907-0601-00 Rev. C Model 907 Video/Data Multiplexer – User’s Guide
Focal Technologies Corp. Page 5-12
5.10 907-CIB (4-Channel Control Interface Card)
The 907-CIB shown in Figure 5-10 is a 4-channel control interface (on/off control) expansion card. This card
provides four bidirectional control links.
The opto-isolated inputs for each channel are controlled by either a 0-24 V digital signal (Type 1) or external
switches (Type 2), as set on an individual channel basis by switches SW1-SW8. The outputs are solid state
relays with a maximum current rating of 200 mA each. The board multiplexes all of the inputs onto any one of
the six available backplane data ports.
Figure 5-10: 907-CIB Control Channel Expansion Card
Configure switch SW9 to set the backplane data port used by the 907-CIB card. All ports (1~6) are available.
The 907-CIB may also be configured to transmit the multiplexed channel status over an RS-232 port via
connector J9, allowing the 907-CIB cards to operate over a spare RS-232 channel or independent copper
link.
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