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Peripheral Equipment cards 47
QPC250 Release Link Trirnk
System Hardware-All
Purpose-Used to interface a remote system, arranged for the Centralized
Attendant Service (CAS) option, with the main system where CAS
attendant
is located. Refer to
Centralized Attendant S&vice (CAS)
-
Feature description and engineering
(553-2681-100)
and
Release Link
Trunk- Description, operation, and installation
(553-2681-180) for more
information.
The card contains two separate, identical trunk circuits, with balanced
terminating impedance of 900
a.
Note:
QPC250B or later vintage is required.
Quantity-One
per two Release Link Trunks
QPC297 Attendant Console Monitor
System
HardwarsAll
Purpose-Interfaces attendant consoles (including add-on modules) when
the supervisory console feature is used. Allows the supervisory attendant to
monitor calls being handled by attendants within the customer group.
_
Quantity-One
per M1250/QCW4 console in systems using Supervisory
Console feature
QPC422 Tone Detector
System Hardware-All
Purpose--Identifies tones and reports to CPU appropriately. Each card
contains two tone detector circuits controlled by two microprocessors.
Refer to
Tone Detector
-
Circuit description
(553-2001- 191) for more
information.
Quantity-One
per system
Equipment identification and ordering information 553-3001-154