NJR-T04HD / NJR-R04HD User’s Guide
26
・
To polish connectors:
For SFP module for multimode: PC polishing is recommended.
For SFP module for singlemode: UPC polishing is recommended.
Note:
APC polishing is not supported.
・
Extension distance varies depending on attenuation of the fiber, connector and other contact portions.
・
Make sure not to exceed the allowable tension and bend radius of fiber optic cable or the performance of
the product and the life of the fiber optic cable may be affected.
・
Plug the dust caps to both faces of the fiber optic cable when connecting the fiber optic cable and when
not in use.
・
Before inserting a fiber optic cable, make sure there is no damage or dirt on the end-face of the optical
connector. Clean up it or NJR-T04HD/NJR-R04HD may not operate correctly.
Left: without dust cap
Right: with dust cap
Before cleaning After cleaning
[Fig. 8.4] Dust caps
[Fig. 8.5] Cleaning connector
8.3.3 SFP+Module
The fiber type and transmission distance vary depending on the SFP+ module.
[Table 8.1] Specification of standard SFP+modules
Item
10G-MM-SFP
10G-SM-SFP
10G-SM40-SFP
*1
Cable
Multimode fiber
Singlemode fiber
Singlemode fiber
Wave length
850 nm (VCSEL laser (
*2
))
1310 nm (DFB laser (
*2
))
1550 nm (EML laser (
*2
))
Maximum extension
distance
OM3: 984.25 feet/300 m
OS1: 6.21 mile/10 km
OS1: 24.85 mile/40 km
Input level
-11.1 dBm or higher
-12.6 dBm or higher
-16 dBm or higher
Output level
-5 dBm to -1 dBm
-8.2 dBm to +0.5 dBm
-1 dBm to +2 dBm
Receiver Overload
+0.5 dBm
+0.5 dBm
-1 dBm
Connector
LC (Duplex)
*1
10G-SM40-SFP is optional.
*2
NJR-T01UHD/NJR-R01UHD have lasers that meet Class 1 Laser Safety.
・
When no fiber optic cable is connected, plug dust caps.
・
Do not use the SFP+module for other products. Also, do not connect fiber optic cables that is connected
to other products to the SFP+ module or the module may be damaged.
・
If you need to replace the SFP+module, please contact us.
