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The main function of OA (Optical Amplifier) card launched by Sintai Communication is to compensate the power of signal light in the transmission link, it can amplify the optical signals of up to 48 channels in C-band (channel spacing of 100GHz) or 96 channels (channel spacing of 50GHz) at the same time, and has the features of gain flatness, adjustable gain and small noise index. Meanwhile, the card has built-in OSC optical monitoring channel to support OSC-based DCN communication, which is an indispensable part of DWDM system and future high-speed system, all-optical network long-distance transmission.
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Suitable for optical terminal stations (OTM), used as booster amplifier for multiplexed signals and pre-amplifier for demultiplexed signals
Suitable for optical relay stations (OLA) to amplify bi-directional transmission signals and extend the transmission distance
Optical Amplifier Card (OA) | |||
Slot number | 1 slot | ||
EDFA | ● Optional built-in 1*EDFA (BA, PA, LA parameters optional) ● Optional built-in 2*EDFA (BA, PA, LA parameters optional) | ||
OSC | ● Optional without OSC ● Optional built-in 1*OSC ● Optional built-in 2*OSC ● Working wavelength: 1510nm ● Working rate: 1.25Gb/s | ||
VOA | ● Optional built-in VOA, the same number as EDFA ● Location: EDFA front input ● Inherent insertion loss: <1dB ● Adjustment range: 0 ~ 15dB ● Power down state is inherent insertion loss | ||
MON Monitoring port | Standard, optical power difference between MON and main optical channel 21~23dB | ||
OTDR Measurement port | ● Optional, the number of ports is the same as the line interface ● OTDR signal wavelength: 1625nm ● OTDR channel loss: <1dB | ||
EDFA Parameter | |||
20G17 | 20G25 | 20G30 | |
Wavelength range(nm) | 1528~1568 | 1528~1568 | 1528~1568 |
Gain range(dB) | 14 ~ 20 | 22 ~ 28 | 27 ~ 33 |
Maximum total output optical power(dBm) | ≥20 | ≥20 | ≥20 |
Noise(dB) | ＜5.5 | ＜5.5 | ＜5.5 |
Gain flatness(dB) | ＜1.5 | ＜1.5 | ＜1.5 |
Polarization correlation loss(dB) | < 0.5 | < 0.5 | < 0.5 |
Input optical power detection range(dBm) | -23 ~ 8 | -31 ~ 0 | -36 ~ -5 |
Output optical power detection range(dBm) | -6 ~ 20 | -6 ~ 20 | -6 ~ 20 |
Reflection coefficient(dB) | ＜-30 | ＜-30 | ＜-30 |
Gain stability(dB) | ±0.5 | ±0.5 | ±0.5 |
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