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Table 53. Two-port communications adapter cable wiring (continued)
50-pin connector Port 1 DTE connector number Port 2 DTE connector number
47 Not Used 1
48 Not Used 10
49 Not Used 12
50 Not Used 13
RJ-45 cable wrap connector
Table 54. RJ-45 cable wrap connector
Description
Wrap connector pin to
pin
+RCV_TE DRIVER (+DATA_OUT TO +XMIT_TE DSHL (+DATA_IN) 3 to 4
-XMIT_TE DSHL(-DATA_IN) TO -RCV_TE DRIVER (-DATA_OUT) 5 to 6
(Positions 1,2,7,8 not used)
V.24 communications adapter remote power-on cable
Table 55. V.24 communications adapter remote power-on cable
Signal designation Interchange circuit number
Adapter connector pin
number
DCE connector pin
number
Transmitted data 103 2 2
Received data 104 3 3
Request to send (RTS) 105 4 4
Ready for sending (CTS) 106 5 5
Data set ready (DSR) 107 6 6
Data terminal
ready/connect data set to
line
108/2 108/1 24 20
Received line signal
(carrier) detector
109 8 8
Data signal rate selector
(DTE source)
111 43 23
Transmitter signal element
timing (DTE)
113 11 24
Transmitter signal element
timing (DCE)
114 19 15
Receiver signal element
timing (DCE)
115 21 17
Select standby
3
116 29 11
Calling indicator
4
125 27, E1 22
Remote loopback 140 25 21
Local loopback 141 22 18
Test indicator 142 12 25
Cable ID 1, common return 102 7,16,17,33 7
Chapter 9. System Architecture and Configuration 251