COMSPHERE 3550 Series Data Service Units

 

Table 1-1

 

(1 of 2)

General Technical Specifications

 

 

 

 

Specifications

 

 

Criteria

 

 

 

 

APPROVALS

 

 

 

FCC Part 15

Class A digital device

FCC Part 68

AW292J-61661-DD-N

UL

 

 

 

3550 DSU

Listed U L 1950, second edition

3551 DSU, 3000 Series Carrier

Recognized Component UL 1950, second edition

CSA

 

 

 

Safety

 

 

 

3550 DSU

Certified CSA 22.2, No. 950-M89

3551 DSU, 3000 Series Carrier

Certified Component CSA 22.2, No. 950-M89

Emissions

CSA 108.8 ± M1983, Class A digital apparatus

Bell Canada

ªDCTE Specifications,º July 1989, Issue 1

 

 

 

 

AC POWER REQUIREMENTS

 

 

 

3550 DSU

24 Vac (CT), 60 Hz +3 (0.093 amp, 5.8 watts at 115 Vac)

3550 DSU with DBM

24 Vac (CT), 60 HZ ± 3 (0.115 amp, 9.5 watts at 115 Vac)

3550 DSU with 2-Port TDM/Flex

24 Vac (CT), 60 Hz +3 (0.103 amp, 8.6 watts at 115 Vac)

3551 DSU

24 Vac (CT), 60 Hz +3 (0.029 amp, 4.5 watts at 115 Vac)

3551 DSU with DBM

24 Vac (CT), 60 Hz +3 (0.080 amp, 8.0 watts at 115 Vac)

V.32 DBM

24 Vac (CT), 60 Hz +3 (0.024 amp, 2.0 watts at 115 Vac)

3000 Series Carrier (16 DSUs with DBMs

90Ð132 Vac, 60 Hz + 3 (1.650 amp, 165 watts at 115 Vac)

plus SDU and fan module)

 

 

 

 

 

 

 

DTE INTERFACE

 

 

 

3550 DSU

 

 

 

25-pin D-subminiature connector

EIA-232-D/CCITT V.24 (ISO 2110)

34-pin connector

CCITT V.35 (ISO 2593)

3551 DSU with

EIA-232-D/CCITT V.24 (ISO 2110)

25-Pin V.35 Interface

CCITT V.35 (ISO 2593)

Uses a Rear Connector Plate with two

(A V.35 Interconnect Cable is required to use the V.35 connector. The

25-pin D-subminiature connectors.

cable provides an interface between the DSU's 25-pin D-type connector

 

and the DTE cable's V.35 connector.)

 

 

 

 

ENVIRONMENT

 

 

 

Operating Temperature

32° to 122° F (0° to 50° C)

Storage Temperature

±4° to 158° F (±20° to 70° C)

Relative Humidity

5%Ð95% (noncondensing)

Shock and Vibration

Withstands normal shipping and handling

 

 

 

 

1-4

December 1996

3550-A2-GB20-20

Page 17
Image 17
Paradyne 3551 manual Specifications Criteria, Csa