Introduction
1-35
3610-A2-GB91-90
July 1999
Table 1-11
4-Wire Switched 56 DBM or DBM-S Technical Specifications
Specifications
Criteria
APPLICATION
Full- or half-duplex data transmission via 56 kbps switched
services compatible with AT&T, MCI
r
, and US SPRINT
r
using
4-wire switched access to a local exchange carrier (LEC) or an
inter-exchange carrier (IEC).
COMMUNICATION LINE
A dedicated 4-wire access or a local exchange carrier 4-wire
switched access.
DATA RATES
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.)
DBM COMPATIBILITY
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.
SWITCHED 56 KBPS
NETWORK INTERFACE
3610 DSU
3611 DSU
8-pin modular jack, USOC SJA56
(One or two) 50-pin connectors, USOC SJA57
NETWORK COMPATIBILITY
AT&T Technical References 41458 and 61330
Содержание COMSPHERE 3610
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