3com MSR 20-20 참조 매뉴얼

C

HAPTER

 17: F

UNDAMENTAL

 CT3 I

NTERFACE

 C

ONFIGURATION

 C

OMMANDS

# Set LIC to “hello” for CT3 interface T3 2/0.

<Sysname> system-view

[Sysname] interface t3 2/0

[Sysname-T3 2/0] mdl data lic hello 

# Send path messages on CT3 interface T3 2/0.

<Sysname> system-view

[Sysname] interface t3 2/0

[Sysname-T3 2/0] mdl generate path 

t1 line-number alarm { detect | generate { ais | rai } }

undo t1 line-number alarm { detect | generate { ais | rai } }

CT3 interface view

line-number: T1 line number, in the range 1 to 28.

detect: Enables/disables periodical alarm signal detection. By default, periodical 
alarm detection is enabled.

generate: Sends alarm signals, AIS or RAI, for line state test. By default, alarm 
signal sending is disabled.

ais: Alarm indication signal.

rai: Remote alarm indication signal.

Use the t1 alarm command to enable the specified T1 line on the CT3 interface 
to detect/send alarm signals.

Use the undo t1 alarm command to remove the alarm signal detection/sending 
setting.

At the startup of the router, periodical alarm signal detection is enabled on all T1 
lines on the CT3 interface. When a T1 line detects LOS, LOF, or AIS signals, it sends 
RAI signals to its peer. Alarm state report for the interface is real time; you may 
view that with the display controller t3 command.

The supported alarm signals, LOS, LOF, AIS, RAI, FEBE, and idle, are ANSI T1.403 
compliant.

You can configure a T1 line to send only a type of alarm signal. To have the 
channel send another type of signal, use the undo t1 alarm command to remove 
the previous setting first. In addition, when the RAI signal generated upon 
detection of the LOS, LOF, or AIS signal is present, the T1 line cannot send another 
type of signal. To do that, use the undo t1 alarm detect command to disable the 
T1 line to send the RAI signal generated after detecting an alarm first.