Owner`s manual

57
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