Product Description:

This Toshiba circuit card is to enable four C. O. Line ports to be ready for Caller ID. It requires an open card slot. An RCIS subassembly may be mounted on this card to add four additional ports ready for Caller ID.

This card must be used in conjunction with an RCOU or an RGLU.

Manufacturer's part#, RCIU2
Other variations, RCIU, RCIS

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