＊ 1310nm Optical Transmitter GFS1310F-B+
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1. Brief Introduction
1310nm Optical Transmitter GFS1310F-B+ / GFS1310F-BN+ is designed for use in HFC network. It functions to convert RF signal into 1310nm optical signal in order to enhance performance and reliability of HFC network. Compared to RF signal, transmission distance is largely extended.
2. Product Features
? 1310nm wavelength, 47~862MHz RF frequency.
? Adopts high quality DFB laser to ensure good performance and high reliability.
? Two-Stage amplification for RF. Input level could be as low as 70dBμV.
? AGC circuit stabilizes laser's RF input level to keep optical transmitting power stable.
? Uniquely designed pre-distortion correction circuit enhances performance.
? Overload protection and overheating protection functioned for DFB laser.
? RF Test Point is built on front panel to monitor laser's RF input level.
? SNMP net-management module optional. Connected to computer through RJ45 port and with software installed on computer, transmitter's working parameters could be monitored and configured.
? Standard 19' one rack unit chassis.
3.Technical Specifications
Optical |
Unit |
Specifications |
Wavelength |
nm |
1310 ±20 |
Laser Type |
- |
DFB Laser |
Output Power |
mW |
4 / 6 / 8 /10 / 12 / 14 / 16 / 18 / 20 for option. |
Optical Reflection Loss |
dB |
≥45 |
Connector Type |
- |
SC/APC or FC/APC |
Optical Link Performance |
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C/N |
dB |
≥51 |
C/CSO |
dB |
≥61 |
C/CTB |
dB |
≥65 |
Tested with optical receiving power at 0dBm. |
RF |
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Modulation Type |
- |
AM |
Frequency |
MHz |
47 ~ 862 |
Allowable Input Range |
dBμV |
70 ~ 80 |
Rated Input Level |
dBμV |
75 |
AGC Range |
dB |
± 5 / ± 1 |
Return Loss |
dB |
≥16 @ 47~550MHz
≥14 @ 550~862MHz |
RF Test Point |
dB |
-20 ±1.5, compared to Laser's input level. |
Impedance |
Ω |
75 |
Connector Type |
- |
Female F connector |
Net-Management |
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Port |
- |
10/100 Ethernet Port RJ45
(This function is applicable to GFS1310F-BN+ only) |
Power Supply |
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Power Supply |
V |
AC 90 ~ 260 V/50Hz |
Power Consumption |
W |
≤30 |
Environmental |
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Working Temperature |
≧ |
0 ~ +40 |
Relative Humidity |
- |
5 ~ 90% |
Mechanical |
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Dimensions |
mm |
482 x 380 x 44 (19', 1RU) |
Weight |
kg |
≤3.5 |
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