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1-13160-A2-GB21-50 January 1997
Introduction
Overview 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Features 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTE Drop/Insert (DSX-1) Interface 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Alarm Message Capability 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Panel Emulation 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Integral Modem 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Async Terminal Interface Support 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Telnet Access 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SNMP Management Support 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Physical Description 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Standalone DSU/CSU Front Panel 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Standalone DSU/CSU Rear Panel 1-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overview
The DSU/CSU acts as an interface between the T1
digital network and the customer premises equipment,
converting signals received from the DTE (Data Terminal
Equipment) to bipolar signals that can be transmitted over
T1 lines. Typical applications include shared access to
network-based services, Local Area Network (LAN)/Wide
Area Network (WAN) interconnection, and fractional T1
network applications.
In addition to the T1 network interface and the DTE
Drop/Insert (DSX-1) interface, the Model 3160 provides
two synchronous data ports while the Model 3164
provides four synchronous data ports. The Model 3165
provides one synchronous data port, but does not provide
the DTE Drop/Insert (DSX-1) interface.
The Model 3161 (carrier-mounted DSU/CSU) provides
two ports in addition to the DTE Drop/Insert (DSX-1)
interface and is designed to fit into the COMSPHERE
3000 Series Carrier.
For more information about the carrier-mounted
DSU/CSU, refer to the ACCULINK 3151 CSU and 3161
DSU/CSU General Information Guide and the
COMSPHERE 3000 Series Carrier Installation Manual.
Features
The DSU/CSU optimizes network performance with a
wide range of features such as the following:
• Software configuration menu displayed via a liquid
crystal display (LCD) to permit quick and easy
operation, and elimination of complicated hardware
strapping.
• Local or remote configuration and operation
flexibility.
• Several loopback capabilities and test pattern
generators.
• DTE Drop/Insert (DSX-1) capability.
• Alarm message display/print capability.
• Front panel emulation via Windows-based Front
Panel Emulation software.
• Integral modem for standalone DSU/CSUs.
• Asynchronous (async) terminal interface support.
• Telnet access for remote async terminal operations.
• Network management provided through
industry-standard Simple Network Management
Protocol (SNMP).
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