User`s guide

B-5
DB25-to-DC-37 (RS449) DTE Connector Pin Assignments
The pin assignments for the DB25-to-DC-37 (RS449) data port
connector are listed below in Table B-5.
Table B-5 DB25 to DC-37 (RS449) DTE Connector Pin Assignments
DC-37 (RS449) DB25 Signal Name Signal
17 24 TT A To DTE
35 11 TT B To DTE
7 4 RS A From DTE
25 19 RS B From DTE
24 16 RD B To DTE
6 3 RD A To DTE
22 14 SD B From DTE
4 2 SD A From DTE
11 6 DM A To DTE
29 22 DM B To DTE
27 13 CS B To DTE
9 5 DM A To DTE
13 8 RR A To DTE
31 10 RR B To DTE
26 9 RT B To DTE
8 17 RT A To DTE
5 15 SCT A To DTE
23 12 SCT B To DTE
19 7 Signal Ground
1 NC Frame Ground From DTE
18 25 TM To DTE