Specifications
Troubleshooting Plug-in Modules 5-29
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Troubleshooting Plug-
in Modules
Troubleshooting BIS Problems
This section describes how to troubleshoot and correct faults associated with the BIS components.
The procedures for recognizing, isolating, and correcting faults using these components are as
follows:
• Identifying a problem based on visual indications or repeated INOPS.
BIS Components Overview
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If QHLWKHUQXPHULFVQRUD"are displayed for the BIS module, perform the
following actions:
6WHS Make sure that BIS Engine, DSC and BIS Sensor are connected to the module. If
not, connect the missing devices.
6WHS Make sure the BIS parameter is turned on. Turn it on, if it is not.
6WHS Make sure the BIS numeric is turned on. Turn it on, if it is not.
6WHS Make sure you don’t have more than one BIS module plugged into the module
racks you are using. If more than one BIS module is plugged in, the supernumerary
modules are ignored and should be removed.
6WHS Check the connection on the module and the rack interface.
Unplug and re-plug the BIS module and check if the green LED on the BIS
module lights up after re-plugging. If it does not, proceed with the following:
Put the BIS module into another slot and check the LED once again. If it lights
up now, the connector for the previous slot is faulty and the rack needs to be
replaced. If it does not, proceed with the following:
Note: this procedure applies only for setups, in which the BIS module is
located in a Satellite Rack. If this does not apply for your situation, proceed
with 4.
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