User Panel Switch Settings
Resolving Ethernet Connectivity Issues
Using Straight-through Cable for Ethernet Connection
If straight-through cable is used for connecting laptop/craft PC to any user panel ports
(OAMP, VOIP, E1 and E2) with autonegotiation disabled, you may experience Ethernet
connectivity problems.
If connecting a PC directly to the OAMP, VOIP, E1 or E2 port, and the port speed and
duplex are set to AUTO, a straight-through or crossover cable may be used. If the port
speed or duplex is set to anything other than AUTO it is necessary to use a crossover
cable
Provisioning Speed/Duplex Mode Values
If the speed/duplex modes in both laptop/craft PC and NE ports (OAMP, VOIP, E1, E2 &
CIT) are provisioned with any values other than listed combinations below, you may
experience Ethernet connectivity problems:
• Auto/Auto on both NE and PC
• 100/Full on both NE and PC
• 10/Half on both NE and PC
To resolve this issue, ensure that the speed/duplex mode provisioned on both NE and PC
ports match exactly. The supported combinations are Auto/Auto, 100/Full, and 10/Half.
Supporting procedures
Checking for Services on a Port
Procedure
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3-12
1830 PSS-36/PSS–32/PSS-16/PSS-4
8DG60888CAAA Release 3.6.0 and 3.6.1
Issue 1 June 2011
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