Troubleshooting Your PathBuilder S21x Switch C-3
While Setting Up Your Configuration
Pinging the Local
LAN Interface
From the workstation or PC connected to the same local LAN segment that the
PathBuilder S21x switch is connected to, ping the LAN interface of the PathBuilder
S200 series switch (“ping 10.10.10.1”). The LAN LED should flash whenever a Ping
packet is received.
If the LAN LED does not flash, check the configuration of the PC and the LAN
connection and do the following:
If the LAN LED does flash, but there is no ping response, do the following:
Step Action
1
Check the IP address and IP address mask of your PC or workstation,
making sure that they are set to valid address and mask appropriate for
your local subnetwork. (In the above example, the IP address of the PC
must be set between 10.10.10.2 and 10.10.10.254) and the address mask
must be set to 255.255.255.0).
2
Check the statistics of the LAN port (port 5) of the local node, making
sure that the “Carrier” says “Present”. If the “Carrier” field displays
“Lost”, there is a problem with your LAN connection and you should do
the following:
• If you are using a BNC connection between your workstation/PC
and the PathBuilder S21x switch, make sure that you put in the 50
Ω
termination resistors at both ends of the line.
• If you are connecting your LAN using the 10BaseT and a 10BaseT
Hub, check the display at the Hub to ensure that the connection
between PathBuilder S21x switch and the Hub is correct. (Most
Hubs have LEDs that stay ON when the carrier is detected).
• Change the RJ45 twisted pair cable between PathBuilder S200
series switch and your Hub as it may be damaged. A straight-
through 10BaseT cable is generally required between PathBuilder
S21x switch and a 10BaseT Hub.
If there is only a single PC or workstation connecting to the PathBuilder
S200 series switch, and you are not using a 10BaseT Hub, ensure that
you have used the RJ45 crossover cable, shipped with your PathBuilder
S21x switch, to connect between the PC and the PathBuilder S200
series switch.
Step Action
1
From the CTP, check the statistics of the LAN port (Port 5) (select menu
option Statistics, and select port 5) while sending ping packets.
2
Confirm that the Rx Frame Count, in the Data Summary, increases as
the ping packet arrives.
3
Check the Tx Frame Count field in the Data Summary part of the LAN
port statistics. If the field increases for every ping packet it receives, the
LAN and the configuration should be working.
