This card can be added to an IP500 base card to provide that card with support for 4 loop-start analog trunks.
This card can be fitted to any IP500 base card except the IP500 Legacy Carrier card and IP500 4-Port Expansion card.
• Ports/Channels
4 Loop-start analog trunk ports. Connections via the host IP500 base card.
• DTMF, ICLID, Busy tone detection.
• Over-voltage and lightning protection.
• DTMF and LD dialing.
• Adjustable echo cancellation (default 16ms). Selectable to Off, 8, 16, 32, 64 and 128 milliseconds.
• Power Fail Port when fitted to an IP500 Analog Phone 8 base card. During power failure extension port 8 is connected to the analog trunk port 12.
• License: No license required.
• Maximum per IP500 Control Unit: 4.
• IP Office Software Level: 4.0+.

