4-Did Line Unit Connection - Panasonic KX-TD816 Installation Manual

2.4.4 4-DID Line Unit Connection

To add four DID lines, use the optional 4-DID Line Unit (KX-TD185).
This unit adds DID lines with the capability to accept dial pulse, DTMF and MFC-R2
signalling. The following unit types can be selected according to your central office service.
• DID Line Unit with Pulse / DTMF
• DID Line Unit with MFC
This unit can be installed to any of the expansion unit areas provided on the front of the main
unit. For outside line expansion unit installation, see Section 2.4.7 Installing Expansion Unit.
System Programming is required for card location identification.
Programming Guide References
[109] Expansion Unit Type
General Installation
2.4 Installation of Optional Cards and Unit
77