Figure C-11.T1 Network Extension Numbering - Panasonic DBS-2.3-400 Programming Manual

Appendix C. EX 1.0 Feature Update
• External CSU (not provided by Panasonic)
The maximum number of nodes which can be connected together is 4. Each node can be
either a single or double DBS cabinet configuration. The connection between these systems
is accomplished via T1 talk paths, with the quantity determined during installation.
Network Extension to Extension Calling
Networked DBS's use a 4-digit extension numbering plan. The first digit determines the node
being called. For example:
Node 1 - leading digit 1
Node 2 - leading digit 2
Node 3 - leading digit 3
Node 4 - leading digit 4

Figure C-11.T1 Network Extension Numbering

Node 1
Extension 1XXX
When an extension in one node is called via the intercom from an extension in a different
node, the called extension rings - Intercom Voice Calling and OHVA do not work when
calling from one node to another.
The DBS determines how to route the calls based on the network trunk group priorities
established during programming. To allow optimum flexibility in a 4-node network, up to 3
different trunk group priorities can be established.
Page C-32
T1 Node Network Trunks
DBS Manual - Revised April 2000
Section 400-Programming
Node 2
Extension 2XXX
DBS-2.3/9.2-400