Specifications

C-30

Reference Guide

Model No.

Running Head

C.4.3 HSU 35 Card (8212)

C.4.3.1 HSU 35 Card External Connectors and Pinouts

The HSU 35 Card has two DB-25 jacks for V.35 connections to the external CPE. Figure C-24

shows these jacks, previous Figure C-24 shows their pin locations, and Table C-21 lists the

signal pinouts.

Figure C-24. HSU 35 Card Jack Pin Orientation

Table C-21. HSU 35 Card Jack Signal Pinouts

Pin Function DCE Mode DTE Mode

1 Cable Shield --- ---

4 RTS Input Input

5 CTS Output Input

6 DSR Output Output

7 Signal Ground --- ---

8 RLSD Output Output

9 SD B Input Input

10 SD A Input Input

11 SCTE B Input Input

12 SCTE A Input Input

13 RD B Output Output

14 RD A Output Output

17 SCR B Output Input

18 SCR A Output Input

24 SCT B Output Output

25 SCT A Output Output

Pin 13

Pin 1

Pin 25

Pin 14