32 port RS-232 Asynchronous data sharing unit, Shares data from one port to up to 32 ports, combines data coming the reverse direction. Ideal for POS devices, SCADA, paging, and machine control.

Conitel Asynchronous Adapter
Converts that old 32 bit Conitel or Racal REDAC protocol to allow transport over asynchronous 8-bit communications devices. Often used with our EtherPoll ethernet gateway to transport Conitel via ethernet. Special firmware is also available that transports 11 bit words.

MSU-6 Modem Sharing Unit
An active, six port modem sharing unit that works equally well with synchronous or asynchronous data ports.

EtherGate® Single Port Ethernet SCADA Serial Server
The Ethergate is a SCADA communications serial server that allows DNP-3 and Modbus devices to use Ethernet LAN's. The EtherGate connects async serial devices through a LAN and between LAN's via routers. The EtherGate is designed specifically to support Modbus (ASCII and RTU) and DNP-3 asynchronous polling protocols. The EtherGate manual is an addition that should be used along with the basic EtherPoll manual above.

EtherPath® Single Port Ethernet RS-232 Server
A single port ethernet serial server with the ability to have a "nailed" ethernet connection to a second unit. User can also telnet to this device to access its RS-232 port.
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Security and Encryption Products

XT-3303 Encrypted Ethernet Tunnel
img The XT-3303 encrypted tunnel is the new mid-range model of the XT family of encrypted ethernet bridges. It provides an encrypted ethernet tunnel between two or more ethernet LANS with sustained 20 Mbps throughput. This model is rated for -40 to +70C. There are three gigabit interfaces that can be configured as trusted or untrusted LAN ports. The XT bridges all Ethernet protocols, including multi-cast, without the complexity of a full VPN install. The XT is compatible with all XT, UT, and ET family encryption devices.

XT-3305 Encrypted Ethernet Tunnel
img The XT-3305 encrypted tunnel is the most economical model of the XT family of encrypted ethernet bridges. It provides an encrypted ethernet tunnel between two or more ethernet LANS. This model is often deployed as the remote end of a multiple site network, or used in pairs for medium performance links. It contains five gigabit interfaces that can be configured as one of three soft LAN ports. Sustained encryption throughput greater than 20 Mbps. The connection between the devices may be any suitable high speed ethernet connection. The XT bridges all Ethernet protocols, including multi-cast, without the complexity of a full VPN install. The XT uses AES encryption, and is compatible with all XT, UT, and ET family encryption devices.

XT-6606 Encrypted Ethernet Tunnel
img The XT-6606 encrypted tunnel is the most economical model of the XT family of encrypted ethernet bridges. It provides an encrypted ethernet tunnel between two or more ethernet LANS. This model is usually deployed as the remote end of a multiple site network, or used in pairs for medium performance links. It contains one 10/100/1000BaseT trusted interfaces and two untrusted interface with sustained encryption throughput greater than 63 Mbps. The connection between the devices may be any suitable high speed ethernet connection. The XT bridges all Ethernet protocols, including multi-cast, without the complexity of a full VPN install. The XT uses AES encryption, and is compatible with all XT, UT, and ET family encryption devices.

XT-6632 Encrypted Ethernet Tunnel
img The XT-6632 encrypted tunnel is the most economical model of the XT family of encrypted ethernet bridges. It provides an encrypted ethernet tunnel between two or more ethernet LANS. This model is usually deployed as the remote end of a multiple site network, or used in pairs for medium performance links. It contains one 10/100/1000BaseT trusted interfaces and one untrusted interface with sustained encryption throughput greater than 700-789 Mbps. The connection between the devices may be any suitable high speed ethernet connection. The XT bridges all Ethernet protocols, including multi-cast, without the complexity of a full VPN install. The XT uses AES encryption, and is compatible with all XT, UT, and ET family encryption devices.

UT-3302 Encrypted Ethernet Tunnel
The UT-3302 bridges provide an encrypted Ethernet tunnel between two or more ethernet LANS with throughput of 10 Mbps or greater. The connection between the devices may be any ethernet network, broadband, wireless, etc. Industrial rated. The UT-3302s bridge all Ethernet protocols, including multi-cast, without the complexity of a full VPN install. The UT-3302 uses AES encryption. It works well in pairs, multiples, or along with the high performance UT-6602 or any XT product. Both are available with a wide variety of power supply options.

