Ground Start (Gcob) Trunk Board - STARPLUS Triad 1 Product Description Manual

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Chapter 11 - Triad 3 System Configuration

Ground Start (GCOB) Trunk Board

The GCOB board provides the interface to eight CO, FX, or WATS trunks.
Each trunk circuit contains a hybrid, 2-wire interface circuit and control circuitry.
The operation for Pulse Dialing or DTMF signaling can be done on a per circuit basis.
Each circuit has an LED indicator that gives trunk status.
Each trunk circuit can be disabled as well as the card.
A Normal/Service switch located toward the top of the card allows the card to be
inserted /removed from the system while under power.
The CO lines are connected via a 50-pin male amphenol connector located on the front
edge of the card.
The card can accept a DTMF-B unit in a daughter board type arrangement.
The card ejector tabs are color coded white.
Figure 11-5: LCOB (CO/FX/WATS Trunk Board)
Peripheral Boards