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Email2: kally@optictrans.com
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OPR-1285S Single fiber Bi-directional FTTH Optical Receiver
   Content
Description
OPR-1285S is a latest version of bi-directional optical fiber CTAV terminal equipments. It contains an optical receiver and a reverse channel transmitter. Adopting WDM technology to realize bi-directional transmission in a single fiber, With high performance, reliability, low cost and compact design, it is especially suitable for HFC CATV bi-directional networks.

Features
(1) Excellent linearity, flatness and low return loss
(2) Compact construction, low power consumption
(3) WDM to achieve single fiber bi-directional transmission. Dual fiber bi-directional available (OPR-1285D)
(4) Single out (75Ω Impedance )
(5) Amplifying circuit adopts GaAS material

Technical parameters
Downstream signal path
Optical wavelength
800~1600nm
Optical input power range
-8~+1dBm
Recommend input power
-3~+1dBm
Optical connector
FC/APC, SC/APC optional
Fiber type
Single mode fiber
Frequency range
54/87~1GHz
Output return loss
≥16dB
Output level
≥85dBuV
Flatness
≤1dB
Output impedance
75Ω
C/N 59 channels
≥52dB
CTB 59channels
≤-68dB
CSO 59channels
≤-70dB
Upstream signal path
Centre wavelength
1310 nm 1550nm or 1610 nm
Laser type
FP or DFB
Optical output power
1~4mW
Optical connector
FC/APC, SC/APC optional
Fiber type
Single mode fiber
Frequency range
5~35/42/65 MHz
output return loss
≥14 dB
Input level
85~90 dBuV
Input impedance
75Ω
General
Power consumption
5W
Voltage
12V DC
RF connector(s)
F Female
Dimensions(L×W×H)(mm)
165×85×35
Operating Temp.
-45~+85°C
Weight
0.35kg
Remark: wavelength of upstream and down stream can be specified by users.
 
Block Diagram
 
Ordering information
OPR-1285S-A-B-C-D-E
A
B
C
D
E
Return
Laser type
Return Wavelength
Frequency Duplex
Return
Output Power
Fiber Optic Connector
F: FP laser
D: DFB Laser
29:1290nm
31:1310nm
59:1590nm
61:1610nm
O: others
35: 5~35MHz
42:5~42MHz
65:5~65MHz
O: others
1:Return Output Power 1mW
2:Return Output Power 2mW
3:Return Output Power 3mW
SA:SC/APC
SP:SC/PC
FA:FC/APC
FP:FC/PC
O:  Others
 
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