UT-3300 Encrypted Ethernet Tunnel
The UT-3300 bridges provide an encrypted Ethernet tunnel between two or more ethernet LANS. The connection between the devices may be any ethernet network, broadband, wireless, etc. Industrial rated. The UT-3300s bridge all Ethernet protocols, including multi-cast, without the complexity of a full VPN install. The UT-3300 uses AES encryption. It works well in pairs, multiples, or along with the high performance UT-6602. Both are available with a wide variety of power supply options. The UT-3302 replaced the UT-3300 and is interoperable with existing UT-3300 units and all XT products.

UT-6602 Encrypted Ethernet Tunnel
The UT-6602 bridge is the higher throughput member of the UT family of encrypted ethernet bridges. It provides an encrypted ethernet tunnel between two or more ethernet LANS. This model is usually deployed as the host end of a multiple site network, or used in pairs for higher performance links. It contains multiple ethernet interfaces, includiong optional Wifi or with sustained encryption throughput greater than 10Mbps. The connection between the devices may be broadband, wireless, cellular-broadband, or PPP dial-up. The UT bridges all Ethernet protocols, including multi-cast, without the complexity of a full VPN install. The UT uses AES encryption, and all UT and XT family devices interoperate.

UT-SOFT
UT/XT series Software Client

UT-SOFT is a software client (All current Windows versions) that allows a PC workstation to operate as a client on any UT or XT bridge network. The UT-Soft PC client software works in conjuction with the UT or XT encryption server hardware. It allows a PC to participate in the encrypted network without additional hardware at the client location. The software is compatible with all versions of Microsoft Windows as well as Windows emulation on Apple computers.

ET-3302 Encrypted Ethernet Tunnel
The ET-3302 bridge provides an encrypted Ethernet tunnel between two or more ethernet LANS. The connection between the devices may be any valid TCP/IP connection, including wireless and Internet. The ET-3302 bridges all Ethernet protocols without the complexity of a full VPN install. The ET-3302 uses AES encryption and interoperates with the entire ET and XT family of secure briding products. It is available with a wide variety of power supply options.

ET-6600 Encrypted Ethernet Tunnel
The ET-6600 bridges provide an encrypted Ethernet tunnel between two or more ethernet LANS. The connection between the devices may be broadband ethernet or PPP dial-up. Industrial rated, the ET-6600 bridges all Ethernet protocols without the complexity of a full VPN install. The ET-6600 uses 128 bit AES encryption. It interoperates with other ET or XT family products and is available with a wide variety of power supply options..

ET-6602 Encrypted Ethernet Tunnel
The ET-6602 bridge is the 10 Mbps throughput member of the ET family of encrypted ethernet bridges. It provides an encrypted ethernet tunnel between two or more ethernet LANS. This model is usually deployed as the host end of a multiple site network, or used in pairs for higher performance links. It contains three ethernet interfaces with sustained encryption throughput greater than 10Mbps. The connection between the devices may be broadband, or PPP dial-up. The ET bridges all Ethernet protocols without the complexity of a full VPN install. The ET uses 128 bit AES encryption, and all ET and XT family devices interoperate.

ET-6630 High Performance Encrypted Ethernet Tunnel
The ET-6630 is the highest performance member of the ET family Encrypted Ethernet Bridges. These provide an encrypted ethernet tunnel between two or more ethernet LANS. This model is usually deployed as the host end of a multiple site network, or used in pairs for high performance links. Each contains two 10/100/1000Mbps interfaces with sustained encryption throughput of 300 Mbps. The connection between the devices may be broadband, or PPP dial-up. The ET bridges all Ethernet protocols without the complexity of a full VPN install. The ET uses 128 bit AES encryption. All ET and XT family devices interoperate.

