Did Trunk Board (Didb) - Vodavi Starplus Triad 1/2/3 Installation Manual

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DID Trunk Board (DIDB)

The DIDB board provides the interface to eight (8) Direct Inward Dialing
(DID) trunks.
Installing the DTMF-B Module
1. Unpack the DTMF-B Module from its anti-static conductive bag in the
2. Locate the K1 and K2 connectors on the DTMF-B module.
3. Locate the K2 and K3 connectors on the DIDB (outlined).
4. Position the DTMF-B module so that the K2 and K1 connectors match
5. Push the DTMF-B module onto these connectors making sure it is
Refer to
DTMF-B.
Each of the trunk circuits contain a hybrid, 2- wire interface circuit and
control circuitry.
The operation for dial-repeating address or DTMF signaling can be
immediate, wink, or delay-start supervision.
Each circuit has an LED indicator that gives trunk status. Each circuit
can be disabled as well as the card.
The CO Lines are connected via a 50-pin male amphenol connector
located on the card front edge.
A Normal/Service switch located toward the top of the card allows
the card to be inserted or removed from the system while under
power.
The card can accept a DTMF4-B unit as a daughter board type
arrangement. This unit has 4 DTMF Receivers installed on it. This
board can be installed on the LCOB, GCOB, and DIDB boards. This
board mounts as a daughter board type arrangement.
packing box.
up with the K3 and K2 connectors on the DIDB respectively.
seated properly.
Figure 3-19. This completes the installation procedure for the
CO/PBX Connections