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Troubleshooting

En_8

Indicator Status

Meaning

Possible Cause

Corrective Action

Power LED

Light

Power is being applied
to the module.

---

No action required.

Not Light

Power is not being
applied to the module.

Check power connection.
If module is rack mounted,
reseat module or power
supply as necessary.

Power connection is
faulty.

Power supply has failed.

Replace power supply.

Loss of power occurs due
to tripped circuit
breaker(s), blown fuse(s),
or faulty electrical
service.

Check circuit breaker(s),
fuse(s), or electrical 
service as necessary.

LED indicators on the front-panel of the transmitter/receiver allow you to monitor signal status, 

laser status, data activity, contact closure activation, and operating power. Table A~D provide

information about the front-panel indicators and associated troubleshooting guidelines.

Table A: Power Links

Indicator Status

Meaning

Possible Cause

Corrective Action

Video LED(VIDEO 1,VIDEO 2....)

Light

Incoming video signal
is present on thechannel.

---

No action required.

Not Light 
on Transmitter

Incoming video signal
is not present on the
channel.

Check power connection
to the video source.

Video source is not
powered on.

Video source is not
connected to the
transmitter.

Check BNC connections.

Coaxial cable is
defective.

Replace cable.

Table B: Video Links

Not Light 
on Receiver

Incoming video signal
is not present on the
channel.

Optical signal is not
being received from the
transmitter. Optic Fault
LED is also not light.

Refer to the Optic Fault 
LED section in this table.

Video source is not
powered on.

Check power connection 
to the video source.

Video source is not
connected to the 
transmitter.

Check BNC connections.

Coaxial cable connected
to the transmitter is
defective.

Replace cable.

Website:www.voscom.com

Summary of Contents for VOS-1110FFDMT

Page 1: ...VOS 1110FFDT R series 1 Channel Video 1 Simplex Audio 1 Duplex Data Installation Manual Fiber Optic Transmission Systems VOSCOM TECHNOLOGIES CO LIMITED WWW VOSCOM COM TM...

Page 2: ...on or pinched particularly at plugs convenience receptacles and the points where they exit from the apparatus 13 Refer all servicing to qualified service personnel Servicing is required when the appar...

Page 3: ...on distance is also limited by fiber bandwidth Power adapter is manufactured by third party and is supplied with fitted screw terminal output cables Power adapter included for standalone US European U...

Page 4: ...channel Also since each video channel is factory terminated to 75 ohm unused BNCs should not be used for loop through video connections 4 Audio Connector Terminal Block analog audio input Transmitter...

Page 5: ...ontact us support voscom com 4 Pin Terminal Block Pin Conect Data Rs485 A Conect Data Rs485 B None Input Output 1 2 3 4 DATA 1 2 3 4 Input Output Conect Ground GND Input Output 4 Pin Terminal Block Pi...

Page 6: ...ceiver Audio 1 Channel Simplex Audio Connection Output Transmitter Audio 1 Channel Simplex Audio Connection Input Input Input Output Output NOTE AUDIO SIGNAL AND IMPEDANCE MODE 1 Audio Signal The audi...

Page 7: ...he unit can be placed on a desktop or can be mounted to a wall NOTE Before mounting the VOS 1110FFDT transmitter VOS 1110FFDR receiver please ensure that there is adequate space at both ends for viewi...

Page 8: ...ER LED indicator that illuminates when power is applied to the rack unit 5 Fiber optic plug in modules video cards can be installed into any of the available 14 slots of the card cage Most modules req...

Page 9: ...rs and associated troubleshooting guidelines Table A Power Links Indicator Status Meaning Possible Cause Corrective Action Video LED VIDEO 1 VIDEO 2 Light Incoming video signal is present on thechanne...

Page 10: ...Data is not present on the channel No action required Data connection is faulty Check data connections Data communication cable is defective Replace cable The optical signal is not being received Rem...

Page 11: ...repair replacements nonwarranty repairs advance replacements and credit returns To obtain an RMA Download from www voscom com and please complete the RMA as much detail as possible then send the RMA t...

Page 12: ...repair department will evaluate the returned product to determine whether it is a warranty or non warranty replacement and bill you accordingly We will invoice advance replacements at shipment and cre...

Page 13: ...ut notice 2 You can download the latest PDF document here www voscom com 3 Online Technical Support please E mail support voscom com 4 More detail product information please E mail sales voscom com or...

Page 14: ...R MOISTURE DO NOT LOOK INTO OPTICAL PORTS WITH POWER ON Headquarters Information Distributor Information VOSCOM TECHNOLOGIES CO LIMITED Hangzhou Zhejiang P R CHINA 310004 Tel 86 571 87389389 Fax 86 57...

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