Nortel 2000 Software Reference Manual page 209

Book C
Table C-64. The stats -T Command Display (continued)
Field Description
Loopback The loopback status has the following possible states:
None - There is no loopback in progress. The test LED on
the front panel is not illuminated.
Local - The T1 network interface is in local loopback. the
test LED on the front panel is illuminated.
Line - The T1 network interface is in line loopback. The
test LED on the front panel is illuminated.
Payload - This means that the T1 network interface is in
payload loopback. The test LED on the front panel is
illuminated.
Online When illuminated, the T1 engine is engaged with the
network. Otherwise, the T1 Network Interface and Drop/
Insert Interface are isolated from the T1 engine.
Up Time Amount of time the T1 engine has been up, in hours,
minutes, and seconds. The "hours" field is a 16-bit
register that can count up to 2700 days (more than 7
years).
Serial Number The T1 engine's serial number.
Circuit ID The T1 engine's Circuit ID displayed from the
tni_circuit_id parameter.
Unit ID The T1 engine's Unit ID displayed as:
"XYLOGICS T1-ENGINE 085nnn Rev. n mm/dd/yy
xxxx"
Where:
085nnn - This is the firmware number.
Rev. n - This is the firmware revision number.
mm/dd/yy - This is the firmware release date.
xxxx - This is the EPROM check sum.
(continued on next page)
Remote Annex Administrator's Guide for UNIX
Chapter 3 Using the CLI Commands
Book C-191