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Middle Stage Access EDFA Optical Amplifier
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Middle stage access (MSA) EDFA can effectively solve the insertion loss caused by DCM and OADM, offset the DCM and OADM bands. The resulting insertion loss reduces the additional degradation of the system OSNR.
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Middle Stage Access EDFA Optical Amplifier

With the application of long-distance systems becoming more and more extensive, our company's self-developed middle stage access (MSA) EDFA. Middle stage access (MSA) EDFA can effectively solve the insertion loss caused by DCM and OADM, offset the DCM and OADM bands. The resulting insertion loss reduces the additional degradation of the system OSNR.
middle stage access

optical signal overall amplification              EDFA
  • C-band optical signal overall amplification
  • Wide operating wavelength range:1528nm~1565nm
  • Covering the wavelength range of 1528 ~ 1565nm
  • Low noise figure: typ 5dB
  • Support systems to achieve different cross-section
            radio repeater transmission 
  • Excellent gain flatness
  • Multiple operating modes:
                        AGC adjustable Gain

                        APC output is adjustable

                        ACC voltage adjustable
  • Mid-stage access for DCM or OADM
  • Offset the insertion loss introduced by DCM
  • Reduce the additional degradation of system OSNR
  • Optional OSC channel for remote management
  • MON port, on-line monitoring optical power and OSNR



Middle stage access (MSA) EDFA models include an additional mid-stage port designed for insertion of a Dispersion Compensation Management (DCM) unit without its inherent insertion loss.

The design of these models maximizes the DCM benefits to increase deployment flexibility. New placement options require fewer amplifiers in the link, and they can open the door to applications that were not possible with older technology.
middle stage access
optical signal overall amplification

Performance Parameter
ParameterMin.TypicalMax.Unit
Operating Wavelength15281565nm
Output Power22dBm
Gain833dB
Input PowerBA-10Max.Output -GaindBm
PA/LA（Max.input-29）Max.Output -Gain
Noise Figure5.0dB
Gain Flatness1.0dB
Input Threshold-34Can be adjusteddBm
Polarization Dependence Loss0.3dB
Polarization Dependence Gain0.4dB
Polarization Mode Dispersion0.5ps
Pump Power Leakage-29dBm
Return Loss45dB
EDFA Size191 (W) x 253 (D) x 20 (H)mm
EnvironmentOperating Temperature-10℃ ~ 60℃℃
Storage Temperature-40℃ ~ 80℃℃
Relative Humidity5% ~ 95% Non-condensing
Power Consumption≤15w



