Technician’s Handbook
86
PBX Property Management
System Interface
The PBX’s Property Management System (PMS) interface collects and
sends the following Hotel/Motel information to a customer’s PMS
computer through a dedicated bidirectional RS-232 port – typically a
Dataset programmed to a DNIC port.
n
Maid and room status
n
Guest check-in and check-out
n
Guest name
n
Auto wake-up and message waiting
n
PMS related maintenance logs.
Property Management System Messages
A PMS message is a string of ASCII text characters.
For example, to light a message waiting lamp for guest room extension
number 2129, the customer’s PMS computer will send a string of ASCII
keyboard commands to the PMS interface.
The PMS message sent is:
^BMW 1 2129^C
When the PBX’s PMS interface receives and understands the
message, it will send an
ACK
nowledge character back to the
customer’s PMS computer.
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