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Chapter 14 — NTMW50 RS232 Service
Module Assembly
Introduction
Functional description
The NTMW50 RS232 Service Module assembly provides buffering for the
RS232 signals that are exchanged between the Option 11 Compact and the
PCs used to provide Property Management System (PMS) and Guest
Administration Services.
The NTMW50 provides the following features and functions:
•
Drivers and receivers buffer the RS232 signals coming from the Option
11C Compact Mail Card.
•
A switch on the NTMW50 provides a bypass to the Compact Mail card,
allowing the PMS to continue to operate even in the case of a Mail card
failure or power-down.
•
Port 2 supports the Guest Administration Computer (GAC).
•
Port 3 supports the PMS.
•
Port 4 connects to the SSC circuit card in the main cabinet by way of the
SDI cable.
•
Port 5 provides an RS232 connection to the main distribution frame
(MDF), in case it is needed.
•
The NTMW50 is wall mountable.
Meridian 1 Option 11C Compact
Page 133 of 136
Technical Reference Guide
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