3–Fibre Channel ConfigurationRunning Extended Link Service Commands96 BK3254601-00 CRunning Extended Link Service CommandsCommands for extended link service on the switch include the following: Link Cable Beacon Extended Link Service Command Read Diagnostic Parameters Extended Link Service CommandLink Cable Beacon Extended Link Service CommandThe link cable beacon (LCB) extended link service command locates thecorresponding ends of a cable by flashing the specific LEDs on the correspondingports of a link. The LCB command can also be sent through a Brocade switchusing the following commands, which show examples of enabling, disabling, orverifying the LCB:SW6505:admin> portpeerbeacon --enable 12SW6505:admin> portpeerbeacon --show -allportPeerBeacon is enabled on port :12SW6505:admin> portpeerbeacon --disable 12Read Diagnostic Parameters Extended Link ServiceCommandThe following example shows the read diagnostic parameters extended linkservice (RDP ELS) command output for Port 13 on a Brocade 16G switch:SW6505:admin> sfpshow 13 -link -forceIdentifier: 3 SFPConnector: 7 LCTransceiver: 7004404000000000 8,16,32_Gbps M5 sw Short_distEncoding: 6 64B66BBaud Rate: 140 (units 100 megabaud)Length 9u: 0 (units km)Length 9u: 0 (units 100 meters)Length 50u (OM2): 3 (units 10 meters)Length 50u (OM3): 0 (units 10 meters)Length 62.5u:0 (units 10 meters)Length Cu: 0 (units 1 meter)NOTERun the LCB test only from a switch with FOS version 7.4.x or later.NOTEYou must run the RDP test from a switch with FOS version 7.4.x or later.
