V.35 interface, Figure 3-2. v.24 cable wiring – Interphase Tech iSPAN User Manual

Page 45

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Chapter 3: Connecting to the Line

iSPAN Serial WAN Adapter Users Guide

25

Figure 3-2. V.24 Cable Wiring

V.35 Interface

The following specifications describe the V.35 interface:

• Electrical

levels: V.35 (+/0.3V differential) for data

and clocks, V.28 (+/-12V single-ended) for other
modem signals

• Maximum

data

rate: 2 Mbps (card limitation)

• Maximum

cable

length: 100 feet (at 2 Mbps)

• DCE standard connector: ISO2593

Adapter

side

DCE
side

Male DB25

connector

ISO2110

Male DB25

connector

Drain wire

Braid

2

3

4

5

6

7

8

15

17

20

22

24

1

2

3

4

5

6

7

8

15

17

20

22

24

1

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