FT Family FIPS Encrypted Ethernet Tunnel
The FT-Series encrypted ethernet tunnel is based upon a FIPS certified encryption module. This encrypted bridge combines an embedded FIPS 140-2-validated cryptographic module with our reliable, easily configured encryption product family. It provides an encrypted ethernet tunnel between two or more ethernet LANS. It provides sustained encryption throughput from 13 to 720 Mbps. The FTs bridge all Ethernet protocols, including multi-cast, without the complexity of a typical full VPN install. There is a software client available.

ET-6604 High Performance Encrypted Ethernet Tunnel
The ET-6604 is the 40 Mbps throughput high performance member of the ET family Encrypted Ethernet Bridges. It provides an encrypted ethernet tunnel between two or more ethernet LANS. This model is usually deployed as the host end of a multiple site network, or used in pairs for high performance links. Each contains two 10/100/1000Mbps interfaces with sustained encryption throughput of 40Mbps. The connection between the devices may be broadband, or PPP dial-up. The ET bridges all Ethernet protocols without the complexity of a full VPN install. The ET uses 128 bit AES encryption. All ET and XT family devices interoperate.

ET-6620 High Performance Encrypted Ethernet Tunnel
The ET-6620 is the highest performance member of the ET family Encrypted Ethernet Bridges. These provide an encrypted ethernet tunnel between two or more ethernet LANS. This model is usually deployed as the host end of a multiple site network, or used in pairs for high performance links. Each contains two 10/100/1000Mbps interfaces with sustained encryption throughput of 200Mbps. The connection between the devices may be broadband, or PPP dial-up. The ET bridges all Ethernet protocols without the complexity of a full VPN install. The ET uses 128 bit AES encryption. The ET-6620 was replaced with the ET-6630. All ET and XT family devices interoperate.

LLEA Layer 2 Encrypter
LLEA is an ethernet layer 2 encryption device featuring throughput greater than 900 Mbps. With simple web-based configuration and two 10/100/1000BaseT interfaces, it's a drop-in high performance FIPS-140 encrypter.

SE-6600 Serial Encrypter
The SE-6600 is an industrial rated serial data encryption device featuring two serial ports, a device port and a network port. The SE-6600 uses AES 256-bit encryption, 128-bit block size, to encrypt point-to-point and multi-point lines using any serial media that terminates in RS-232 connections with throughput up to 115.2 Kbps.

SSE-R Serial Encrypter
The SSE-R is an industrial rated serial data encryption device featuring two serial ports, a device port and a network port. The SE-6600 uses AES 128, 192 or 256-bit encryption, to encrypt point-to-point and multi-point lines using any serial media that terminates in RS-232 connections with throughput up to 115.2 Kbps. The SSE-R is RoHS compliant

Two Port Encrypted EtherPoll Ethernet Tunnel
The Encrypted EtherPoll is a two port ethernet serial server that allows point-to-point or multi-drop devices to use Ethernet networks in a more secure manner. The Encrypted EtherPoll connects any async serial devices with an AES-128 encrypted link through a LAN or between LAN's via routers . The Encrypted EtherPoll is designed to support asynchronous polling protocols, such as Modbus or DNP, as well as non-protocol data transfers. For maximum flexibility, it is compatible with the one port EtherPoll products when used in unencrypted mode. One port may be connected to un-encrypted single port EtherPoll while the other connects with a network of AES Encrypted EtherPolls.

Port Mapping
Encrypted Tunnel

Port Mapping Encrypted Tunnel. This is a multi-point tunneling device with three 10/100BaseT Ethernet interfaces. It's primary use is in large dispersed networks, where access to individual remote IP devices is required from a host site, yet strict security needs to be enforced at that host site.

SM-56 Security Modem
The SM-56 is an industrial rated high security dial-in/out modem. It is easily configured to meet the new NERC CIP security perimeter dial-in requirements as well as other higher security modem needs. With features such as one-time passwords, AES shared key mode, and logging; it may be used as any other simple modem or configured for high security uses. See the datasheet here.


EST-9600 Synchronous Serial Via Encrypted Ethernet
The EST-9600 is a single port synchronous HDLC serial server that tunnels any HDLC data stream via an encrypted ethernet link. Industrial rated. The EST-9600 handles the conversion of HDLC synchronous to ethernet protocols, and provides clocking signals at both ends of the circuit. The EST-9600 use 128 bit AES encryption and is available with a wide variety of power supply options..



