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Appendixes

RS-232C DB25S CONNECTOR

Figure C-2. RS-232 Connection

DESCRIPTION

This connector ties the MultiDSU64K to the DTE. The DB25S

connector has the following pinout configuration.

PIN IDENTIFICATION

Pin Description Circuit Source Function

2 Transmit Data SD DTE Transmitted Data

3 Received Data RD DCE Received Data

4 Request to Send RTS DTE Request to Send

5 Clear To Send CTS DCE Clear to Send

6 Data Set Ready DSR DCE Data Set Ready

7 Signal Ground SG -- Signal Ground

8 Carrier Detect CD DCE Carrier Detect

9 Test Voltage +V DCE Test Voltage

15 Transmit Clock TC DCE Transmit Clock

17 Receive Clock RC DCE Receive Clock

24 Transmitter Timing XTC DTE External

Transmit Clock

1 2 ... 52 53 54 55 56 57 58 59 60 61 62 ... 65 66

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Multitech MT64DSU Bedienungshandbuch Seite 57