V.29 Multi-Drop Modem Model - LL-9.6FP

9600 bps V.29 / Fast Poll Multidrop, Multipoint Synchronous and Asynchronous modem

  • Multidrop (multipoint) or Point-to-Point
  • 4-wire unconditional leased line operation in asynchronous or synchronous mode
  • 2-wire unconditional leased line operation in asynchronous mode
  • Synchronous or asynchronous
  • LCD display
  • Network Management port
  • Rack mounts in DCB MR-8
  • Addressable remote diagnostics

FEATURES
DESCRIPTION
SPECIFICATIONS

General
Indicators (front panel)
Controls
Telco
Data Port
Network Management
Front Panel and Network Management Port Commands
Additional Commands in Network Management Port
Physical/Electrical

APPLICATION

Download the Manual

HOW TO ORDER

FEATURES

DESCRIPTION

The DCB LL 9.6 FP modem is a full featured fast poll leased line modem with the best price/benefit ratio in the industry. The LL 9.6 FP modem operates over either two wire or four wire unconditioned leased lines at 9600 bps synchronous or asynchronous. It is an excellent choice for multi-point and point-to-point applications with polled terminal devices.

An LCD front panel or the Network Management Port is used to configure the local modem or perform line diagnostics including the V.54 loopbacks. In addition, the Network Management Port can be used to configure the remote mode.

The LCD front panel is used to set-up the following parameters for the local modem:
Modem Rate
Modem Address
RTS/CTS Delay
RTS Holdover
RTS Stream
RTS Control
Transmit Carrier
Transmit Clock Source
Synchronous or Asynchronous
Receive Level
Transmit Level
Transmit Data Clamp
Line Type
In addition, the LCD front panel can initiate the following diagnostic tests:
Line Test
Digital Loopback
Analog Loopback
Remote Digital Loopback
Send 1004 Hz tone
Remote send 1004 Hz tone
The LCD front panel continuously updates and displays the receive level. This is the most useful information when diagnosing line troubles with the telephone company.

The Network Management Port is accessed through a 9-pin RS-232-D asynchronous port on the rear panel. It can access all of the set-up and diagnostic tests available through the LCD front panel and be used to configure the remote modem and measure the remote receive level.

This is a minimum stock product and it may be built-to-order. Please call for availability and lead time.

SPECIFICATIONS

General
Rate: 9600 bps
Fallback rates: 7200 and 4800 bps
Application: Multi-point or point-to-point
Facility: two or Four wire leased lines
Mode: Full Duplex
Signaling: Fast train mode for multidrop, CCITT V.29, Automatic Adaptive Equalization, 2400 baud, QAM modulation, 1700 Hz carrier frequency
Timing: Synchronous or Asynchronous 22 ms RTS/CTS delay
Indicators (front panel)
Power, Transmit Data, Receive Data, Carrier Detect, and Clear to Send
16 character by 2 line LCD display for configuration and testing
Controls
Front panel push buttons for Next, ->, INCR, OK, RESET
Telco
Interface: Four wire lease line
Connector: RJ11-C
Data Port
Interface: RS-232-D, V.24
Connector: DB25 female
Timing: Synchronous or Asynchronous
Network Management
Interface: RS-232-D, V.24
Connector: DE-9 female
Timing: Asynchronous
Front Panel and Network Management Port Commands
Rate: 9600, 7200 or 4800 bps
Sync/Async
Transmit timing: Internal, External or Slave
Receive level: -26 or -43 dBm
Transmit level: 0 to -15 dBm
RTS control: Forced on or from interface
Transmit Data Clamp: On or off
Line Type: 2 wire or 4 wire
Test line
Digital loopback
Local analog loopback
Remote digital loopback
Send 1004 Hz tone
Remote send 1004 Hz tone
Additional Commands in Network Management Port
Local and remote Show Config
Remote modem Type
Local and remote Set ID
Remote Measure Level
Physical/Electrical
Power requirements: Standard Power Supply:120 VAC, 30 Watts
Optional Power Supplies available
10 1/4" x 9 3/4" x 2 1/4"
Temperature: -40 to +75 C, Less than 95% non-condensing humidity

Rear view of DCB LL 9.6 FP Modem

APPLICATION


How to Order

This is a minimum stock product and it may be built-to-order. Please call for availability and lead time.

PRICING:

LL 9.6FP Sync or Async 9.6Kbps Fast Poll, w/ Network Mgmnt Port $1950
RK-8/16 Rack Mount Shelf $ 60
Various See Power Supply Datasheet
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