Paradyne ACCULINK 316x, Operator'S Manual

Page: 174 / 211

ACCULINK 316x DSU/CSU
D-10 December 1996 3160-A2-GB22-10
RS449 Port Interface
Connector
The RS449 Port Interface connector information is
shown in Table D-8 and Figure D-7.
Table D-8
RS449 Port Interface Connector
Signal
Circuit
Mnemonic
CCITT
Number
Direction Pin
Shield — — — 1
Signal Ground SG 102A — 19
Receive Ground RC 102B — 20
Send Common SC — — 37
Send Data SD 103 To DCE 4 (A)
22 (B)
Receive Data RD 104 From DCE 6 (A)
24 (B)
Request-to-Send RS 105 To DCE 7 (A)
25 (B)
Clear-to-Send CS 106 From DCE 9 (A)
27 (B)
Receiver Ready RR 109 From DCE 13 (A)
31 (B)
Data Mode DM 107 From DCE 11 (A)
29 (B)
Terminal Ready TR 108/1, /2 To DCE 12 (A)
30 (B)
Terminal Timing TT 113 To DCE 17 (A)
35 (B)
Send Timing ST 114 From DCE 5 (A)
23 (B)
Receive Timing RT 115 From DCE 8 (A)
26 (B)
Local Loopback LL 141 To DCE 10
Remote Loopback RL 140 To DCE 14
Test Mode TM 142 From DCE 18