Add-On Boards; Dual Tone Receiver Unit; Message Waiting Unit - Vodavi XTS-IP Installation Manual

Product Description

Add-On Boards

This section describes add-on boards, which can be installed on various types of boards to
support additional functions as shown in the following table.
Board
CIDU
DTRU
DTRU4
MSGU48
PMU
MODU
RAU
SIU

Dual Tone Receiver Unit

The dual tone receiver unit (DTRU) provides Dual Tone Multi frequency (DTMF) circuits. The two
versions of the DTRU are: the DTRU and the DTRU4.
The DTRU can be installed on the DIDB to provide 2 DTMF circuits.
The DTRU4 can be installed on the LCOBC, SLIBE, T1IB, or PRIB to provide 4 DTMF circuits.

Message Waiting Unit

The message waiting unit (MSGU) provides a message waiting light indication on single line
telephones.
One or two MSGU48s can be installed on each SLIBE or SLIBC (required if message wait
indication is needed).
Program Module Unit
The CPU operates on code in the flash ROMs in the Program Module Unit (PMU) which contains
the system control, administration, and call processing. The PMU has 8 MB of ROM (4 MB in PMU
for MPB1).
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The PMU must be installed on the MPB.
XTS-IP - Installation Manual
Table 1-3: Add-on Boards
Function
Caller ID Unit
Two DTMF receiver circuits
Four DTMF receiver circuits
Provides message waiting light indication on SLTs SLIBE & SLIBC
Provides operating software
Provides a 19.2K baud modem for local access
Provides three relay contacts and two alarm
functions (not used)
Provides additional two RS232 serial interfaces.
The resources above are shared across the entire system.
Chapter 1 - Introduction
Position
LCOBC
DIDB
LCOBC, SLIBE, T1IB,
PRIB, & BRIB
MPB
MPB
RAU
MISB
December 2005
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