Bay Networks BayStack ARN Routers none Installation And Operating Manual page 129

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Table C-7 shows the signal and pin assignments for these connectors.
Table C-7. Serial Interface Pin Assignments
Pin Assignment
Pin 15
Pin 30
Pin 44
114200 Rev. A
RS-232 connections
RS-530 connections
Order No. 7826
Order No. AE0018012
Pin No. Signal Name
1 FGND
2 SD+
3 RD+
4 RTS+
5 CTS+
6 DSR+
Pin 1
7 SGND
Pin 16
8 DTR+
Pin 31
9 DCD+
10 ST+
11 RT+
12 TT+
13 RTIN#
14 CTS#
15 RTS#
16 SD-
17 RD-
18 RTS-
19 CTS-
20 DSR-
21 NC
22 DTR-
Technical Specifications
Pin No. Signal Name
23 DCD-
24 ST-
25 RT-
26 TT-
27 NC
28 RTIN#B
29 CTSIN#
30 ST#
31 VST-
32 VST+
33 VRT-
34 VRT+
35 VRD-
36 VSD-
37 VRD+
38 VSD+
39 VTT-
40 VTT+
41 UNBE
42 V35D
43 GND
44 SNDC
C-9