KX NS-5180 - LCOT6 Card for External Analog lines

- Designed for use with network servers NS500 and extensions NS520.
- Allows the connection of an additional six external analog lines (maximum 48 lines).
- Built-in Caller ID on all ports with a standard FSK and DTMF.
- Built-in reverse polarity detection and detection of damaged lines.
- Telephone lines connecting it with 3 x RJ45 sockets (2 lines each well).