User’s Manual of GT-915A
MGB-LB80
SFP-Port 1000BASE-LX (WDM,TX:1550nm) mini-GBIC module - 80km
Fast Ethernet SFP Transceiver Modules
MFB-FX SFP-Port 100BASE-FX Transceiver (1310nm) -2km
MFB-F20 SFP-Port 100BASE-FX Transceiver (1310nm) - 20km
MFB-F40 SFP-Port 100BASE-FX Transceiver (1310nm) - 40KM
MFB-F60 SFP-Port 100BASE-FX Transceiver (1310nm) - 60KM
MFB-TFX
SFP-Port 100BASE-FX Transceiver (1310nm) -2km (-40~75 degrees C)
MFB-TF20
SFP-Port 100BASE-FX Transceiver (1310nm) - 20km (-40~75 degrees C)
It is recommended to use PLANET SFP on the Managed Media Converter. If you insert an SFP
transceiver that is not supported, the Managed Media Converter will not recognize it.
1. Before we connect Managed Media Converter to the other network device, we have to make sure both sides of the SFP
transceivers are with the same media type, for example: 1000BASE-SX to 1000BASE-SX, 1000BASE-LX to
1000BASE-LX.
2. Check whether the fiber-optic cable type matches with the SFP transceiver requirement.
1. To connect to 1000BASE-SX SFP transceiver, please use the multi-mode fiber cable with one side being the male duplex
LC connector type.
2. To connect to 1000BASE-LX SFP transceiver, please use the single-mode fiber cable with one side being the male duplex
LC connector type.
Connect the Fiber Cable
1. Insert the duplex LC connector into the SFP transceiver.
2. Connect the other end of the cable to a device with SFP transceiver installed.
3. Check the LNK/ACT LED of the SFP slot on the front of the Managed Media Converter. Ensure that the SFP transceiver is
operating correctly.
4. Check the Link mode of the SFP port if the link fails. To function with some fiber-NICs or Media Converters, user has to set
the port Link mode to “1000 Force”.
Remove the Transceiver Module
1. Make sure there is no network activity any more.
2. Remove the Fiber-Optic Cable gently.
3. Lift up the lever of the MGB module and turn it to a horizontal position.
4. Pull out the module gently through the lever.
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