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MULTIPLEXERS

SR-04 Multiplexer - Low cost 4 port multiplexer,128Kbps composite, 57.6 Kbps ports.

SR-04 SCADA Multiplexer - Low cost 4 port multiplexer optomized for SCADA protocols, 128Kbps composite, 57.6 Kbps ports.

SPL Multiplexer
2 to 14 ports, DDS, Multi-point DDS, Dial-up, or ISDN composite Stat Mux

SPL Multiplexer
2 to 14 ports, DDS, Remote Multi-point DDS Version Manual

SR Multiplexer
8 to 32 ports, Frame Relay, point-to-point Frame Relay, DDS, Dial-up, or ISDN composite Stat Mux. Multi-point Frame Relay when used with the SRX host end multiplexer/FRAD.

SRX/SR Multi-Drop Multiplexer Host
Host SRX FRAD/mux used with remote SR FRAD/mux units on multi-point frame relay networks.

SPL Hub
2 to 10 port hub allows multiple multiplexers to co-exist on a single composite line

SR Data Concentrator
8 to 32 port data concentrator, Simplex or Duplex, Suitable for satellite operation. Used as a multiplexer or multi-stream data combiner, either single-ended or in pairs.

Data Broadcast Switch
8 to 32 port RS-232 data broadcast unit with reverse channels, Ideal for SCADA, paging, and machine control. This is the "mini-manual" to be used with the Access Switch main manual which covers the hardware, etc.

SPL144 Modem/Multiplexer
SPL multiplexer with built-in dial-up or leased-line modem configuration data sheet. See the main SPL manual for additional information.

SRX/SPL Multi-Drop Multiplexer Host
Host SRX used with SR and SPL on multi-drop DDS lines or radios

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DSUs & MODEMS

V.23 4-Wire Modem
A newly designed V.23 modem with full backwards V.23 sync or async compatibility on 4 wire leased lines. Newly designed in 2002, this industrial strength modem replaces older analog equipment to increase reliability and versatility. Available in rack mount or stand alone powered by various input voltages. An OEM version to embed into your equipment is also available.

V.23 Asynchronous Modem
An industrial V.23 modem with full backwards V.23 asynchronous only compatibility on 4 wire or 2 wire leased lines. Newly designed in 2002, this industrial strength modem replaces older analog equipment to increase reliability and versatility. Available in rack mount or stand alone powered by various input voltages. An OEM version to embed into your equipment is also available.

202T modem
1200Bps 202T private line modem. Stand alone or rack mount.


D- Series Modem
Industrial strength dial-up modem. 14.4, 33.6, or V.90 models in stand alone or rack mount. Powered by AC, 12, 24, or -48 Vdc

SM-56 Security Modem
The SM-56 is an industrial rated high security dial-in/out modem. It is easily configured to meet the new NERC CIP security perimeter dial-in requirements as well as other higher security modem needs. With features such as one-time passwords, AES shared key mode, and logging; it may be used as any other simple modem or configured for high security uses. See the datasheet here.

Link1 TADILB modem
1200Bps V.23 Link1 TADILB modem. Stand alone or rack mount.

PPP-DSU
Async DSU with built-in Sync PPP conversion for 1 to 4 workstations! Connect remote computers to synch dedicated lines using Windows dial-up-networking

DL-56/64 DSU/CSU
Our main-stay 56/64Kbps DSU with V.35 and RS-232 interfaces

DA-56 DSU/CSU
Asynchronous DSU with 56 Kbps network speed and asynchrounous DTE speed up to 115.2 Kbps

DL DSU/CSU
High-end Sync/Async DSU with LCD display and network management port

T-2500 T-1 Speed DSU/CSU
Basic to full-featured T1 / Fractional T1, 64 or 56XN DSU

Fiber Optic Line Driver
Two Port Fiber Optic Line Driver w/ Anti-streaming

LL 9,600 bps Fast Poll Modem
9.6Kbps Fast Poll Leased line modem V.29, LCD display

LL 14,400 bps Modem
14.4Kbps Leased line modem V.33 and V.29, LCD display

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T1- E1 - and Faster Products

Loop International Products
img Manuals for Loop International products are available by contacting your DCB sales representative. Either place a phone call ( 800-432-2638 / 217-897-6600) or use our contact form ( Click Here ) to request a Loop product manual.

