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Guangdong Donyan Network Technologies Co., Ltd.

Optical Transmitter, 1550, CATV Transmitter manufacturer / supplier in China, offering Aot155A CATV 1550nm External Modulation Optical Transmitter, Vista-B13-201 Ace 1ge Desktop FTTH Gpon ONU, Vista-B13-504 Ace 4fe + CATV FTTH Gpon ONU and so on.

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Supplier Homepage Product HFC Standalone Device Aot155A CATV 1550nm External Modulation Optical Transmitter

Aot155A CATV 1550nm External Modulation Optical Transmitter

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Shenzhen, China
Transport Package: Carton
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: AOT155A
  • Function: Signal Transmitting Device
  • Condition: New
  • Weight: 7kgs
  • Input Power: 80±5dbuv/Channel @ 59 PAL Chs
  • Origin: China
  • Type: Transmitter
  • Certification: ISO
  • Dimension: 370 mm(L)X480mm(W)X44mm(H)
  • Output Power: 7dBm/9dBm
  • Trademark: ACE
  • HS Code: 8517622100
Product Description
1550nm External Modulation Optical Transmitter

AOT155A is a 1550nm external modulated optical transmitter, which uses DFB laser diode as optical source, transmitting video and voice by external modulator in AM-VSB mode, then changing into electrical signal by optical receiver, at last distributing to users.

1. 1U 19" standard rack
2. Pre-distortion correction
3. 45~870/1000MHz operating bandwidth
4. Narrow-linewidth DFB laser, available ITU wavelength
5. Dual optical output ports, output power of each path not less than 7dBm or not less than 9dBm
6. Adjustable or optional SBS function (13dBm~19dBm)
7. AGC and MGC
8. Sophisticated ATC and optical APC circuitries
9. RJ45 port which complies with standard SNMP protocol
10. Dual power supply available
11. Parameter and alarm are shown in LCD

Block Diagram
Aot155A CATV 1550nm External Modulation Optical Transmitter

Optical Specification
Laser TypeDFB
Wavelength (nm)1550±5nm or optional ITU wavelength
Optical Return Loss (dB)≥45dB
Optical Output Power (dBm)≥7 or 9 dBm (two ports)
ConnectorFC/APC or SC/APC
RF Specification
Working Bandwidth (MHz)45-862/1000MHz
RF Flatness(dB)±0.75dB
RF Output Level (dBuV)80±5dBuV/ch(59-PAL channel)
RF Input Return Loss (dB)≥16dB (47~550MHz), ≥14dB (550~862/1000MHz)
RF Resistance75Ω
RF Level at Test PortInput level -20±1dB
*Test Condition:
1. Test fiber link is made up of tested 1550 optical transmitter, optical amplifier, 65km fiber, tunable attenuator and standard optical receiver.
2. Input level of optical transmitter is 80dBuV/ch (77-NTSC channel + 320MHz digital signal), OMI (Optical Modulation Index) is around 3.0 % 0.3 %. Input power of optical receiver is 0dBm
3. Test signal source is a stand NTSC signal, test in continuous wave (CW).
General Specification
HeightStand 19" 1U rack
Working Temperature0°C~+50°C
Storage Temperature-20°C~+70°C
Power90-260VAC, 50/60Hz
Power Consumption100W (max)
Dimension370 mmX480mmX44mm(LxWxH)
Weight7 kg

Aot155A CATV 1550nm External Modulation Optical Transmitter
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