5
1.2 Installation environment recommendations
The headend is for indoor use only.
Do not plug in the headend in moist rooms.
Never operate the headend immediately after moving it from a cold location to a hot location. When the
device is exposed to such a change in temperature, moisture may condense on the crucial internal parts.
The device must have sufficient ventilation and may not be covered.
Protect the device against direct sunlight, heat, intense temperature fluctuations and moisture. Do not place
the device in the vicinity of heatersor air conditioners.
Do not allow liquids to enter into the device. Turn off the device and disconnect it from the main supply if
liquids or foreign substances end up inside the device.
If the device gets too hot or emits smoke, shut it down immediately and unplug the power cable. Arrange
for your device to be investigated by a technical service centre.
Under the following conditions, a layer of moisture can appear inside the device which can lead to
malfunctions:
- if the device is moved from a cold to a warm area.
- after a cold room is heated.
- when this device is placed in a damp room.
The device should not be used in a very dusty or saline environment. Dust or salt particles and other foreign
objects may damage the device.
Do not expose the device to extreme vibrations. It may damage the internal components.
2. General description
This headend station is designed for broadcasting DVB-T or DVB-C signals based on open or encrypted
DVB-S/S2/T/T2/C signals, and is made up of the following elements:
•
HTL-STC
(Ref. 3860): DVB-S/S2/T/T2/C to DVB-T/C transmodulator
•
HTL-TRX
(Ref. 3861): DVB-S/S2/T/T2/C to DVB-T/C transmodulator, MPEG4 to MPEG2 transcoder
1
11
3
10
8
9
4
5
6
7
2
10/100
HTL-STC
Link/Act
10/100
Link/Act
DVB RF IN
LOOP OUT
IN 1
IN 2
IN
OUT
+V
AUX
DVB RF OUT
CAM
1
11
3
10
8
9
4
5
6
7
2
10/100
HTL-TRX
Link/Act
10/100
Link/Act
DVB RF IN
LOOP OUT
IN 1
IN 2
IN
OUT
+V
AUX
DVB RF OUT
CAM
HTL-STC
HTL-TRX
1
Input splitter loop DVB-T/T2/S/S2/C
2
Preamplifier remote-powering socket
3
DB-9 port
4 Status and Sync control LEDs
5 DC Power
6
RJ-45 ports for IKUNET bus and PC
7
DVB-T / DVB-C output coupling loop
8
Input 1, in twin-input mode
9
Input 2, in twin-input mode
10 Slot for CAM
11 Link/Act and 10/100 and control LEDs
