Televes OLT 769401, User Manual

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3. System Specifications
This Chapter describes the OLT system specifications
3.1 OLT Equipment Chassis Features
Chassis Feature OLT-SYSTEM
ETSI 19’’ rack size 1U
Table 3-1: OLT Equipment Chassis Features
3.2 OLT Equipment Boards Features
Board features
Board Type Type of ports Nº of ports
Type of pluggable
module
Switching Fabric capacity
(Gbit/s)
OLT single board 1GE 8 (Max) SFP 64
OLT single board 10GE 4 SFP+ 64
OLT single board GPON 8 SFP B+/C+ 64
Table 3-2: OLT Equipment Board Features
3.3 Optical Interfaces
3.3.1 10GE Interfaces
These interfaces are deployed in the form of optical SFP+ transceivers which use LC/PC connectors and have the following characteristics:
Optical
10Gbase
Type
10GBASE-LR/LW
(10 km)
10GBASE-ER/EW
(40 km)
10GBASE-ZR/ZW
(80 km)
Laser type emitter SLM (DFB) SLM (EA-DFB) SLM(EA-DFB)
Operation Range (nm) 1260 to 1355 1530 to 1565 1530 to 1565
Wave length typ. (nm)
1310 1550 1550
Spectral width Max. (nm) NA NA NA
Min SMSR (dB)
30 30 30
Tolerated dispersion max. (ps/nm)
NA NA 1600
Emission Power Max/min (dBm) 0.5 / -8.2 4.0 / -4.7* 4.0 / -1.0
Min Extinction Ratio (dB)
3.5 3.0 6.0
Receiver Type PIN PIN APD
Attenuation Range (dB) NA NA NA
Sensibility (dBm) BER < 10-10
-12.6 -14.1 -24
Receiver Saturation (dBm) -1 -1 -7
Max. Penalization per optical course
(dB)
1 3 3
Protection against Cuts
Automatic Laser Shut Down
According to Recommendations
(IEEE 802.3,
Clause 49, 50 and 52)
(IEEE 802.3,
Clause 49, 50 and 52)
-
Table 3-3: Optical 10Gbase interfaces characteristics
Average launch power (min) is informative and not the principal indicator of signal strength. A transmitter with launch
power below this value cannot be compliant; however, a value above this does not ensure compliance.