43
ETB Command Talk-Back & Public Address System
Installation & Operation Manual
A100K11162 v1
4 Commissioning
4.1 General
The ETB central unit and all subsidiary equipment have been fully tested
in our workshop before delivery.
To ensure that the system operates correctly after installation and
configuration, carry out the following procedures before using the
system.
4.2 Mechanical Inspection
● All equipment is well fastened in the console or wall.
● All cable and cable glands are well tightened and fastened.
4.3 Cable Inspection
All cables are connected according to cable connection diagrams in
Section 7.
● All signal cables have to be min. 0.75 mm
2
, approved ship cable of
type twisted-pair with outer braided copper screen
● Terminal block on main board K1 – K10 /no. 5 is ground point for
each substation
● Power cable is 0.75 mm
2
and connected to terminal block K11 (+ to
terminal 1, - to terminal 2)
● The screen is grounded on terminal 3
●
0.75 mm
2
cable is used for power to signal units
● Polarity for extra signal device is connected according to cable
connection diagrams in Section 7.
4.4
Check Configurations
For microphones
Jumper
J1
on the keyboard PCB has to be set to
Microphone
.
For ETB central unit with foot switch
The jumper marked
jumper for foot switch
on the main board has to be
removed.
Public address operation
Jumpers
J12
to
J21
for each line (on ETB-100 board) have to be set in
position
PA
.
Substation default settings
To change the default settings for substation STB-1, STB-3, and STB-5,
see sections 2.12, 2.13, 2.14.
Maximum load
Maximum load of directly connected extra signal device or substation
with relay is 50 mA.
Maximum load of substation with relay is 2A.
4.5
Identification Labels
● A identification label with directory/extension number for all
substations should be placed close to the ETB central unit.
Summary of Contents for 3005020018
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