Terra OT301, OR301, OR301M User Manual
Product description
The optical transmitters series OT and the optical receivers series OR are intended to distribute SAT IF and DTT (Digital
terrestrial TV) signals through a bre optic.
The transmitter OT301 converts 2 SAT IF sub-bands and DTT band into an optical signals.
AGC (automatic gain control) provides for automatically controlled constant RF level to the laser.
The receivers OR301, OR301M convert optical signals into 2 SAT IF sub-bands and DTT band.
OLC (optical level control) provides for xed RF output level at different level of optical input.
Receiver with letter M (OR301M) have built-in multiswitch (quad outputs).
The product is intended for indoor usage only.
Coding explanation of receiver
Optical transmitter OT301
Optical receivers OR301, OR301M
01 – series
OT - optical transmitter
OR - optical receiver
OR 3 01 M
M (only for receivers) - Multiswitch type output (quad).
3 - 3 cable system 2 SAT IF signals and DTT signals.
Draugystes str. 22, LT-51256 Kaunas, Lithuania, tel.: +370 37 - 31 34 44, fax: +370 37 - 31 35 55
E-mail: sales@terraelectronics.com, http://www.terraelectronics.com
Vers. 1.01
2
11
INSTALLATION
Requirements for external power supply unit (PSU)
• Short circuit protection
• Double insulated (marked )
• Meet EN 55022 class B conducted emisions requirements, measuring with grounded load
Transmitter Receiver
Output voltage range
+12 V ± 1 V
+12 V min ...+20 V max
Output current > 1.25 A > 0.5 A
Output connector pin (range 0.5...0.75 mm2) type 3.5/1.35 EP (+) plug
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