Datasheet

712 | Video Transmission Systems | Fiber Optic Video Transmission
1 AutoDome Series Pan/Tilt/Zoom Camera
2 Separate Video Signal Transmission Link
3 Bi-Phase Control Data Cable
4 Fiber Optic Data transceiver
5 Up to 3.5 km (2 miles) using 62.5/125 micron Multimode Fiber Op-
tic Cable
6 Controller Junction Box
7 Bi-Phase Control Data Cable
8 Data
9 Controller
10 Video
Technical Specifications
LTC 4641 and LTC 4642 Series
Models No. Description Power
Source
1
Requires
LTC 4641/60 Mini Video Trans-
mitter
120 VAC,
50/60 Hz
LTC 4642 Series
Receiver
LTC 4641/50 Mini Video Trans-
mitter
230 VAC,
50/60 Hz
LTC 4642 Series Re-
ceiver
LTC 4642/60 Video
Receiver
120 VAC,
50/60 Hz
LTC 4641 Series
Transmitter
LTC 4642/50 Video
Receiver
230 VAC,
50/60 Hz
LTC 4641 Series
Transmitter
LTC 4642/00 Video
Receiver, Rack
Module
LTC 4637
Rack
LTC 4641 Series
Transmitter
1. Appropriate external power pack supplied with surface-mount models or power provided
by LTC°4637 rack unit for rack-mount models.
Power Requirements (surface-mount versions only)
Transmitter 9–12 VDC @ 150 mA;
10–14 VAC @ 200 mA
Receiver 12 VDC @ 150 mA
Number of Fibers One (1)
Optical Budget 14 dB
Maximum Distance 4 km (2.5 miles)
Wavelength 850 nm
Optical Emitter LED
Transmitter Output Power 25 uW (–16 dBm)
Technology Type AM modulation, with AGC
Rack Slots Required when used with
LTC 4637 Rack
One (1),
(rack-mount version only)
Dimensions (surface-mount version)
Transmitter
(L x W x H)
6.4 x 4.1 x 2.5 cm
(2.5 x 1.6 x 1.0 in.)
Receiver
(L x W x H)
10.7 x 8.9 x 2.5 cm
(4.2 x 3.5 x 1.0 in.)
Video Bandwidth 5 Hz to 10 MHz
Differential Gain < 5%
Differential Phase < 5°
Tilt < 1%
Models No. Description Power
Source
1
Requires
Signal-to-Noise Ratio (SNR) > 55 dB @ 10 dB attenuation
> 60 dB @ 7 dB attenuation
Shipping Weight < 0.9 kg (2 lb)
MTBF > 100,000 hours
LTC 4744 and LTC 4745 Series
Models No. Description
Power Source
2
Requires
LTC 4744/60 4-ch. Video
Transmitter
120 VAC,
50/60 Hz
LTC 4745 Series
Receiver
LTC 4744/50 4-ch. Video
Transmitter
230 VAC,
50/60 Hz
LTC 4745 Series
Receiver
LTC 4744/00 4-ch. Video
Transmitter
Rack Module
LTC 4637
Rack
LTC 4745 Series
Receiver
LTC 4745/60 4-ch. Video
Receiver
120 VAC,
50/60 Hz
LTC 4744 Series
Transmitter
LTC 4745/50 4-ch. Video
Receiver
230 VAC,
50/60 Hz
LTC 4744 Series
Transmitter
LTC 4745/00 4-ch. Video
Receiver
Rack Module
LTC 4637
Rack
LTC 4744 Series
Transmitter
2. Appropriate external power packs supplied with surface-mount models or power provided
by LTC 4637 rack unit for rack-mount models.
Power Requirements
(surface-mount versions only)
+12 VDC @ 500 mA
Number of Fibers One (1)
Optical Budget 17 dB
Maximum Distance 3 km (1.9 miles)
Wavelength 1310 nm
Optical Emitter Laser diode
Technology Type 8-Bit digital video encoding
Rack Slots Required when used
with LTC 4637 Rack
Two (2), rack-mount version only
Dimensions (surface-mount versions)
Transmitter
(L x W x H)
17.8 x 12.5 x 2.5 cm
(7.0 x 4.9 x 1.0 in.)
Receiver
(L x W x H)
17.8 x 12.5 x 5.0 cm
(7.0 x 4.9 x 2.0 in.)
Video Bandwidth 10 Hz to 6.5 MHz
Differential Gain < 2%
Differential Phase < 0.7°
Tilt < 1%
Signal-to-Noise Ratio (SNR) 60 dB @ maximum optical loss budget
Shipping Weight < 0.9 kg (2 lb)
MTBF > 100,000 hours
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