Televes OLT 769401, User Manual

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Descripción del producto
42
3.3.2 1GbE Ethernet Interfaces
These interfaces are deployed in the form of optical CSFP transceivers which use LC/PC connectors and have the following characteristics:
Optical 1000Base
Type 1000BASE-BX10-D
Laser type emitter
Longwave Laser
Operation Range (nm) TX 1480 to 1500
Operation Range (nm) RX
1260 to 1360
Spectral width Max (nm)
0.88 to 2.09
Minimum Side Mode Suppression Ratio
(dB)
-
Emission Power Max/min (dBm) to SMF
-3/-9
Min Extinction Ratio (dB) 6
Receiver Type
Attenuation Range (dB)
10.5
Sensibility (dBm) BER < 10-10 -19.5
Receiver Saturation (dBm)
-3
Maximum Penalization per optical course
(dB)
5.5
According to Recommendations IEEE 802.3, clause 59.
Table 3-4: Optical 1000Base interfaces characteristics
3.3.3 GPON Interfaces
ITU-T Recommendations G.984.2 + G.984.2 Amd 1 + G.984.2 Amd 2.
GPON OLT
Transceiver
Items Unit B+ C+
OLT Tx OLT Tx
Nominal bit rate
Mbit/s 2488.32 2488.32
Operating wavelength
nm 1480-1500 1480-1500
Line code -- Scrambled NRZ Scrambled NRZ
Minimum ORL
dB >32 >32
Mean launched power
MIN
dBm +1.5 +3
Mean launched power
MAX
dBm +5 +7
Extinction ratio
dB >8.2 >8.2
Tolerance to the
transmitter incident
light power
dB >-15 >-15
SLM Laser – MAX −20 dB
width
nm 1 1
SLM Laser – MIN SMSR
dB 30 30
OLT Rx OLT Rx
Nominal bit rate
Mbit/s 1244 1244
Upstream operating
Wavelength
nm 1260-1360 1260-1360
Maximum reflectance of
equipment, measured at
Rx wavelength
dB <-20 <-20
Bit error ratio
-- <-10
-10
-10
-4**
Minimum sensitivity dBm -28 -32**
Minimum overload
dBm -8 -12**
Downstream optical
penalty
dB 0.5 1
Consecutive identical
digit immunity
bit >72 >72
Tolerance to reflected
optical power
dB <10 <10