Paradyne 317x E1 Technical Specifications B, 1 of, Criteria, Overview, Table B-1, And Dissipation

Models: 317x E1

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Technical Specifications B

Technical Specifications B

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1

Overview

The technical specifications for the Models 3172 and 3174 DSU/CSUs are listed in Table B-1.

 

Table B-1

 

(1 of 2)

Models 3172/3174 DSU/CSUs Technical Specifications

 

 

Specifications

Criteria

 

 

POWER REQUIREMENTS

 

Typical:

 

AC Power Module

Refer to the labeling on the ac power module for input requirements

Optional:

 

+24 Vdc

+20 Vdc to +32 Vdc, 0.50A

±48 Vdc

±38 Vdc to ±60 Vdc, 0.25A

±48 Vdc Redundant

±38 Vdc to ±60 Vdc, 0.25A

 

 

POWER CONSUMPTION

16.0 watts, 55.0 Btu per hour at 115 volts (ac power); 12.0 watts, 41 Btu per hour

AND DISSIPATION

at +24 and ±48 Vdc (dc power)

 

 

DTE Drop/Insert INTERFACE

 

Physical Interface

DB15 socket for 120 ohm twisted pair (balanced)

Framing Format

CRC-4, non-CRC-4

Coding Format

AMI, HDB3

 

 

NETWORK E1 INTERFACE

 

Physical Interface

BNC pair for 75 ohm coaxial cables (unbalanced) or

 

RJ48C for 120 ohm twisted pair (balanced)

Framing Format

CRC-4, non-CRC-4

Coding Format

HDB3

Signal Recovery Capability

43 dB of cable attenuation at 1024 kHz

Typical Drive Distances:

 

75 ohm, coaxial cable

3.4 km

120 ohm, 22 AWG (0.6 mm)

2.3 km

120 ohm, 24 AWG (0.5 mm)

1.8 km

120 ohm, 26 AWG (0.4 mm)

1.5 km

 

 

3170-A2-GB20-20

December 1996

B-1

Page 86
Image 86
Paradyne 317x E1 Technical Specifications B, 1 of, Models 3172/3174 DSU/CSUs Technical Specifications, Criteria, Overview