
Hot Sale Big Multiple Dwelling Smatv System Cascade Multiswitch Of 17 In 17out 16 Subscribers
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Product Description
Product name: hot sale big multiple dewellingSMATV system cascade multiswitch of 17 in 17out 16 subscribers.

Multiswitch is an electronic device that allows for connection of any output to any of its input. It is a kind of switch that operates in 950-2150 MHz frequency range (or even to up to 2400 MHz). Connection of terrestrial TV signals (46 to 862MHz) is also possible. All the signals are separated at the outputs of subscribers' outlets.
Such an outlet has three outputs - one with satellite TV signal, to connect SAT TV receiver, second for TV set , and the third for FM stereo. The outlet must be transparent to DC voltage and control signals (DiSEqC and 22 kHz tone) from sat TV receiver. The sat receiver recognizes multiswitch as LNB converter and switching between its inputs is performed by changing voltage sent by the receiver (14V or 18V), presence or absence of 22 kHz signal or in the case of 9 inputs multiswitches - by DiSEqC signal.
Key feature:
Specification:
Application diagram of big multiple dewellingSMATV system cascade multiswitch of 17 in 17out 16 subscribers ( similar as BMS171712E cascade multiswitch diagram ):


Notice:
1. Locate the multiswitch indoors. Do not expose it to rain and direct solar radiation. Fix it to the wall by using suitable screws.
2. prompt delivery after order confirmed.
3. package size date:

Customer policy:
1. We always ship the samples to our customer as soon as possible.
2. We always send the samples to our distinguished customer free of charge.
3. We always find the cheap but safety shipping solution for our customer.
The production process 17x17 x16 cascade multiswitch:




BroadVision Vision:


Multiswitch is an electronic device that allows for connection of any output to any of its input. It is a kind of switch that operates in 950-2150 MHz frequency range (or even to up to 2400 MHz). Connection of terrestrial TV signals (46 to 862MHz) is also possible. All the signals are separated at the outputs of subscribers' outlets.
Such an outlet has three outputs - one with satellite TV signal, to connect SAT TV receiver, second for TV set , and the third for FM stereo. The outlet must be transparent to DC voltage and control signals (DiSEqC and 22 kHz tone) from sat TV receiver. The sat receiver recognizes multiswitch as LNB converter and switching between its inputs is performed by changing voltage sent by the receiver (14V or 18V), presence or absence of 22 kHz signal or in the case of 9 inputs multiswitches - by DiSEqC signal.
Multiswitch ensures that subscribers are able to access satellite signal from any polarization, band and satellite. The variety of installations requires different kind of multiswitches. Basic differences between types of multiswitches are:
1) Number of inputs for converters. It determines ability of reception from different satellites or polarizations;
There are multiswitches with:
• 4 inputs (possibility of reception of all programs from one satellite),
• 8 inputs (possibility of reception of all programs from two satellites)
• 12 inputs (possibility of reception of all programs from three satellites)
• 16 inputs (possibility of reception of all programs from four satellites

Key feature:
16 satellite IF and 1 terrestrial TVinputsfor 16 satellite receiver | ||||
16 satellite IF inputs selected by 13V\18V\22KHzand DisEqC 2.0 signal | ||||
Low insertion loss, high isolation andreturn loss | ||||
SAT-IF-PATHs to the subscribers are active and supplied by the receiver | ||||
Sheet metal housing with plastic holder | ||||
Design good for indoor usage |
Specification:
Item | Typical | QC Limit | Remark | |
Frequency Range | Terr.:47~862MHz SAT:950~2150MHz | |||
Inputs | 16 SAT+1 Terr. | F connectors | ||
Outputs | 16 Receiver | F connectors | ||
Thru Loss | Terr. | 4dB | 5dB | |
SAT | 4dB | 5dB | ||
TAP Loss | Terr. | 6dB | 8dB | |
SAT | 3dB | 5dB | ||
Return Loss | Terr. | 12dB | 10dB | |
SAT | 12dB | 10dB | ||
Stop band attenuation | Terr. | 28dB | 25dB | |
SAT | 28dB | 25dB | ||
Isolation | H/V | 30dB | 25dB | |
REC-REC | 30dB | 25dB | ||
Power Adapter | IN:100~240V OUT:18V 2000mA | |||
Dimensions (L,W,H) | 362×208×42 | mm |


Notice:
1. Locate the multiswitch indoors. Do not expose it to rain and direct solar radiation. Fix it to the wall by using suitable screws.
• Ensure a free space of 20 cm (7.8 inch) on each side of the unit, upwards a clearance at least 50 cm (19.7 inch).
• Choose an installation place where there is a possibility in case of emergency to get to mains plug and remove it out of the outlet.
2. for the big SMATV system, you need to install BMS1717E trunk amplifier to amplfy the signal to compensate the transmission signal loss.
3. At the big SMATV system end, it better to use the BMS1716E stand-alone multiswitch. If you want not to install the BMS1716E stand-alone multiswitch, Any unused output of the multiswitch must be terminated with 75 ohm resistor.
4. Do not open the multiswitch; otherwise there is a shock hazard.
2. for the big SMATV system, you need to install BMS1717E trunk amplifier to amplfy the signal to compensate the transmission signal loss.
3. At the big SMATV system end, it better to use the BMS1716E stand-alone multiswitch. If you want not to install the BMS1716E stand-alone multiswitch, Any unused output of the multiswitch must be terminated with 75 ohm resistor.
4. Do not open the multiswitch; otherwise there is a shock hazard.
Be sure with sufficient earthing of the aerials and aerial feeds.
5. This big SMATV system can support up to 512 subscribers.
Shipping and packing information:
1. inner white package plus outer carton.5. This big SMATV system can support up to 512 subscribers.
Shipping and packing information:
2. prompt delivery after order confirmed.
3. package size date:
Model | QTY/CTN | N. W.( KGS ) | G.W. ( KGS ) | SIZE ( cm ) |
BMS17174E | 10 | 13.1 | 14.1 | 48*44*32 |
BMS17178E | 10 | 14.1 | 15.1 | 48*44*32 |
BMS171712E | 10 | 16.3 | 17.3 | 48*44*32 |
BMS171716E | 10 | 18.3 | 19.3 | 48*44*32 |

Customer policy:
At Broadvision, we offer our customers the ability to ship via professional freighter, Next Business Day, and Second Day. Shipping rates are simply calculated based on the total weight of the items in your order and that total shipping amount is incorporated into our shopping cart application. We see this as an advantage to our customers because our shopping cart reflects a "total cost of order" while shopping. Saturday delivery is available in some areas.
1. We always ship the samples to our customer as soon as possible.
2. We always send the samples to our distinguished customer free of charge.
3. We always find the cheap but safety shipping solution for our customer.
The production process 17x17 x16 cascade multiswitch:




BroadVision Vision:

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