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Pelco Manual C538M-A (3/04) 7
3.2.1 REL Contact Pair Connections
Physically, each relay block consists of 16 relay contacts and two mating plugs.
Since a relay contact requires two terminal positions, each plug provides 8 contacts
via 16 screw terminals.
To determine the screw terminal pin numbers for a particular contact, refer to
Figure 3.
Figure 3. Relay Interface Contact Configuration
NOTE:
The numbers that appear
on the mating plugs in Figure 3 are
placed there for explanatory pur-
poses only. The terminal positions
on the actual physical plugs are not
numbered.