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FO-TX 2-EC, FO-TX 2-OPT, FO-RX 2-EC

07/2013

2/10

Safety instructions

Read this instruction manual

Keep this instruction manual. Always include this instruction manual when passing the product on to 
third parties.

Heed all warnings and follow all instructions in the instruction manual.

Do not clean the product with abrasives.

Do not place the product near any heat sources such as radiators, stoves or other devices (including 
amplifiers) that produce heat.

Only use attachments/accessories specified by Sennheiser.

Refer all servicing to qualified service personnel. Servicing is required if the product has been damaged 
in any way, objects have fallen inside, or the product does not operate properly.

To reduce the risk of short circuits, do not use the FO-RX 2-EC near water and do not expose it to rain or 
moisture.

The FO-TX 2-EC and FO-TX 2-OPT are weather-proof, but should not be exposed to extreme conditions, 
and should not be left standing in water.

Rechargeable cells should be disposed of in a dedicated battery recycling facility.

Replacement parts

When replacement parts are required, be sure the service technician uses replacement parts specified by
Sennheiser. Unauthorized solutions may result in fire, electric shock, or other hazards.

Intended use

Intended use of the product includes:

Having read these instructions especially the chapter “Safety instructions“.

Using the products within the operating conditions.

“Improper use” means using the products other than as described in this instruction manual, or under
operating conditions which differ from those described herein.

Delivery includes

FO-TX 2-EC and FO-TX 2-OPT

13 amp  Neutrik powerCON

Instruction manual

Note:

 The internal V-lock battery is not incluced in the delivery (see also on page 5).

FO-RX 2-EC

Sennheiser NT1-1 UK power supply unit (13.8 V

DC

/2A), Article No. 503874

DC link cable for powering the ASA 1 active antenna splitter

Instruction manual

Summary of Contents for FO-RX 2-EC

Page 1: ... fibre optical transmitters are designed to convert the UHF radio signals from two receiving antenna feeds and transmit the resulting signals down two cores of single mode optical fibre The transmitter can be powered by 240 VAC 12 VDC or via V lock battery inside the housing An internal switchable bias T will provide 12 V 200 mA to the antenna inputs for powering head amplifiers such as the AB 103...

Page 2: ...proof but should not be exposed to extreme conditions and should not be left standing in water Rechargeable cells should be disposed of in a dedicated battery recycling facility Replacement parts When replacement parts are required be sure the service technician uses replacement parts specified by Sennheiser Unauthorized solutions may result in fire electric shock or other hazards Intended use Int...

Page 3: ...3 Elements of the FO RX2 EC 6 1 4 Internal elements of the FO RX2 EC 7 1 5 Block diagram 7 2 Technical data 8 3 Important notes for using the devices 9 3 1 FO TX 2 EC and FO TX 2 OPT 9 3 1 1 Powering by DC using a 4 pin XLR socket 9 3 1 2 Powering by V lock battery 9 3 1 3 RF input powering 9 3 1 4 Exchanging the optical outputs 9 3 2 FO RX2 EC 9 4 Manufacturer declarations 10 ...

Page 4: ... mode 쐇 Weatherproof 1200 Peli case 쐋 AC IN mains Neutrik powerCON socket 쐏 12 V DC IN power supply unit socket XLR 4 male 쐄 FO TX2 OPT One Neutrik opticalCON DUO out socket FO TX2 EC Two E2000 APC fibre out sockets Note An opticalCON DUO E2000 APC adaptor will be available on request 쐂 RF in 12 VDC out socket A 쐆 RF in 12 VDC out socket B FO TX 2 EC FO TX 2 OPT ...

Page 5: ... 2 OPT FO RX2 EC 07 2013 5 10 1 2 Internal elements of the FO TX 2 EC FO TX 2 OPT 쐃 V lock battery not incluced in the delivery 쐇 Two DC switches for the fibre modules 쐋 Bias T switches 쐏 Programming port for fibre TX ...

Page 6: ...play for laser light level B 쐋 Bargraph display for the battery level 쐏 LED indicators for mains DC or battery powering mode 쐄 ON OFF button 쐂 E2000 APC fibre in socket A 쐆 EC2000 APC firbre in socket B 쐊 BNC RF out socket A 쐎 BNC RF out socket B 쐅 Two DC IN sockets for NT 1 1 power supply units 13 8 VDC 2 A max with strain relief 쐅 ...

Page 7: ...uppy status simultaneously to receiver channel A and B The receiver s front panel displays this signal Select your channel if you have connect one channel only or if you would check one connected channel separately 1 5 Block diagram FO RX2 EC FO TX 2 Optical A Optical B RF out A RF out B RF receiver RF in A RF in B Antenna A Antenna B BNC BNC BNC 25 km max BNC OPT OPT RF transmitting signal ...

Page 8: ... V Dimensions L x W x D max 110 x 73 x 45 mm Power consumption with DC power supply unit only without antennas 600 mA with AC mains supply only 18 W max RF inputs Type N 50 ohms Antenna DC supply 12 VDC max 200 mA Fibre connectors FO TX 2 EC Two E2000 APC fibre out sockets FO TX 2 OPT One Neutrik opticalCON DUO socket Housing type Weatherproof 1200 Peli case Dimensions L x W x D approx 260 x 246 x...

Page 9: ...itable qualified personnel 3 2 FO RX2 EC Supply the receiver with the Sennheiser NT 1 1 power supply unit only The two DC jack sockets are wired in parallel and are interchangeable Use the supported DC link cable for powering the ASA 1 active antenna splitter The two laser light level bargraph displays indicate the level of the light signal received down fibre channels A and B not the RF level tra...

Page 10: ...eiser com or contact your Sennheiser partner In compliance with RoHS Directive 2002 95 EC CE Declaration of Conformity R TTE Directive 1999 5 EC EMC Directive 2004 108 EC The declarations are available on our website at www sennheiser com Before putting the products into operation please observe the respective country specific regulations 10 ...

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