Command:

show controllers t1


Mode:

Router#


Syntax:

Cisco 7500 Series

show controllers t1 [slot/port]

Cisco 4000 Series

show controllers t1 number

Cisco AS5800 Access Servers

show controller t1 dial-shelf/slot/t3-port:t1-num

 

Syntax Description:

slot/port (Optional) Backplane slot number and port number on the interface. Refer to your hardware installation manual for the specific slot and port numbers.
number Network processor number (NPM) number, in the range 0 through 2.
dial-shelf Dial shelf chassis in the Cisco AS5800 access server containing the CT3 interface card.
slot Location of the CT3 interface card in the dial shelf chassis.
t3-port T3 port number. The only valid value is 0.
:t1-num T1 time slot in the T3 line. The value can be from 1 to 28.

 

Command Description:

To display information about the T1 links or to display the hardware and software driver information for the T1 controller, use the show controllers t1 command in privileged EXEC mode.

Cisco 7500 Series and Cisco 4000 Series Routers

This command displays controller status that is specific to the controller hardware. The information displayed is generally useful for diagnostic tasks performed by technical support personnel only.

The NPM or MIP can query the port adapters to determine their current status. Issue a show controllers t1 command to display statistics about the T1 link.

If you specify a slot and port number, each 15 minute period will be displayed.


Example:

Cisco 7500 Series and Cisco 4000 Series Routers

The following is a sample output display from the show controllers t1 command on the Cisco 7500 series routers:

Router# show controllers t1
T1 4/1 is up.
No alarms detected.
  Framing is ESF, Line Code is AMI, Clock Source is line
Data in current interval (0 seconds elapsed):
0 Line Code Violations, 0 Path Code Violations 0 Slip Secs, 0 Fr Loss Secs,
0 Line Err Secs, 0 Degraded Mins 0 Errored Secs, 0 Bursty Err Secs,
0 Severely Err Secs, 0 Unavail Secs
Total Data (last 79 15 minute intervals):
0 Line Code Violations, 0 Path Code Violations, 0 Slip Secs, 0 Fr Loss Secs,
0 Line Err Secs, 0 Degraded Mins, 0 Errored Secs, 0 Bursty Err Secs,
0 Severely Err Secs, 0 Unavail Secs


Cisco AS5800 Access Server

The following example shows the status of the T1 controllers connected to the Cisco AS5800 access servers:
Router# show controllers t1 T1 1/0/0:1 is up. No alarms detected. Framing is ESF, Line Code is AMI, Clock Source is Line. Data in current interval (770 seconds elapsed): 5 Line Code Violations, 8 Path Code Violations 0 Slip Secs, 0 Fr Loss Secs, 7 Line Err Secs, 0 Degraded Mins 0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 7 Unavail Secs Total Data (last 81 15 minute intervals): 7 Line Code Violations, 4 Path Code Violations, 6 Slip Secs, 20 Fr Loss Secs, 2 Line Err Secs, 0 Degraded Mins, 0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 2 Unavail Secs T1 1/0/1:5 is down. Transmitter is sending remote alarm. Receiver has loss of frame. Framing is SF, Line Code is AMI, Clock Source is Line. Data in current interval (770 seconds elapsed): 50 Line Code Violations, 5 Path Code Violations 0 Slip Secs, 7 Fr Loss Secs, 7 Line Err Secs, 0 Degraded Mins 0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 7 Unavail Secs Total Data (last 81 15 minute intervals): 27 Line Code Violations, 22 Path Code Violations, 0 Slip Secs, 13 Fr Loss Secs, 13 Line Err Secs, 0 Degraded Mins, 0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 13 Unavail Secs


Misconceptions:

None.


Related Commands:

None.


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