Verilink PRISM 3030 (34-00208.L) Product Manual - Manual (Page 93)

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Table A-8 EIA-530 to RS-449 Pin Assignments
DB-25
Male Pin #
Signal Name
DB-37
Pin #
1 Shield Ground 1
2 Send Data (A) 4
14 Send Data (B) 22
3 Receive Data (A) 6
16 Receive Data (B) 24
4 Request to Send (A) 7
19 Request to Send (B) 25
5 Clear to Send (A) 9
13 Clear to Send (B) 27
6 Data Mode (A) 11
22 Data Mode (B) 29
8 Receiver Ready (A) 13
10 Receiver Ready (B) 31
15 Send Timing (A) 5
12 Send Timing (B) 23
17 Receive Timing (A) 8
9 Receive Timing (B) 26
20 Terminal Ready (A) 12
23 Terminal Ready (B) 30
24 Terminal Timing (A) 17
11 Terminal Timing (B) 35
7 Signal Ground 19
Figure A-4 DB-37 Connector
1 19
37 20