Avaya 555-231-743 사용자 설명서
GuestWorks and DEFINITY ECS Release 9
Technician Handbook for Hospitality Installations
Technician Handbook for Hospitality Installations
555-231-743
Issue 1
November 2000
Installing the System
54
Connecting the Hospitality Adjuncts
Switch-to-PMS Link
This connection is used to transfer the normal hospitality information, such as
names registration, check-in, check-out, and so on, between the switch and the
PMS.
names registration, check-in, check-out, and so on, between the switch and the
PMS.
Parts List
■
One digital communications protocol (DCP) port on the switch; the 8400B
data module uses a TN2214 or TN2224 2-wire digital port, and the 7400A
and 7400B data modules use a TN754C 4-wire digital port.
data module uses a TN2214 or TN2224 2-wire digital port, and the 7400A
and 7400B data modules use a TN754C 4-wire digital port.
■
Standard cross-connect hardware
■
One D8W modular cord
■
, a 7400A DCP
data module optioned as shown in
, or a 7400B DCP
data module optioned as shown on
■
One DB9-to-DB25 transition cable when using the 8400B data module
■
One M25A or M25B cable (or equivalent 25-pin straight-through cable);
see
see
.
Distance Limits
The distance limit when connecting a data module to a TN2214 or TN2224 with 24
AWG wire is 3500 feet (1067 meters). The distance limit when connecting a data
module to a TN754C is 5000 feet (1524 meters) with 24 AWG wire, and 4000 feet
(1219 meters) with 26 AWG wire.
AWG wire is 3500 feet (1067 meters). The distance limit when connecting a data
module to a TN754C is 5000 feet (1524 meters) with 24 AWG wire, and 4000 feet
(1219 meters) with 26 AWG wire.