Karel MS48 Installation & Maintenance Guide
Edition 3.2
11
II. ACCESSORIES
To offer you a full telecommunication system, MS48 is equipped with many
accessories. These accessories are shown in the following figure and explained
one by one in the following sections.
Figure A-8
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 3-pin CONSOLE connector on the
SPS48 Power Supply Module. The signaling between the system and consoles,
feature phones or DSS modules is illustrated in the following table.
SPS48 Card Telephone / DSS Card
CONSOLE Connector Pin No Signal RJ Socket Pin No
1 Data 1
2 + 12 VDC 6
3 GND 2
The input of +12 VDC is regulated to +5 VDC by telephone / DSS cards.
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