Karel MS128, Installation & Maintenance Manual

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Karel MS128 Installation & Maintenance Guide
Edition 3.2
18
II.1. CONSOLES, FEATURE PHONES, DIRECT STATION
SELECT MODULES - OP48(-H), LT48(-H), DSS80,
DSS40
OP48(-H) Consoles, LT48(-H) Feature Phones, DSS80 / DSS40 Direct Station
Select Modules are the members of the same telephone family, hence they have
similar cases.
The data cabling of these sets is made via the 6-pin RJ socket on the MS128
CPUKON card. The signaling between the system and consoles, feature phones or
DSS modules is illustrated in the following table :
MS128 CPUKON Card Telephone / DSS Card
Console Connector Pin No Signal RJ Socket Pin No
1 +12 VDC 6
2 Busy -
3 - -
4 - -
5 GND 2
6 Data 1
The input of +12 VDC is regulated to +5 VDC by telephone / DSS cards.
II.1.A. OP48(-H) CONSOLE
There are two types of OP48 Consoles, OP48 Console and OP48-H Handsfree
Console, the second one being half-duplex. The OP48(-H) Console has a BDP
(Busy Display Panel) that shows the states of the first 40 extensions and the first
12 lines as well as some system features. There is also an 8-Character Display that
keeps the user informed about the calling / called extensions and dialed numbers
as well as some system features.
The outlook and BDP of OP48-H Console are illustrated in the following figures.