The 16SLIU Card connects 16 analog extensions which are typically used for single line telephones and fax machines. Just like the 16ESIU Card, the 16SLIU Card has a Mode Switch (for taking the card out of service), a status LED indicating proper card operation, and a port activity LED to indicate traffic on the card.The 16SLIU Card provides high voltage message waiting for single line sets with high voltage message waiting lamps. The 16SLIU Card also provides Caller ID to single line sets.
- Analog station ports: 16
- Activity LED: Yes
- High Voltage Message Waiting: Yes
- Mode switch: Yes
- Status LED: Yes
- Max. installed in DSX-80: 3 (48 station ports)
- Max. installed in DSX-160: 5 (80 station ports)