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GuestWorks and DEFINITY ECS Release 9
Technician Handbook for Hospitality Installations
555-231-743
Issue 1
November 2000
Installing the System
57Connecting the Hospitality Adjuncts
7400A Options
The options for the 7400A used for the switch-to-PMS connection are given in
Tab le 5. These options must match the PMS communication parameters, which
are usually 9600 bps, 8 data bits, 1 stop bit, and no parity.
The data module interface board must be positioned at the DCE location, and the
interface option must be set for Answer-Only mode.
Table 5. 7400A Options for Switch-to-PMS Link
Set Interface Set Values
Option Answer-only mode
Set Option Displays Set Values
*Set 300 speed OFF
*Set 1200 speed OFF
*Set 2400 speed OFF
*Set 4800 speed OFF
*Set 9600 speed ON
*Set 19200 speed OFF
Set Answer AUTO
Set Break DISC LONG
Set CI Lead OFF
Set CH Lead OFF
Set CTS Lead NORMAL
Set DCD Lead NORMAL
Set DSR Lead NORMAL
Set DTR Detect 50
Set DTR Lead FOLLOW
Set LL Lead OFF
Set Remote Loop GRANT
Set RI Lead ON
Set RL Lead OFF
Set SIGLS DISC ON
Set TM Lead OFF
* The speed is typically set to 9600 for Transparent mode
and 1200 for Normal mode. Verify the speed setting with the
PMS vendor. Enable other speeds as needed.