Current-carrying unit!
Unplug from the mains before installation.
The safety regulations in accordance with EN 60728-11 and EN 60065 must be observed.
Mount the amplifi er vertically with the cable input facing down. Ensure suffi cient air circulation from all sides. Install correctly in
accordance with EN 60728-11.
The connected network must be earthed in accordance with regulations, even if the amplifi er has been removed.
Only qualifi ed personnel is permitted to perform service work.
- The specifi ed torques must be adhered to for compliance with the electrical and mechanical data.
- Wall attachment to be performed using dowel screws with a thread diameter of 5-6 mm
Operating elements and plug-in cards
Important:
Only use replacement fuses of the type no. 215P from the Littlefuse company!
PG 9 thread for
Direct connection for 20-65 V~
connection of a IP 54
cable connection
(for VOS 136/G remote
feed via an external lead
- not included in the
delivery scope)
Pos. A
Frequency range setting:
X 6 (1 jumper)
X 4 (1 jumper)
● ● ▬ 862 MHz
● ● ▬ 862 MHz
● ● ▬ 606 MHz
● ● ▬ 606 MHz
*
In the delivery state, the adjustable
attenuator is set to maximum
attenuation
VOS 136/G:
Pos. A and B: Position of the fuses (for remote feed)
2 fuses with insert holder included in the delivery scope
Insertion of the fuse in pos. A → Remote feed via input
Insertion of the fuse in pos. B → Remote feed via output
Insertion of both fuses in pos. A and B → Remote feed via input or output with through feed
The remote feed fuses function as connection elements
(Fig. VOS 136/G)
Fuses:
T 800 mAE (VOS 135/G)
T 2AH (VOS 136/G)
Pos. C
T 5AH (VOS 136/G)
X 25
Equaliser 0-20 dB
X 6
X 4
*
Adjustable attenuator 0-20 dB
Return path insert position
X 11 (option)
X 2
Test 1
Input
-20 dB
bi-directional
Amplifi cation setting:
X 10 (2 jumpers)
● ● ▬
38 dB │ │ 31 dB
● ● ▬
X 12
Interstage equalisers (option):
ERT 903/906/907
X 10
X 12
X 19
X 19:
Insert position for attenuation card return path (option)
Test 2
Output
-20 dB
Pos. B
X 2 and X 15:
Diplexer (option)
WFS 130/165/166
X 15
X 25 (option):
De-emphasis equaliser
ERZ 940
Equaliser
ERZ 630, ERS 800