Introduction
1-37
3610-A2-GB91-90
July 1999
Table 1-14
TDM Technical Specifications
Specifications
1
Criteria
APPLICATION
Multiplexing
Digital sharing
FEP port sharing
Digital Bridge
Provides time division multiplexing of up to two or six
independent ports, depending on 2-port or 6-port version.
Allows two groups of consecutive ports to share the same TDM
channel.
Provides up to three separate FEP port-sharing groups.
Configured to perform a 5-port digital bridge capability.
PORT SYNCHRONOUS RATES
1.2, 2.0, 2.4, 4.0, 4.4, 4.8, 7.2, 8.4, 9.2, 9.6, 12.0, 14.4, 16.8,
18.0, 18.8, 19.2, 28.8, 32, 38.4, 48, 56, and 64 kbps
PORT ASYNCHRONOUS RATES
150, 300, 600, 1200, and 1800 bps plus all primary (DSU)
rates. Asynchronous rates s2.3, –2.5 percent
overspeed/underspeed compensation.
PORT DTE INTERFACE
3610 DSU (2-port TDM)
Provides an additional 25-pin D-subminiature connector for a
total of two EIA-232 or V.35 interfaces that can be set
independently when DSU firmware is Release 6.24 or greater
and TDM firmware is Release 5.C or greater.
3610 DSU (6-port TDM)
Provides five additional 25-pin D-subminiature connectors for a
total of six EIA-232 or V.35 interfaces that can be set
independently of each other when DSU firmware is
Release 6.24 or greater and TDM firmware is Release 5.C or
greater.
3610 DSU (TDM/DSD)
Provides five additional 25-pin D-subminiature connectors that
can be optioned for EIA-232 or V.35, for a total of six EIA-232
or six V.35 interfaces.
3611 DSU (non-modular)
Provides one 60-pin high-density D-type connector that
provides five additional EIA-232 interfaces through an adapter
cable.
3611 DSU (modular)
Provides a 6-port connector module that provides a total of six
25-pin D-subminiature EIA-232 connections (including the
DSU). In addition, a 26-pin high-density D-type connector
provides a V.35 interface through an adapter cable.
NMS SUPPORT
TDM capability is fully supported by COMSPHERE 6700
Series NMS, Release 4.0 or greater, or 6800 Series NMS,
Release 4.1.5 or greater in ADp and DATAPHONE II modes.
1
TDM and MCMP circuit cards can be configured to provide TDM capability.
Summary of Contents for COMSPHERE 3610
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