Cisco Cisco DWDM Transceiver Modules 安装指南
E F T D r a f t - C o n f i d e n t i a l
2
OL-16048-01
Note
We do not recommend that you use 1000BASE-LX/LH, 10GBASE-LX4 and 10GBASE-LRM
transceivers with MMF and no patch cord for very short link distances (tens of meters). The result could
be an elevated bit error rate (BER) and receiver damage.
transceivers with MMF and no patch cord for very short link distances (tens of meters). The result could
be an elevated bit error rate (BER) and receiver damage.
shows a typical configuration using a patch cord and 1000BASE-LX/LH transceivers.
Figure 2
Patch Cord Configuration
Patch Cord Installation
The mode-conditioning patch cord is installed between the transceiver and the patch panel. Two
mode-conditioning patch cords are required per installation. To install the patch cord, follow these steps:
mode-conditioning patch cords are required per installation. To install the patch cord, follow these steps:
Step 1
Plug the single-mode fiber (SMF) connector into the transmit bore of the transceiver.
Step 2
Plug the other half of the duplex connector into the receive bore of the transceiver.
Step 3
At the other end of the patch cord, plug both MMF connectors into the patch panel.
Step 4
Repeat Step 1 through Step 3 for the second transceiver located at the other end of the network link.
1000BASE-LX/LH
port
Patch
panel
Link span greater than 984 ft
(300 m)
1000BASE-LX/LH
port
Rx
Tx
Patch
panel
Patch
cord
Building
cable plant
Tx
Rx
Patch
cord
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