Panasonic DBS-2.3-400 Programming Manual page 180

Chapter 1. System Programming (FF1) Section 400-Programming
DID Hardware and Power Requirements. The DID trunk card is required
(each DID card provides 8 ports). The DID trunk card requires an external,
-48V power supply. Also, SCC-B Card Version 1.2 or higher is required.
See Section 300-Installation for cabling instructions.
Dial Pulse Requirement. The DID trunk card requires dial-pulse dialing.
Digit Length Requirement. The DBS only supports 4-digit DID numbers.
DID Ring Control. Ringing for the DID number at the assigned extension(s)
is controlled by the DID Flexible Ringing Assignments address (FF1 8# 5#).
Page 1-136 DBS Manual - Revised April 2000 DBS-2.3/9.2-400