The Panasonic KX-TDA5180 4-port loop start CO card (LCOT4) adds up to four more phone lines to system. Two ports have power failure transfer. One optional, KX-TDA5193, 4-port Caller ID card can be can be mounted on it to support called ID functionality.
- 4 Port Loop Start Card
- One Card comes Built in to System
- Requires 1 Free Slot
- Maximum of 3 Cards Per System
- Must be Combined w/ KX-TDA5193