67
Version 0.1
Operating manual
Table D.1 – Settings of telephones and сommutator telephones
Settings
element
Assignment
Description
P2
To adjust volume of
incoming voice com-
munication
Trimming resistor controls volume of incoming voice communi-
cation (sound in telephone receiver) from min. to max. value
JP4, JP5
To set call mode
a) jumper JP5 is set – call signaling will last unless «Reset call»
button is pressed;
b) jumper JP4 is set – call signaling will last for 10-12 sec after
the call is finished;
c) jumpers JP4 and JP5 are not set – call signaling will last unless
a calling user finishes the call;
d) jumpers JP4 and JP5 are set – call signaling will last unless
«Reset call» button is pressed
JP7
To set call signal
Jumper not set
Call frequency – 4.5 Hz (jumper not set)
(short interruptions)
Jumper set
Call frequency – 3 Hz (jumper set)
(long interruptions)
JP8
To control relay unit To connect signaling unit type RBWSB, set the jumper
Table D.2 – Settings and assignment of relay unit elements
Element
Settings
type
Description
JP1
To set
call mode
a) jumper JP1 is set – call signaling will last unless «Reset call» button is
pressed;
b) jumper JP2 is set – call signaling will last for 10-12 sec after the call is
finished;
c) jumpers JP1 and JP2 are not set – call signaling will last unless a calling user
finishes the call;
d) jumpers JP1 and JP2 are set call signaling will last unless «Reset call» button
is pressed
Table D.3 – System settings when delivered from the Manufacturing plant
Element
Position
Settings
JP8
Not set
Control over relay unit is switched off
JP 7
Set
Frequency of signal interruption 3 Hz
JP 4
Not set
Incoming call signal will last unless the calling user fin-
ishes the call
JP5
Not set