                                      EDFA
middle stage access





Common Module
ModelDescriptionGain dBMax.Output
dBm		Min.Input
dBm		Max.Input
dBm		Typ.NF
dB
Booster
BA16/G12Booster, Max.Output 16dBm, Gain 12dB, With OSC12dB16dBm-10dBm4dBm5dB
BA16/G12NSBooster, Max.Output 16dBm, Gain 12dB, Without OSC12dB16dBm-10dBm4dBm5dB
BA20/G12Booster, Max.Output 20dBm, Gain 12dB, With OSC12dB20dBm-10dBm8dBm5dB
BA20/G12NSBooster, Max.Output 20dBm, Gain 12dB, Without OSC12dB20dBm-10dBm8dBm5dB
Bidi Booster
BA16/G12BBidi Booster, Max.Output 16dBm, Gain 12dB, With OSC,
Pass 1528~1543 ( Blue ) , Reflection  1547~1561nm ( Red )		12dB16dBm-10dBm4dBm5dB
BA16/G12NSBBidi Booster, Max.Output 16dBm, Gain 12dB, Without OSC, Pass 1528~1543 ( Blue ) , Reflection  1547~1561nm ( Red )12dB16dBm-10dBm4dBm5dB
BA20/G12BBidi Booster, Max.Output 20dBm, Gain 12dB, With OSC,
Pass 1528~1543 ( Blue ) , Reflection  1547~1561nm ( Red )		12dB20dBm-10dBm8dBm5dB
BA20/G12NSBBidi Booster, Max.Output 20dBm, Gain 12dB, Without OSC, Pass 1528~1543 ( Blue ) , Reflection  1547~1561nm ( Red )12dB20dBm-10dBm8dBm5dB
BA16/G12RBidi Booster, Max.Output 16dBm, Gain 12dB, With OSC, Pass 1547~1561nm ( Red ) , Reflection 1528~1543 ( Blue )12dB16dBm-10dBm4dBm5dB
BA16/G12NSRBidi Booster, Max.Output 16dBm, Gain 12dB, Without OSC, Pass 1547~1561nm ( Red ) , Reflection 1528~1543 ( Blue )12dB16dBm-10dBm4dBm5dB
BA20/G12RBidi Booster, Max.Output 20dBm, Gain 12dB, With OSC, Pass 1547~1561nm ( Red ) , Reflection 1528~1543 ( Blue )12dB20dBm-10dBm8dBm5dB
BA20/G12NSRBidi Booster, Max.Output 20dBm, Gain 12dB, Without OSC, Pass 1547~1561nm ( Red ) , Reflection 1528~1543 ( Blue )12dB20dBm-10dBm8dBm5dB
Pre-Amplifier
PA16/G20Pre-Amplifier, Max.Output 16dBm, Gain 20dB, With OSC20dB16dBm-29dBm-4dBm4.5dB
PA16/G20NSPre-Amplifier, Max.Output 16dBm, Gain 20dB, Without OSC20dB16dBm-29dBm-4dBm4.5dB
PA16/G20-8Midstage access Pre-Amplifier, Max.Output 16dBm, Gain 20dB, With OSC, Mid-access loss 8dB20dB16dBm-29dBm-4dBm5dB
PA16/G20NS-8Midstage access Pre-amplifier, Max.Output 16dBm, Gain 20dB, Without OSC, Mid-access loss 8dB20dB16dBm-29dBm-4dBm5dB
PA16/G25Pre-Amplifier, Max.Output 16dBm, Gain 25dB, With OSC25dB16dBm-29dBm-9dBm4.5dB
PA16/G25NSPre-Amplifier, Max.Output 16dBm, Gain 25dB, Without OSC25dB16dBm-29dBm-9dBm4.5dB
PA16/G25-8Midstage access Pre-Amplifier, Max.Output 16dBm, Gain 25dB, With OSC, Mid-access loss 8dB25dB16dBm-29dBm-9dBm5dB
PA16/G30-8Midstage access Pre-Amplifier, Max.Output 16dBm, Gain 30dB, With OSC, Mid-access loss 8dB30dB16dBm-29dBm-14dBm5dB
PA16/G25NS-8Midstage access Pre-Amplifier, Max.Output 16dBm, Gain 25dB, Without OSC, Mid-access loss 8dB25dB16dBm-29dBm-9dBm5dB
PA16/G30NS-8Midstage access Pre-Amplifier, Max.Output 16dBm, Gain 25dB, Without OSC, Mid-access loss 8dB30dB16dBm-29dBm-14dBm5dB
In-Line-Amp
LA16/G20In-Line-Amp, Max.Output 16dBm, Gain 20dB, With OSC20dB16dBm-29dBm-4dBm5dB
LA16/G20NSIn-Line-Amp, Max.Output 16dBm, Gain 20dB, Without OSC20dB16dBm-29dBm-4dBm5dB
LA16/G20-8Midstage access In-Line-Amp, Max.Output 16dBm, Gain 20dB, With OSC, Mid-access loss 8dB20dB16dBm-29dBm-4dBm6dB
LA16/G20NS-8Midstage access In-Line-Amp, Max.Output 16dBm, Gain 20dB, Without OSC, Mid-access loss 8dB20dB16dBm-29dBm-4dBm6dB
LA20/G20In-Line-Amp, Max.Output 20dBm, Gain 20dB, With OSC20dB20dBm-29dBm0dBm5dB
LA20/G20NSIn-Line-Amp, Max.Output 20dBm, Gain 20dB, Without OSC20dB20dBm-29dBm0dBm5dB
LA20/G20-8Midstage accessIn-Line-Amp, Max.Output 20dBm, Gain 20dB, With OSC, Mid-access loss 8dB20dB20dBm-29dBm0dBm6dB
LA20/G20NS-8Midstage access In-Line-Amp, Max.Output 20dBm, Gain 20dB, Without OSC, Mid-access loss 8dB20dB20dBm-29dBm0dBm6dB
LA16/G25In-Line-Amp, Max.Output 16dBm, Gain 25dB, With OSC25dB16dBm-29dBm-9dBm5dB
LA16/G25NSIn-Line-Amp, Max.Output 16dBm, Gain 25dB, Without OSC25dB16dBm-29dBm-9dBm5dB
LA16/G25-8Midstage accessIn-Line-Amp, Max.Output 16dBm, Gain 25dB, With OSC, Mid-access loss 8dB25dB16dBm-29dBm-9dBm6dB
LA16/G25NS-8Midstage access In-Line-Amp, Max.Output 16dBm, Gain 25dB, Without OSC, Mid-access loss 8dB25dB16dBm-29dBm-9dBm6dB
LA20/G25In-Line-Amp, Max.Output 20dBm, Gain 25dB, With OSC25dB20dBm-29dBm-5dBm5dB
LA20/G25NSIn-Line-Amp, Max.Output 20dBm, Gain 25dB, Without OSC25dB20dBm-29dBm-5dBm5dB
LA20/G25-8Midstage access In-Line-Amp, Max.Output 20dBm, Gain 25dB, With OSC, Mid-access loss 8dB25dB20dBm-29dBm-5dBm6dB
LA20/G25NS-8Midstage access In-Line-Amp, Max.Output 20dBm, Gain 25dB, Without OSC, Mid-access loss 8dB25dB20dBm-29dBm-5dBm6dB





DWDM Series Chassis

EDFAoptical signal overall amplificationEDFA

middle stage accessoptical signal overall amplificationEDFA



DWDM Series Chassis is the foundation for deploying and managing the multi-service mixed-media solutions.
DWDM Series Chassis Optional
CH04 Chassis: 482.5(W) x 350(D) x 44.5(H) mm1U19-inch chassis1 network management slot3 universal service slots
CH08 Chassis: 482.5(W) x 350(D) x 89(H) mm2U19-inch chassis1 network management slot7 universal service slots
CH20 Chassis: 482.5(W) x 350(D) x 222.5(H) mm5U19-inch chassis1 network management slot19universal service slots
Power Consumption: 1U <120W,  2U<200W,  5U<400W
Support SNMP, Web, CLI multiple network management modes
Support dual power supply redundancy protection, Power supply support AC: 220V / DC: -48V optional




DWDM Series Chassis support multiple service intermixing:
4x100G to 400G Muxponder4x25G to 100G Muxponder100G SOA Optical Amplifier Card
2x100G to 200G Muxponder25G OEOEDFA Card  (Single fiber or dual fiber version)
100G Transponder10G SFP+OEOOLPOpticalLineProtection (Single fiber or dual fiber version)
40G/100G OEODispersion Compensation Module4/8/16/40/48Channel DWDM MUX/DEMUX, or OADM Card