• 1310nm Outdoor Optical Transmitter
  • Model Number: STR1310
  • Brand: SOFTEL
  • MOQ: 1 PCS
 

Product Summary

STR1310 outdoor laser transmitter (Relay station) is our featured product. With years accumulated HFC network engineering practice and equipment development experiences, specifically developed for 1310nm outdoor optical emission or optical relay transmission. The successful development of this product provides an economical and practical solution for the 1310nm outdoor optical emission or optical relay transmission in CATV engineering practice.


Performance Characteristics

■ Photoelectric conversion part adopts the latest imported brand-name optoelectronic integrated receiver module;
■ Optical emission part adopts the latest imported brand high performance DFB laser; provide high quality signal transmission for the CATV network.
■ Build-in RF driver amplifier and control circuit to ensure the low noise and intermodulation index; and can output two ways high quality RF signal to cover the local users.
■ Perfect and reliable optical power output stabilizing circuit and built-in high-power electric heating cooler, enable the working ambient temperature difference up to ± 40 ° C, ensure the best performance of the machine and the long life steady operation of the laser.
■ LCD status display, the main working parameters are clear at a glance.
■ Compact and reasonable process structure, convenient installation and debugging, stable and reliable performance.
■ The equipment can work steadily outdoor under bad environmental condition, because of large cast aluminum waterproof case, high reliability switching power supply and strict lightning protection system.


Technique Parameter
Item
Unit
Technical Parameter
Optical Receiver Part
Input Optical Power
mw
0.3~1.6(-5dBm~+2dBm)
Optical Connector Type
 
FC/APC or SC/APC
Optical Return Loss 
dB
>45
Frequency Range
MHz
47~862
Flatness In Band
dB
±0.75
RF Output Level
dBμV
≥96(when the input optical power is-2dBm)
Level Adjustment Range
dB
0~15
RF Characteristic Impedance
Ω
75
Return Loss
dB
≥ 16(47~550)MHz;≥ 14(550~750/862MHz)
C/CTB
dB
≥ 65
C/CSO
dB
≥ 60
C/N
dB
≥ 51
AGC Control Range
dB
±8
MGC Control Range
dB
±8
Optical Transmitter Part
Output Optical Power
mW
4, 6, 8, 10, 12, 14, 16 or specified by the user
Optical Link
dB
Defined according to optical power
Optical Modulation Mode
 
Direct optical intensity modulation
Operating Wavelength
nm
1310±20
Optical Connector Type
 
FC/APC or SC/APC,SC/UPC
Channel Number
 
84
C/N
dB
≥51
C/CTB
dB
≥65
C/CSO
dB
≥60
RF Input Level
dBμV
75~85(Input level used as optical transmitter)
Input Laser Level
dBμV
93~98(Laser input level used as relay station)
Flatness In Band
dB
±0.75
Generic  characteristic
Power Voltage
V
AC:(85~250V)/50 Hz or(35~75V)/50Hz
Consumption
W
<75
Operating Temperature
-25 ~ +50
Storage Temperature
-20 ~ +65
Relative Humidity
%
Max 95% No Condensation
Dimension
mm
537(L) 273(W) 220(H)
 

Optical Link Carrier to Noise Ratio Degradation Table
 
Link loss(dB)
    Optical power
4
5
6
7
8
9
10
11
12
13
14
15
16
4 mW
53.8
52.8
51.8
51.0
50.1
49.2
48.2
 
 
 
 
 
 
6 mW
 
 
 
53.0
52.0
51.0
50.1
49.1
48.1
 
 
 
 
8 mW
 
 
 
 
52.8
51.9
51.0
50.1
49.1
48.2
 
 
 
10 mW
 
 
 
 
 
52.9
51.9
51.0
50.1
49.1
48.2
 
 
12 mW
 
 
 
 
 
 
52.7
51.8
50.8
49.9
49.0
48.0
 
14 mW
 
 
 
 
 
 
 
52.4
51.5
50.5
49.5
48.6
47.8
16 mW
 
 
 
 
 
 
 
 
52.0
51.0
50.1
49.1
48.1
 
    
Block Diagram




Structure specification

1. Optical fiber input 

2. RF input (used as optical transmitter)                  

3. -20dB input RF test port (used as optical transmitter)

4. AGC control range adjustment

5. Manual gain control potentiometer

6. Forward fixed ATT inserter

7. Forward fixed EQ inserter 

8. Forward tap and splitter

9. Overcurrent inserter 1

10. RF Output 1

11. RF Output 2

12. AC 60 Power input

13. Overcurrent inserter 2

14. -20dB Laser input RF test port

15. Power Connection 16. LCD Display Screen

17. Main Board power input 1

18. A/M switch button

19. Photosensitive device

20. Microprocessor operation instructions

21. Main Board power input 2

22. Switch power supply