Message Wait Unit (Msgu) - Vodavi Starplus Triad-S Installation Manual

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Message Wait Unit (MSGU)

The Message Wait Lamp Relay Control (MSGU) provides message wait

lamp relay control for message lamp single line telephones. The MSGU

board mounts on the CSIB as a daughter-board-type arrangement. The

CSIB interfaces with mechanical 90V AC ringers and 95V DC lights on

2500-type phone sets.

Installing the MSGU

1. Using a grounding strap, unpack the MSGU module from its anti-

2. Locate the CN1 and CN2 connectors on the MSGU module.

3. Locate the CN1 and CN2 connectors on the CSIB (outlined).

4. Position the MSGU module so CN1 and CN2 match CN1 and CN2

5. Push MSGU module onto connectors and ensure it is properly seated.

static conductive bag in the packing box.

connectors on the CSIB, respectively.

Figure 2-9: Message Wait Unit (MSGU)

2-21

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