About Your DSU

 

 

Table 1-1

 

 

(2 of 2)

 

General Technical Specifications

 

 

 

 

Specifications

Criteria

 

 

HEAT DISSIPATION (MAX.) AT 115 VAC

 

3550

DSU

22.16 Btu/hr

3550

DSU with DBM

29.00 Btu/hr

3550 DSU with 2-Port TDM/Flex

29.21 Btu/hr

3551

DSU

22.16 Btu/hr

3551

DSU with DBM

27.30 Btu/hr

3000

Series Carrier (16 DSUs with DBMs

563.00 Btu/hr

plus SDU and fan module)

 

 

 

PORT RATES

Async or Sync rates: 64, 56, 48, 19.2, 14.4, 12.0, 9.6, 4.8, 2.4, and

 

 

1.2 kbps

 

 

Other asynchronous rates (e.g., 150, 300, 600, and 1800 bps) can be

 

 

obtained through oversampling

 

 

Asynchronous rates support CCITT V.14 extended rate range at

 

 

8 to 12 bits per character, including the start and stop bit (+2.3, ±2.5

 

 

percent overspeed/underspeed compensation at 10 bits per character)

 

 

NMS COMPATIBILITY

COMSPHEREr 6700 Series NMS, Release 4.0 or greater

 

 

 

3550-A2-GB20-20

December 1996

1-5

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Image 18
Paradyne 3551 manual Heat Dissipation MAX. AT 115 VAC, Dsu