Snell & Wilcox SD1012, Installation Manual

Page: 41 / 53

S&W Production & Post Production SD1012 Installation Manual - Issue 6, Rev 1 Page 33
CONNECTOR PINOUTS - continued
Switcher GPIs / GPOs
25 Way D-type connectors - switcher mainframe rear panel
Tally 1-12 Tally 13-24 Tally 25-32 & GPI 1-8
Pin Signal Pin Signal Pin Signal
1 GPO 1a 1 GPO 13a 1 GPO 25a
2 GPO 2a 2 GPO 14a 2 GPO 26a
3 GPO 3a 3 GPO 15a 3 GPO 27a
4 GPO 4a 4 GPO 16a 4 GPO 28a
5 GPO 5a 5 GPO 17a 5 GPO 29a
6 GPO 6a 6 GPO 18a 6 GPO 30a
7 GPO 7a 7 GPO 19a 7 GPO 31a
8 GPO 8a 8 GPO 20a 8 GPO 32a
9 GPO 9a 9 GPO 21a 9 GPI 1
10 GPO 10a 10 GPO 22a 10 GPI 3
11 GPO 11a 11 GPO 23a 11 GPI 5
12 GPO 12a 12 GPO 24a 12 GPI 7
13 n/c 13 n/c 13 GPI Common
14 GPO 1b 14 GPO 13b 14 GPO 25b
15 GPO 2b 15 GPO 14b 15 GPO 26b
16 GPO 3b 16 GPO 15b 16 GPO 27b
17 GPO 4b 17 GPO 16b 17 GPO 28b
18 GPO 5b 18 GPO 17b 18 GPO 29b
19 GPO 6b 19 GPO 18b 19 GPO 30b
20 GPO 7b 20 GPO 19b 20 GPO 31b
21 GPO 8b 21 GPO 20b 21 GPO 32b
22 GPO 9b 22 GPO 21b 22 GPI 2
23 GPO 10b 23 GPO 22b 23 GPI 4
24 GPO 11b 24 GPO 23b 24 GPI 6
25 GPO 12b 25 GPO 24b 25 GPI 8
Each pair of GPO pins (for example GPO 1a & GPO 1b) are connected to contacts of a solid-state
relay rated at 60V DC or AC Peak, 1A continuous. There is no particular polarity requirement.