T-2500 T-1 Speed DSU/CSU
Basic to full-featured T1 / Fractional T1, 64 or 56XN DSU

E-1 Extender
A genuine E1 repeater. No setup, no software; just extends the E1 demarc with reliability. For T1, see the T-extender below.

T-1 Extender
A genuine T1 repeater. No setup, no software; just extends the T1 demarc with reliability.

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REMOTE ACCESS

RS-232 Access Switch - 4 to 152 ports of remote access, supports RS-232 and remote power control with input from RS-232 port, optional ethernet or internal modem ports.

APS Remote Power Access Switch
Remote AC power control module for use with the Access Switch

RS-232 Universal Switch
Any port -to- any port version of remote access, like a RS-232 PBX system.

EtherPath®
Single Port Ethernet RS-232 Server

Single port serial server transfers RS-232 connections through an ethernet network.

SR Data Concentrator
8 to 32 port data concentrator, Simplex or Duplex, Suitable for satellite operation

Data Broadcast Switch
8 to 32 port RS-232 data broadcast unit with reverse channels, Ideal for SCADA, paging, and machine control.

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LAN PRODUCTS



Routers / Bridges


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ET Family Encrypted Tunnel Bridge
The ET bridge series products provide an encrypted Ethernet tunnel between multiple ethernet LANS. The connection between the devices may be broadband, or PPP dial-up. Industrial rated. The ET bridges all Ethernet protocols without the complexity of a full VPN install.using 128 bit AES encryption.


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EtherSeries LAN/WAN Bridge
Asynchronous WAN Ethernet bridge with one or two WAN ports, one 10/100baseT port.

IP- Series
Wan Router

IP-6600, IP-9600 WAN router. Download the manual in pdf format here.

IP-6690
Wan Router

IP-6690 WAN router. Download the manual in pdf format here.

Ethernet Extender
The Ethernet Extender is a simple, no-configuration box will extend an ethernet LAN between locations over a mile apart using plain copper telecphone wire pairs. The unit is self-configuring to maximize bandwidth depending upon the wire characteristics for up to 50 Mbps throughput. An inexpensive, simple way to bridge LANs in different buildings on a campus or down the road.



Other Ethernet Based Products


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EST-9600 Synchronous Serial Via Encrypted Ethernet
The EST-9600 is a single port synchronous HDLC serial server that tunnels any HDLC data stream via an encrypted ethernet link. Industrial rated. The EST-9600 handles the conversion of HDLC synchronous to ethernet protocols, and provides clocking signals at both ends of the circuit. The EST-9600 use 128 bit AES encryption and is available with a wide variety of power supply options..


EtherPath®
Single Port Ethernet RS-232 Server

Single port serial server transfers RS-232 connections through an ethernet network.

Other Serial
Server Products

Please check the Remote Access section for other ethernet-serial products or the SCADA section for protocol-aware ethernet-serial products.

Port Mapping
Encrypted Tunnel

Port Mapping Encrypted Tunnel. This is a multi-point tunneling device with three 10/100BaseT Ethernet interfaces. It's primary use is in large dispersed networks, where access to individual remote IP devices is required from a host site, yet strict security needs to be enforced at that host site.

EtherPath-X4®
Four Port Ethernet RS-232 Server

Four port serial server transfers RS-232 connections through an ethernet network.
PPP-SR01 Sync PPP - Async PPP converter (router eliminator)
1 Port, Sync to Async PPP conversion

PPP-DSU Sync
PPP - Async PPP converter with DSU

1 Port, Sync to Async PPP conversion with built-in DSU

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VOICE/DATA

AVA Data/Voice Multiplexer over Ethernet - The AVA-E transports telephone, analog voice, and one data port using ethernet IP LAN/WAN or serial asynchronous/synchronous connections.

AVA Data/Voice Multiplexer over Serial - The AVA transports telephone, analog voice, and one data port using synchronous or asynchronous serial connections.

