Dsu Technical Specifications - Paradyne COMSPHERE 3550 Series User Manual

COMSPHERE 3550 Series Data Service Units
Specifications
APPLICATION
COMMUNICATION LINE
DATA RATES
Digital Services (DDS, ASDS)
LADS
When timing is external (provided by the
DTE), the DTE's clock must be within these
ranges.
DDS NETWORK INTERFACE
3550 DSU
3551 DSU
DIAGNOSTIC INTERFACE
3550 DSU
3551 DSU
NETWORK COMPATIBILITY
AT&T Technical Reference 62310 – 1987
Integrated Network Corporation
Compatibility Bulletin CB-INC-101, and
Pacific Bell publications
PUB L-780035-PB/NB and
PUB L-780036-PB/NB
DSU COMPATIBILITY
Primary Channel
1-6
Table 1-2

DSU Technical Specifications

Full- or half-duplex data transmission via point-to-point or multipoint
DDS network, or local area data channel
Leased or private 4-wire DDS line
2.4, 4.8, 9.6, 19.2, 38.4, and 56 kbps
2.4, 4.8, 9.6, 19.2, 38.4, 56, and 64 kbps
64 kbps " 11 bps
56 kbps " 9 bps
38.4 kbps " 4 bps
19.2 kbps " 5 bps
9.6 kbps " 1 bps
4.8 kbps " 0 bps
2.4 kbps " 0 bps
8-pin modular jack, USOC RJ48S
(One or two) 50-pin connector, USOC RJ48T
Requires 3600 Series Hubbing Device which provides
two 8-pin modular jacks
Via the SDU in the COMSPHEREr 3000 Series Carrier
2.4, 4.8, 9.6, and 56 kbps
19.2 kbps loop at levels of + 6, 0, or –10 dBm
All Paradyne digital products and other products that are compliant with
AT&T Technical Reference 62310 – 1987
July 1999
Criteria
3550-A2-GB20-40