Tests and Diagnostics
GARD 8000 SYS RFL Electronics
February 14, 2011 11-19 973.334.3100
The GARD 8000 C37.94 interface module is capable of performing 2 loop-back tests, Local loop-back
and Remote loop-back.
Configuration status information:
User Label:
This is a user-defined label. This label can identify a line number, remote substation or any
other information that may assist in identifying the interface.
Chassis Location:
Provides the physical location of the communications interface in the chassis. The chassis
position, slot number, and location on the interface board, top or bottom is provided.
Number of Data Channels:
Provides the number of 64kb/s channels in use by the C37.94 interface.
Timing Status:
Provides the communications channel timing source.
Major Alarm:
For the framer, a major alarm is loss of sync (RLOS). This alarm is also applied for loss of
carrier and unframed all ones; both conditions result in a loss of sync. Green indicates that the
Major Alarm is not active; red indicates that the Major Alarm is active.
Minor Alarm:
Becomes active when the module is placed in loop-back mode.
C37.94 Remote Alarm:
Indicates that the C37.94 interface is receiving an alarm from a remote device.
Configured:
Indicates that the module is properly configured. Green indicates that the modules configured,
red indicates that the module is not configured.
Service Enabled:
Indicates that the interface is enabled, passing information to the remote terminal. Green
indicates that the interface is enabled, red indicates that the interface is not enabled.
Channel Remote Alarm:
Indicates the C37.94 is receiving a remote channel alarm. The indicator will be green when no
alarm is received and red when an alarm is received.
Transmit Activity:
Indicates the presence of outgoing data from the communications bus to the C37.94 interface.
Receive Activity:
Indicates the presence of incoming data to the C37.94 interface.
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