COMSPHERE 3600 Data Service Units
1-4
December 1996
3610-A2-GB43-50
Table 1-2
DSU Technical Specifications
Specifications
Criteria
APPLICATION
Full- or half-duplex data transmission via point-to-point or multipoint DDS
network, or local area data channel
COMMUNICATION LINE
Leased or private 4-wire DDS line
DATA RATES
Digital Services (DDS, ASDS)
LADS
Clear Channel
1
When timing is external (provided by the
DTE), the DTE’s clock must be within these
ranges.
2.4, 4.8, 9.6, 19.2, 38.4, 56, and 64CC kbps
2.4, 4.8, 9.6, 19.2, 38.4, 56, and 64 kbps
64 kbps (on a 72 kbps circuit) with the
64KScrambling configuration option
enabled
64CC 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
DDS NETWORK INTERFACE
3610 DSU
3611 DSU
8-pin modular jack
USOC RJ48S
(One or two) 50-pin connector
USOC RJ48T
DIAGNOSTIC INTERFACE
3610 DSU
3611 DSU
Requires 3600 Hubbing Device which provides two 8-pin modular jacks
Via the SDU in the COMSPHERE 3000 Series Carrier or DC-OUT via NMS
adapter cable (for a tributary in the carrier)
NETWORK COMPATIBILITY
ANSI T1.410 – 1992 and
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
2.4, 4.8, 9.6, 56, and 64 kbps
19.2 kbps loop at levels of + 6, 0, or –10 dBm
DSU COMPATIBILITY
Primary Channel
Diagnostic Channel
Point-to-Point or Multipoint:
Point-to-Point Only:
All Paradyne digital products and other products that are compliant with
AT&T Technical Reference 62310 – 1987
3600 Series — enhanced 3600 diagnostics (nondisruptive or
disruptive)
3500 Series — 2600 diagnostics
2600 Series — 2600 diagnostics
2500 Series — 2500 loopbacks
1
If a 3600 Series DSU is not used on both ends of the circuit or if the scrambler configuration option (64KScrambling) is
not enabled, the customer’s DTE must provide for the primary data’s ones (1s) density.