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Test Report for EMP-Centauri S.168 Eight LNB’s on

EMP-Centauri S.168 Eight LNB’s on

Watching a satellite programme is not a problem now. It doesn’t take all that long to switch from one cable to another if the programme you want to watch is on one of the other satellites. You suddenly wonder to yourself, “isn’t there a better way?” Actually, yes, there is.

It is nice to run a single cable from all of these dishes to your house? Wouldn’t it be nice if a single receiver could access each of these dishes individually? EMP-Centauri, based in the Czech Republic, has come up with a solution to this dilemma with their new S.168 DiSEqC 1.2 switch.

At first glance, the S.168 looks like any standard DiSEqC switch except that it has eight inputs and a single output. And of course the “DiSEqC 1.2” on the top quickly reveals that this is no ordinary switch. The connectors are all in standard female “F” format. As with other switches, this one is also installed between the receiver and the antennas. Its eight inputs allow up to eight satellite antennas or LNB’s to be connected.

The switch can actually be controlled in a number of ways. In addition to DiSEqC 1.2 operation, the switch can be controlled with the DiSEqC 1.1 protocol. The S.168 switch is even compatible with standard DiSEqC 1.0 commands. The IF outputs from each of these antennas are connected to the eight inputs of the S.168 switch. The output of the switch is routed to the IF input on the satellite receiver. The switch itself is installed in the antenna farm so that the coax cables running to the eight inputs of the switch could be kept as short as possible for the sake of appearance. Make sure that the switch is located in a waterproof enclosure as it is not water resistant.

You must have point out that the satellite receiver to be used must be DiSEqC 1.1 and/or 1.2 compatible in order to take full advantage of the capabilities of this switch. The committed port is then set from 1 to 4 based on the input that is to be addressed. For example, input 7 is addressed as uncommitted port 2 and committed port 3..

If the receiver does not support DiSEqC 1.1, then DiSEqC 1.2 can be used to control the switch. From the receiver’s point of view, the S.168 switch is treated no differently from a DiSEqC motor; the receiver should be set up as if there were a DiSEqC motor connected to it. Simply access the menu that contains the receiver’s DiSEqC 1.2 motor control settings and treat each satellite antenna input as a different position for the “motor”.

Starting with switch position 1, use the receiver’s menu to “move” the antenna until the signal strength for the first dish rises significantly. Stop moving, verify that the signal quality is at maximum and store the position. Repeat this procedure for the remaining seven inputs until all the positions have been stored.

Keep in mind that the scanning of the inputs can take as long as one minute and that the actual procedure for setting up motor positions may differ from one receiver to another.

Once the eight positions have been stored, the receiver can now access each of the switch’s inputs individually by “moving” to the desired satellite dish. And unlike the initial setup where the “movement” from one antenna to the next took some time, in normal operation there was no noticeable difference in the time to switch from one channel to another on different satellites compared to using a standard DiSEqC switch.

The S.168 is the perfect solution for those that have a substantial satellite antenna farm they can call their own and would prefer to have only one cable rooted to their receiver. Up to eight individual dishes or LNB’s can be connected to this switch and then accessed individually by a DiSEqC 1.1 and/or 1.2 compatible satellite receiver. The S.168 is also compatible with a standard DiSEqC 1.0 switch; only four of the eight inputs can be used.

Model : S.168 Function : 8-input/1-output DiSEqC 1.2 switch Operational Frequency Range : 950~2300 MHz Insertion Loss : 5 dB Power Consumption : 50 mA LNB Current : 400 mA max



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