Multi-tech-systems MT56DSU-S Uživatelský manuál stáhnout pdf (Strana 32)

Appendix

DB25S Connector

13 12 11 10 9 8 7 6 5 4 3 2 1

25 24 23 22 21 20 19 18 17 16 15 14

Figure B-2. Connector

DESCRIPTION

This connector ties the MT56DSU-S to the DTE. The DB25S connector has the following pinout

configuration.

PIN IDENTIFICATION

Pin Description Signal

1 Chassis Ground

2 Transmit Data SD

3 Received Data RD

4 Request To Send RTS

5 Clear To Send CTS

6 Data Set Ready DSR

7 Signal Ground SG

8 Carrier Detect CD

15 Transmit Clock TC

17 Receive Clock RC

20 Data Terminal Ready DTR

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 38

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Multi-tech-systems MT56DSU-S Uživatelský manuál Strana 32