4-Wire Switched 56 DBM or DBM-S Technical Specifications
Specifications
APPLICATION
COMMUNICATION LINE
DATA RATES
DBM COMPATIBILITY
SWITCHED 56 KBPS
NETWORK INTERFACE
3610 DSU
3611 DSU
NETWORK COMPATIBILITY
3610-A2-GB91-90
Table 1-11
Full- or half-duplex data transmission via 56 kbps switched
services compatible with AT&T, MCIr, and US SPRINTr using
4-wire switched access to a local exchange carrier (LEC) or an
inter-exchange carrier (IEC).
A dedicated 4-wire access or a local exchange carrier 4-wire
switched access.
56 kbps (Note that the 4-wire Switched 56 DBM or DBM-S uses
proprietary rate adaption to support data rates of less than
56 kbps.)
If Call Setup is set for Callback or Password security, then the
device is compatible with a 3600 Series Switched 56 DBM only.
If Call Setup is set for Alarm or None, then any Switched
56 kbps terminal interface unit (TIU) can be used.
8-pin modular jack, USOC SJA56
(One or two) 50-pin connectors, USOC SJA57
AT&T Technical References 41458 and 61330
July 1999
Criteria
Introduction
1-35