The NEC SV9100 8 port analogue extension Daughter card GPZ-8LCF Condition NEW is used to connect basic analogue phones to the SV9100 phone system.
NEC SV9100 8 Port Analogue Extension Daughter Card Details.
The NEC SV9100 8 analogue extension Daughter card GPZ-8LCF is used when you want to connect up to 8 basic analogue phones on the NEC to the SV9100 system and connects to the GCD-8LCF card