SPL 2-14 Statistical Multiplexer

SPL products were replaced with the SR multiplexer product line. While we can still provide SPL units as replacements and extensions of existing installations, new projects should use our newer SR statistical multiplexers. Click here for information.


2 Port Model SPL-02	8/10/12/14 Port Model SPL08,SPL10,SPL12,SPL14

FEATURES
DESCRIPTION
SPECIFICATIONS

General
Port Specifications
Network Specifications
Operating Modes
Indicators (front panel)
Network Management Port
Network Management Port Commands
Physical/Electrical

How To Order

FEATURES

Individually configured asynchronous ports
Port speeds to 38,400 bps
Network speeds to 64 Kbps
Network Management Port
Remote set up and testing
Composite is full duplex synchronous or asynchronous
2 to 14 channels
"Copy Command" for remote training
"Data Scope" functions to allow monitoring of any data port
May be used with dial-up modems which perform error correction and/or data compression

The SPL series of statistical multiplexers are available with 2 to 14 channels in 2 channel increments. All port parameters are set either with an asynchronous terminal or with DIP switches and are battery maintained. The network management port provides local and remote unit setup, system statistics, local and remote testing, an online manual and the ability to do remote system training.

The SPL offers 64 Kbps synchronous network capability as a standard feature. Speeds of up to 38.4 Kbps are supported for asynchronous network installations.

"Copy" simultaneously connects the network management port and a remote port to the same computer port. "Copy" is used to train new remote users and perform remote application support with a significant cost savings.

The SPL is the only multiplexer designed to be used in either dial or leased line applications. Using dial modems, any terminal connected to the SPL may autodial the modem. After the dial call is completed to a site with another SPL, all terminals will be active. If the other site does not have an SPL, only the dialing terminal will be active. This feature allows a user connected to an SPL to call a site without a multiplexer. Error correction in the SPL may be disabled for use with error correction/data compression modems with speeds up to 38.4 Kbps. A disconnect timeout can be set to disconnect the dial call after a period of inactivity on all ports.

A 15 character ID can be set to assist in circuit identification. Any port, local or remote, can be captured. With the built-in "Data Scope" function a user can monitor the transmit or receive of any data port. Network and individual port loopbacks are available. Statistics include activity counters and a flow control report. The last reset and last zero of activity counters are date and time stamped by the on-board real time clock/ calendar.

Hardware and Xon/Xoff flow control are selectable on a port-by-port basis. The SPL multiplexers perform speed and/or flow control conversion. Different port rates and/or flow control options may be set at each end.

SPECIFICATIONS

General

Asynchronous Statistical Multiplexing
2 to 14 channels
Aggregate Input Speed: To 268,800 bps

Port Specifications

Data Format
1 Start bit
1 Stop bit
10 Bits total
8 Data bits including parity if used
Rates: 300, 1200, 1800, 2400, 4800, 9600, 19200, 38400 bps individually selectable
Interface: CCITT V.24, RS-232-D
Connectors: DB-25 female
Buffering: 64K dynamically allocated
Flow Control: Set on an individual port basis
Xon/Xoff
Clear to Send
Busy High
Busy Low
Auto Dial: Control of asynchronous auto dialing through all ports

Network Specifications

Rates (asynchronous): 300, 1200, 1800, 2400, 4800, 9600, 19200, or 38400 bps
Rates (synchronous): Follows modem clock signals to 64 Kbps
Interface: CCITT V.24, RS- 232-D
Connector: DB-25 male
Error Correction: Automatic retransmission

Operating Modes

Normal on-line multiplexing
Network loopback
Dial-through-terminal dialing
Bypass-connection to unmultiplexed modem

Indicators (front panel)

Power, Transmit Condition, Receive Error, Multiplexing & Test
Port Transmit & Receive Data, Port Error, Port Loopback, Buffer Overflow & Switch/memory configuration differ

Network Management Port

Interface: CCITT V.24, RS-232-D
Connector: DE-9 female
Can be mapped to Port 1

Network Management Port Commands

Help Screen
Help Network
Help Ports
Executive Parity
Remote Test Loop
Monitor Transmit
Monitor Receive
Network Loopback
Flow Control Active
Disconnect Timeout
Set Time

LOCAL & REMOTE:
Show Configuration
Show Network
Configure Ports
Device Type
Set ID
Reset
Capture Port
Copy Command
Test Message
Activity Counters

Physical/Electrical

Power requirements: 120 VAC, 30-43 Watts, .25-.36 Amps
10 1/4" x 9 3/4" x 2 1/4" (2-6 channels)
10 1/4" x 9 3/4" x 4 1/2" (8-14 channels)

Rear view of 6 channel DCB SPL Multiplexer

APPLICATION

How to Order

HOST or REMOTE:

SPL-02	2 Port Host or Remote Multiplexer	$795
SPL-04	4 Port Host or Remote Multiplexer	$ 1,195
SPL-06	6 Port Host or Remote Multiplexer	$ 1,495
SPL-08	8 Port Host or Remote Multiplexer	$ 1,995
SPL-10	10 Port Host or Remote Multiplexer	$ 2,295
SPL-12	12 Port Host or Remote Multiplexer	$ 2,695
SPL-14	14 Port Host or Remote Multiplexer	$ 2,995

Above Prices include Point-to-Point firmware.

SPL-MD

Remote multidrop firmware option

$500



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