Paradyne 3160 Operator's Manual page 206

Pin Assignments
D-10
Table D-8. RS-449 Cable Interface
Circuit
Signal
Mnemonic
Shield —
Signal Ground SG
Receive Ground RC
Send Common SC
Send Data SD
Receive Data RD
Request-to-Send RS
Clear-to-Send CS
Receiver Ready RR
Data Mode DM
Terminal Ready TR
Terminal Timing TT
Send Timing ST
Receive Timing RT
Local Loopback LL
Remote Loopback RL
Test Mode TM
March 1999
ITU-T
Direction
Number
— —
102A —
102B —
— —
103 To DSU/CSU
104 From
DSU/CSU
105 To DSU/CSU
106 From
DSU/CSU
109 From
DSU/CSU
107 From
DSU/CSU
108/1, /2 To DSU/CSU
113 To DSU/CSU
114 From
DSU/CSU
115 From
DSU/CSU
141 To DSU/CSU
140 To DSU/CSU
142 From
DSU/CSU
Pin
1
19
20
37
4 (A)
22 (B)
6 (A)
24 (B)
7 (A)
25 (B)
9 (A)
27 (B)
13 (A)
31 (B)
11 (A)
29 (B)
12 (A)
30 (B)
17 (A)
35 (B)
5 (A)
23 (B)
8 (A)
26 (B)
10
14
18
3160-A2-GB21-80