SR-VM Data/Voice Multiplexer - 1 to 24 data channels, 1 to 4 voice channels over Async, Sync, Frame Relay, Wireless, or IP networks. The SR-VM is no longer available. This manual download is to assist customers currently owning this product

DV-1D Data/Voice Multiplexer
56/64Kbps DSU with dynamic bandwidth allocated to a voice channel, Async/Sync data port.

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CONVERTERS & OTHER PRODUCTS

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Converters

ASU Asynchronous Sharing Unit
4 to 32 port RS-232 Asynchronous data sharing unit, Shares data from one port to up to 32 ports, combines data coming the reverse direction. Ideal for POS devices, SCADA, paging, and machine control.

Conitel Asynchronous Adapter
Converts that old 32 bit Conitel or Racal REDAC protocol to allow transport over asynchronous 8-bit communications devices. Often used with our EtherPoll ethernet gateway to transport Conitel via ethernet. Special firmware is also available that transports 11 bit words.

MSU-6 Modem Sharing Unit
An active, six port modem sharing unit that works equally well with synchronous or asynchronous data ports.

SAC-128 Async-Sync Converter
Converts asynchronous RS-232 to Synchronous RS-232 at speeds up to 128 Kbps. Requires the DCE device to provide clocking.

BufferBox
Sync to Async converter designed to convert clocked Async data (typically downlink from a satellite) to async

HDLC-Sync to Async Converter
Converts synchronous HDLC to Asynchronous for transmission over Async links.

RRC-1 RS-232 to RS-530 Interface Converter
Converts RS-530 DTE to work with RS-232 DCE equipment.

VRC-1 RS-232 to V.35 Interface Converter
Converts V.35 DTE to work with RS-232 DCE equipment.

PPP-SR01 Sync PPP - Async PPP converter
1 Port, Sync to Async PPP conversion (router eliminator)

RS-232 to RS-422 Interface Converter - Converts RS-232 interfaces to RS-422. Uses RJ-45 connectors.



Other Products

ASU Asynchronous Sharing Unit
4 to 32 port RS-232 Asynchronous data sharing unit, Shares data from one port to up to 32 ports, combines data coming the reverse direction. Ideal for POS devices, SCADA, paging, and machine control.

SPL-DS Data Selector
2 to 14 ports, asynchronous data selector, Used to provide 1 to 14 port unit addressing on broadcast networks or multi-drop lines. Ideal for SCADA, data display applications, and machine control.

Data Broadcast Switch
8 to 32 port RS-232 data broadcast unit with reverse channels, Ideal for SCADA, paging, and machine control.

DC Input
Power Supplies


Optional power supplies with inputs of 12, 24, or 48 Vdc for most DCB equipment.

EtherPath® Single Port Ethernet RS-232 Server
A single port terminal server with the ability to have a "nailed" ethernet connection to a second unit.

OEM-56/64 56/64 Kbps DSU/CSU

OEM version of our popular 56/64 Kbps stand-alone DSU

4 Port Single-Card Embedded Multiplexer

Build our inexpensive multiplexer into your products

RS-232 to RS-422 Interface Converter
Converts RS-232 interfaces to RS-422. Uses RJ-45 connectors.


T-1 Extender
A genuine T1 repeater. No setup, no software; just extends the T1 demarc with reliability.

Rack Mount Chassis

Rack mount chassis for all dcb card-level products. Uses the PS-8 power suply.

VRC-1 RS-232 to V.35 Converter
Allows RS232 terminal equipment to work with V.35 communications equipment (DSU's, etc)

RRC-1 RS-232 to RS-530 Converter
Allows RS232 terminal equipment to work with RS-530 communications equipment (DSU's, etc)

BT-1 Bit Error Rate Tester
The test equipment we use in our lab. Couldn't find the features we needed, so we built our own unit.


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Data Comm for Business Inc.
2949 County Road 1000 E
Dewey, Il 61840
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Toll Free: 800-4-DCB-NET
Toll Free: 800-432-2638
Email: Contact Page
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EtherPath®, EtherSeries®, EtherPoll®, EtherBridge® and EtherModem® are Registered Trademarks of Data Comm for Business, Inc.