OFS-T5100E
External Modulated Transmitter![OFS-T5100E]( "OFS-T5100E")
Description
The OFS-T5100E external modulated 1550nm transmitter is designed for HFC networks applications. It can optionally be equipped with an integrated EDFA for CATV applications such as super-trunk, hub Interconnects, video overlays In FTTx networks .
The unit is available in a standard 19”,1 rack unit chassis , with dual optical output, optional ITU-T wavelength for DWDM networks.
Features
l Selectable AGC (automatic gain control) or MGC (manual gain control)
l Accepts low signal input levels (75dBμV/Channel @ 77 ch NTSC)
l Unique simultaneously SBS/SPM suppressing
l Front panel LCD display
l Microprocessor control and monitor
l RS-485 interface for remote monitoring and control
l 45~870 MHz bandwidth
l Patent RF pre-distortion circuit for excellent CNR and low distortion performance
l Changeable cooling fan
Application
l Broadcast or narrowcast transmission at long or extended distances
l Hub Interconnects Of Redundant Ring Architectures
Video Overlays In FTTx Networks.
Specifications
Description | Unit | Value | Conditions / Notes |
Optical Specifications |
Laser Type |
| Cooled DFB LD with isolator |
|
Optical Wavelength | nm | 1555 ± 5 |
|
Connector Type |
| SC/APC or FC/APC |
|
Laser RIN Noise Density | dB/Hz | ≥-160 |
|
Optical Power | dBm | ≤7 / 9 (Optional) |
|
Optical Output Port |
| 2 |
|
SBS Suppression Threshold | dBm | 13、16、18 optional |
|
RF Specifications |
Operating Bandwidth | MHz | 45 to 870 |
|
RF Input Impedance | Ω | 75 | unbalanced |
RF Input Return Loss | dB | ≤-16 |
|
RF Input Level | dBµV/ch | 15 to 25 (80 dBµV/ch nominal value @ 77 NTSC channels loading) |
|
CNR | dB | 52 (typical) | Link budget is defined by output power to 0 dBm optical input at receiver under 65km fiber link + EDFA、SBS setting=16dBm test conditions. |
CSO | dBc | ≤ -65 @ Port1 ≤ -63 @ Port2 |
CTB | dBc | ≤ -65 dBc |
XM | dB | ≤ -65 dB |
OMI |
| 3% ± 0.25 |
|
Flatness | dB | ≤± 0.75 |
|
Connector Type |
| F type female |
|
Test Point | dB | -10 ± 1 | Relative to RF input power to laser @59CH PAL-D CW loading |
General Specifications |
Control Interface |
| RS-485 or Ethernet |
|
Power Supply |
| 90 to 260 VAC, 50/60 Hz, 100W（Max.） |
|
Operating Temperature | ℃ | 0 to +50 |
|
Storage Temperature | ℃ | -20 to +60 |
|
Operating Humidity | % | 85% Max |
|
Dimensions: (HxWxD) | mm | 49 x 480 x 350 |
|
Ordering Information
Product Item | Description |
OFS-T5100E-07-S2-D2 | Dual 7dBm optical output，SC/APC connector，860MHz bandwidth，F type female RF input, Dual 220VAC power , Ethernet-Based SNMP network management, Adjustable SBS threshold, ITU DWDM channel 34 wavelength. |
OFS-T5100E-09-S2-D2 | Dual 9dBm optical output，SC/APC connector，860MHz bandwidth，F type female RF input, Dual 220VAC power , Ethernet-Based SNMP network management, Adjustable SBS threshold, ITU DWDM channel 34 wavelength. |