Users Guide

3–Fibre Channel Configuration
Running Extended Link Service Commands
101 CU0354604-00 R
Link Cable Beacon Extended Link Service Command
The link cable beacon (LCB) extended link service command locates the
corresponding ends of a cable by flashing the specific LEDs on the corresponding
ports of a link. The LCB command can also be sent through a Brocade switch
using the following commands, which show examples of enabling, disabling, or
verifying the LCB:
SW6505:admin> portpeerbeacon --enable 12
SW6505:admin> portpeerbeacon --show -all
portPeerBeacon is enabled on port :12
SW6505:admin> portpeerbeacon --disable 12
Read Diagnostic Parameters Extended Link Service
Command
The following example shows the read diagnostic parameters extended link
service (RDP ELS) command output for Port 13 on a Brocade 16G switch:
SW6505:admin> sfpshow 13 -link -force
Identifier: 3 SFP
Connector: 7 LC
Transceiver: 7004404000000000 4,8,16_Gbps M5 sw Short_dist
Encoding: 6 64B66B
Baud 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)
NOTE
This feature is supported only on QLE2690-DEL and QLE2692-DEL
Adapters. Run the LCB test only from a switch with either FOS version 7.4.x
or later, or Cisco NX-OS 8.3.1 or later.
NOTE
This feature is only supported in QLE2690-DEL and QLE2692-DEL
Adapters. You must run the RDP test from a switch with either FOS
version 7.4.x or later, or Cisco NX-OS 8.3.1 or later.