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Chapter 8: Troubleshooting
235
 This means you can, for example, connect your Host PC to one of the VTrak’s 
SCSI “In” ports without the need of an external SCSI terminator. You can also 
connect both SCSI connectors in a “daisy-chain” with other VTraks.
Be sure to enable termination on the last VTrak in the chain. Promise 
recommends that you attach the SCSI cable to the “In” connector and set the 
internal termination to “On” or “Automatic”. 
Or you can attach the SCSI cable to the “Out” connector and install a physical 
terminator (not supplied) onto the “In” connector.
Serial Connections
VTrak uses a serial connection for the command line interface (CLI) and the 
command line utility (CLU). After you set the IP address, you can access the CLI 
and CLU through a network connection, also. Normally, users prefer WebPAM 
PROe because of its graphic user interface. But the CLI and CLU can do the 
same jobs. And they will work when your network connection is down.
For VTrak, you must use the CLI or CLU to set the Management Port IP address 
in order for WebPAM PROe to connect with it. See “VTrak Setup with CLI or CLU” 
on page 17.
 This issue is discussed further under Network Connections (below). 
See the “Set Up Serial Cable Connections” on page 14 for more information on 
making the connection. 
The CLI and CLU control and manage but they do not move data. They 
communicates through a null-modem cable, supplied with the VTrak. A straight-
through serial cable will not work for this purpose. You may choose not use the 
CLI or CLU often and want to disconnect and store the cable. Consider leaving it 
connected, to be sure it will be there when you need it.
Network Connections
VTrak has an RJ-45 Management Port connector on the back of its cabinet. This 
is a Gigabit Ethernet connector designed to connect to your network. The VTrak 
becomes a node on your network like any other PC, server or other component 
with an IP address. 
Mgmt
CONSOLE
SCSI “Out”
connector
SCSI “Out”
connector