Trunk Mdf Interface Card; Table 5-1 Number Of Trunk Interface Cards Required Per Cabinet; Mdf-Co Card - Panasonic DBS 576 Technical Manual

Chapter 5 - Trunks and Extensions

Trunk MDF Interface Card

Guidelines
• Loop-Start trunks (LTRK/8), Loop-start/Ground-start trunks (LGTRK/8), and
• Each trunk circuit card contains four (4) four-wire modular connectors. Each
• The Trunk MDF Interface may be mounted on either side of the cabinet. If the
• The Trunk MDF Interface contains three (3) sets of four (4) modular connectors.
• A second type of MDF Interface is used with the DBS 576. The Extension MDF
Installation
1. From Table 5-1 determine the total number of Trunk Interface Cards required
Table 5-1. Number of Trunk Interface Cards Required per Cabinet
(LTRK/8, LGTRK/8, and DIDTR/8)
2. From Figure 5-2, determine the Trunk MDF Interface Card position(s).
5-4
DID trunks (DIDTR/8) trunks connect to the Main Distribution Frame through
the Trunk MDF Interface (MDF-CO) card. Each Trunk MDF Interface supports
any combination of up to three of these trunk cards.
four-wire connector provides connection to two (2) trunk circuits.
system may expand to include cabinets installed side by side, install the MDF
Interface on the side of the cabinet that will remain on the outside.
Each set of four modular connectors supports one LTRK/8, LGTRK/8, or DIDTR/
8 trunk card.
Interface is also installed in the MDF Interface positions on the side of the
cabinet. Make certain that you use the correct MDF Interface.
per cabinet.
Total Number of Trunk
Cards in Cabinet
1 to 3
4 to 6
7 to 9
10 to 12
DBS 576 (USA), issued 6/2/98
Section 300-Installation

MDF-CO card

Required Number of Trunk
MDF Interface Cards
1
2
3
4
576-13-300