NEC Central Office Interface Unit with CALLER ID
- (Model# COIB(8)-U30 ETU Stock# 750451)
- The Central Office Caller ID ETU detects Caller ID signals from the central office and sends them to the Main Processor.
- This card supports 8 outside (CO/PBX) lines and contains a fax branch connection. Loop start trunks only. CAMA & E911 supported.
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