Did Trunks; Table 5-8 Maximum Did Trunks Per System; Didtr/8 Card - Panasonic DBS 576 Technical Manual

Chapter 5 - Trunks and Extensions

DID Trunks

Guidelines
• Direct Inward Dial (DID) trunks are connected to a DIDTR/8 card (VB-44520)
• A -48V Power Supply must be installed in the same cabinet as the DIDTR/8 card
• One or more Trunk MDF Cards (VB-44512) must be installed to support
• Each trunk card requires a modular cable asswmbly (supplied).
• Cabling must also be completed from the MDF interface card to the MDF (cables
• The maintenance switch (SW1) on the DIDTR/8 card can be set so that the card
• Table 5-8 shows the maximum numbers of cards and trunks per system type.
Table 5-8. Maximum DID Trunks Per System
System Type
96 ports (CAB96 1)
5
192 ports (CAB96 + CAB96B)
288 ports (CAB96 + CAB96B
384 ports (CAB96 2 + CAB96B
5
480 ports (CAB96 2 + CAB96B
5
576 ports (CAB96 2 + CAB96B
5
Installation
Note:
Trunk MDF Interface Card (VB44512) mounted on the side of the cabinet. See
"Trunk MDF Interface Card" on page 5-4 for more information on installing a Trunk
MDF Interface Card.
1. Install the DIDTR/8 card in any available flexible slot.
2. Referring to Figure 5-6 and Table 5-9 on page 5-16, connect the trunks to the
5-14
installed in a flexible slot of the cabinet. A maximum of 8 trunks can be
connected to each DIDTR/8 card.
for DID trunks to operate.
connection of trunks from the Main Distribution Frame (MDF) to the DIDTR/8
card. Each Trunk MDF supports up to three LTRK/8, LGTRK/8 or DIDTR/8
cards (up to 24 trunks). See "Trunk MDF Interface Card" on page 5-4 for
information on installing the Trunk MDF Interface Card.
not supplied).
can be removed and installed while the system is operating. See page 5-1 for
details on the maintenance switch.
Maximum Number of Cards
2)
5
2)
5
3)
5
4)
5
Prior to installing the DID Trunk Card, make certain you can connect to a
MDF Interface Card using the supplied modular cable.
DBS 576 (USA), issued 6/2/98

DIDTR/8 card

Maximum Number of DID
12
24
36
48
60
72
Section 300-Installation
Trunks
1-96
1-192
1-288
1-384
1-480
1-576
576-13-300