Karel MS26s Installation & Maintenance Guide
Edition 3.1
10
II.1.
FEATURE PHONES - LT26s(-H)
There are two types of LT26s Feature Phones, LT26s Feature Phone and LT26s-H
Handsfree Feature Phone, the second one being half-duplex. The LT26s(-H)
Feature Phone is equipped with a 2 x 16 menu driven LCD, which offers self
explanatory messages for the user to monitor the state of operation and access
many system features. Also, it is possible to make one touch dialing for accessing
any extension / line or calling a Private Pool number, by the help of the 10
programmable keys in the upper keypad.
The outlook of LT26s-H Handsfree Feature Phone is illustrated in the following
figure.
Handsfree Key, Handsfree Volume Adjuster and Handsfree LED are available only on the handsfree versions.
Figure A-8
The data cabling of LT26s(-H) Feature Phones is made via the 6-pin RJ socket
(named LT/OP) on the MB26s motherboard. The signaling between the system and
consoles, feature phones is illustrated in the following table.
MB26s Motherboard
LT26s(-H) Feature Phone
LT/OP Socket Pin No
Signal
RJ Socket Pin No
1
+8 VDC
6
2 Busy
-
3
A (ext.11)
3 (ext. 11)
4
B (ext.11)
4 (ext. 11)
5 GND 2
6 Data 1
Summary of Contents for MS26S
Page 1: ...Karel MS26s T e l e p h o n e S y s t e m Installation Maintenance Guide Edition 3 1...
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Page 42: ...Karel MS26s Installation Maintenance Guide Edition 3 1 34 Figure B 7...
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Page 62: ...Design and specifications subject to change without notice...