Panasonic DBS 576 Technical Manual

Also see for DBS 576 Section 300: User guide Technical manual Technical manual User guide Technical manual

Contents

Panasonic DBS 576 Technical Manual Manual pdf 130 page image

Chapter 5 - Trunks and Extensions Section 300-Installation5-6 DBS 576 (USA), issued 6/2/98 576-13-300Loop-Start TrunksGuidelines• Loop-start trunks are connected to a LTRK/8 card (VB-44510) installed in aflexible slot of the cabinet. A maximum of 8 trunks can be connected to eachLTRK/8 card.• One or more Trunk MDF Cards (VB-44512) must be installed to supportconnection of trunks from the Main Distribution Frame (MDF) to the LTRK/8card. Each Trunk MDF supports up to three LTRK/8, LGTRK/8 or DIDTR/8cards (up to 24 trunks). See “Trunk MDF Interface Card” on page 5-4 forinformation on installing the Trunk MDF Interface Card.• Each trunk card requires a modular cable assembly (supplied with trunk card).• Cabling must also be completed from the MDF interface card to the MDF (cablesnot supplied).• The maintenance switch (SW1) on the LTRK/8 card can be set so that the cardcan be removed and installed while the system is operating. See page 5-1 fordetails on the maintenance switch.• A Caller ID Card (VB-44513) may be installed on the LTRK/8 to provide callerID numbers.• Table 5-2 shows the maximum numbers of cards and trunks per system type.Table 5-2. Maximum loop-start trunks per systemInstallationNote: Prior to installing the Loop Start Trunk Card, make certain you can connectto a 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 TrunkMDF Interface Card.1. If installing a Caller ID (CID, VB-44513) piggyback card, install the card asshown in Figure 5-3.System Type Maximum Number of Cards Maximum Number of LoopStart Trunks96 ports (CAB96 51) 12 1-96192 ports (CAB96 + CAB96B) 24 1-192288 ports (CAB96 + CAB96B5 2) 36 1-288384 ports (CAB96 5 2 + CAB96B 5 2) 48 1-384480 ports (CAB96 5 2 + CAB96B 5 3) 60 1-480576 ports (CAB96 5 2 + CAB96B 5 4) 72 1-576LTRK/8 card