Serial Interface Unit (Siu2) - Vodavi Starplus Triad 1/2/3 Installation Manual

Main Processor Board (MPB) Installation

Serial Interface Unit (SIU2)

A Universal Asynchronous Receiver Transmitter (UART), provides two
RS-232C interface ports. These two ports are connected to RJ48
connectors providing access for input information to the system
database and output of data.
Installing the SIU2
1. Unpack the SIU2 from its antistatic conductive bag in the packing
2. Push the two standoffs into the holes on the SIU2 board.
3. Locate the CONN6 connector and the two screw holes (outlined) on
4. Push the SIU2 board onto the CONN6 connector and be sure it is
5. From the back side of the MPB board, insert the two metal screws into
Refer to
SIU2.
box. There should also be a plastic bag with two plastic standoffs and
two metal screws.
the MPB.
seated correctly.
the holes and tighten them into the bottom of each stand-off and
secure.
Figure 3-14. This completes the installation procedure for the
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