Did Trunk Board (Didb) - STARPLUS Triad 1 Product Description Manual

Peripheral Boards
Line/Station Interfaces -- The board has three RJ14 modular connectors on the front edge.
These provide the interface from the circuits on the board to the MDF.

DID Trunk Board (DIDB)

The DIDB board provides the interface for up to four direct inward dial circuits from the
telephone company. The circuitry supports immediate, wink, and delay type signaling. This
board can be plugged into any designated peripheral slot.
Wiring/Pinouts/Connections -- The board has four red LEDs to monitor each circuit on the
board. The LED lights red when the circuit is busy and not light when idle. The board also has
two RJ14 modular connectors on the front edge of the card. These provide the interface the
DID circuits to the MDF. Refer to
No peripheral boards can be inserted/removed when power is on.
"Optional Units"
Refer to
Figure 10-6: LCOB (CO/FX/WATS Trunk Board)
Figure 10-7: DIDB (Direct Inward Dialing)
for additional information.
"Optional Units" for additional information.
Chapter 10 - Triad 1/2 System Configuration
DTRU
DTRU
10-11