HOUSE PHONE REF. 1131/520
TECHNICAL SPECIFICATION
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52
HOUSE PHONE REF. 1131/520
BASIC FEATURES
BASIC FUNCTION
1. Conversation.
2. Opening door.
CONNECTION TO THE SYSTEM
House phone is connecting to the 2 wire installation. House phone
ref. 1131/520 can cooperate with house phones ref. 1132/520.
DESCRIPTION OF TERMINAL BOARDS
+L Data line.
-L GND (OL).
PROGRAMMING
The house phone physical address is set with jumpers. We can set
the phone number from 1 to 255. The first jumper (from right) is the
number 1. We use only first 8 jumpers (from right) and the other two
are used for testing house phone. Number of house phone is set in
binary code, as described on the PCB. Each jumper founded
increases the number of numbers corresponding to house phone.
Below are details on the sample settings jumpers.
For an installation with only main call modules and one main power
supply ref. 1052/31A (the maximum number of users 510) code
house phones equal to the value set by jumpers in binary code (for
riser nr.1) and code calls will be equal to the number set by jumpers
plus the number of 255 (for riser No.2).
Jumpers location Physical address
1
25
12
240
129
CALL VOLUME ADJUSTMENT
To adjust the call volume use jumper J1. Remove it to reduce the
volume.
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