Grass Valley 8972PX - Manual (Page 35)

8972PX — Instruction Manual 35
Installation
8900PX-DBS Connector Option
A SubD-25 connector option (8900PX-DBS) may be purchased from the
factory that is ideal for use on the densely populated rear module. This con-
nector and its dimensions are shown in
Figure 11 .
Figure 11. 8900PX-DBS SubD-25 Connector Option Dimensions
Connector Pinouts
Pinouts for the SubD-25 pin connector, GPI I/O, are given in Table 7 . These
inputs and output assignments are hard-wired and may not be changed.
Typical wiring diagrams and more wiring details are given in
GPI I/O
Control Interface on page 36 and GPI Relay Status Monitoring on page 39 .
Table 7. GPI I/O Connector Pinouts
GPI I/O Pin Function Pin Function
1 GPI OUT Secondary Fail 14 GPI IN Switch to Primary
2 GPI OUT Primary is the Active Link 15 GPI IN Switch to Secondary
3 GPI OUT Secondary is the Active Link 16 GPI Exclusive Control Enable
4 GPI OUT Common Fail 17 Do not use (Reserved for future use)
5 GPI OUT Common Active 18 GPI OUT Primary Fail
6 Do not use (Reserved for future use) 19 GPI IN Switch to Alternate
7 Do not use (Reserved for future use) 20 GPI OUT Alternate Fail
8 Do not use (Reserved for future use) 21 GPI OUT Alternate Fail Common
9 Do not use (Reserved for future us)e 22 GPI OUT Alternate is Active Link
10 Do not use (Reserved for future use) 23 GPI OUT Alternate Active Link Common
11 Do not use (Reserved for future use) 24 Do not use (Reserved for future use)
12 Do not use (Reserved for future use) 25 Do not use (Reserved for future use)
13 GPI In Common Ground
Pin 1
Pin 13
Pin 14
Pin 25
D-25 Female