|Description:||4 Port Loop Start Trunk Card|
Toshiba RCOU 4 Circuit loop start CO line interface unit that supports 4 CO lines for the DK40, DK280, DK424, CTX100 and CTX670 telephone systems.
An RCOS subassembly can be added to the RCOU card, adding support for 4 more CO lines.
Manufacturer's part#, RCOU
Other variations, RCOU3A, RCOU3
last revised on May 23, 2017, 8:49 am