HP 5400R zl2 Series Nstallation And Getting Started Manual page 107

If you connect the patch cord directly to the network cabling, you may need
to install a female-to-female adapter to allow the cables to be connected
together.
To network
multimode
cabling
The multimode cable in the patch cord
must match the characteristics of your
network cable
Figure B-1. Example: Connecting a Mode Conditioning Patch Cord for Gigabit-LX
Make sure you purchase a patch cord that has appropriate connectors on each
end, and has multimode fibers that match the characteristics of the multimode
fiber in your network. Most important, the core diameter of the multimode
patch cord must match the core diameter of the multimode cable
infrastructure (either 50 or 62.5 microns).
Cabling and Technology Information
Mode Conditioning Patch Cord
Gigabit-LX port
Mode Conditioning
Patch Cord
Single mode section plugs into Tx
port on Gigabit-LX Transceiver or
Gigabit-LX transceiver
B-7