DSX-80/160 Line Cards
16 ◆ Components DSX Product Description
DSX-80/160 8 Port CO Line (8COIU) Card with Caller ID
The 8COIU Card supports 8 analog loop start CO lines. The card has a Mode Switch (for taking the card out
of service), a status LED indicating proper card operation, and a port activity LED that indicates traffic on
the card. Each 8COIU Card also provides two power failure cut-through circuits. When commercial AC
power fails, the card automatically cuts through two line circuits to two power failure single line telephones.
See System Configuration (page 19) for more.
Tips to remember:
• The 8COIU provides built-in Caller ID.
• You can install a 8COIU Card in any slot except for slot 1.
At a Glance
P/N 1091009
Line ports: 8 Status LED: Yes
Mode switch: Yes Activity LED: Yes
Power Failure ports: 2 Caller ID: Built in
Max. installed in DSX-80: 3 (24 line ports
in 3 8COIU Cards)
Max. installed in DSX-160: 7 (56 line ports
in 7 8COIU Cards)
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