Section 300~Installation
Loop-Start Trunks
Guidelines
DBS-70-300
Technical Manuals Online! - http://www.tech-man.com
Two versions of the loop-start trunk are available: the four-port version
l
The following procedure covers loop-start trunk installation using the main
l
trunk connector. For instructions on using the expansion trunk connector,
see "Trunk and Line Expansion" on page 4-43
For pinouts and color codes for the main trunk connector, see Table 4-2 on
l
page 4-5.
Installation without Caller ID
1. If installing VB-435 11A Loop Start Card:
a. Remove the cover from the L-TRK card (VB-435 11A).
b. Set the all option switches to ON as shown in Figure 4-2.
c. Replace the cover on the L-TRK card (VB-43511A).
SW6
T K 2 T K 3
T K 4 TKS
SW1
L-TRK Card
DBS Manual - Issued 8/l/95
SW8
TK6 TK7
TK8
When a Caller ID Card Is Installed.
Set All Switches to the OFF Position
When No Caller ID Card Is Installed,
i l +
Set All Switches to the ON Position
•
Chapter
Trunks and Lines
- S t r a p Jl
must be
cut to
receive
Caller ID