Trunks - Panasonic DBS 576 Technical Manual

Section 300-Installation

Trunks

The following cards are used with trunks:
In addition to the trunk cards, if installing using any combination of LTRK/8,
LGTRK/8 or DIDTR/8 cards, an appropriate number of Trunk MDF Cards must be
installed for each cabinet as described in "Trunk MDF Interface Card" on page 5-4.
Install the correct type of cards in the cabinet for the trunks that are to be connected,
then connect the trunks.
The following describes how to connect the respective types of trunks.
576-13-300
• LTRK/8: Loop start trunk interface card (8 ports)
• LGTRK/8: Loop Start/Ground Start trunk interface card (8 ports)
• DIDTR/8: Direct Inward Dial trunk interface card (8 ports)
• E&M Tie Line trunk interface card (4 ports)
• TBRI/4: T-point ISDN basic interface card (4 ports)
• PRI/23: T-point and S-point ISDN primary rate interface card (1 port)
• T1: T1 trunk interface card (1 port)
DBS 576 (USA), issued 6/2/98
Chapter 5 - Trunks and Extensions
5-3