Cisco Cisco MGX-FRSM-HS2 B Serial Frame Service Module
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Cisco SM-X-1T3/E3 Enhanced Service Module Configuration Guide
OL-27148-02
Cisco SM-X-1T3/E3 Enhanced Service Module Configuration Guide
Configuring the SM-1T3/E3 Service Module
DETAILED STEPS
Configuring Loopback for T3
Perform this task to loop an entire T3 line toward the line and back toward the router.
Command or Action
Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode.
•
Enter the password if prompted.
Step 2
configure
terminal
Example:
Router# configure terminal
Enters global configuration mode.
Step 3
controller e3
slot/port
Example:
Router(config)# controller t3 1/0
Selects theE3 controller and enters controller configuration
mode.
mode.
•
slot/port—Backplane slot number and port number on
the controller.
the controller.
Step 4
bert pattern
{2^23 | 2^20 | 2^15 | 1s | 0s |
alt-0-1
} interval time
Example:
Router(config-if)# bert pattern 0s interval 30
Configures a bit error rate test pattern.
•
Acceptable values are:
–
2^23—Pseudorandom 0.151 test pattern that is
8,388,607 bits in length.
8,388,607 bits in length.
–
2^20—Pseudorandom 0.153 test pattern that is
1,048,575 bits in length.
1,048,575 bits in length.
–
2^15—Pseudorandom 0.151 test pattern that is
32,768 bits in length.
32,768 bits in length.
–
1s—Repeating pattern of ones (...111...).
–
0s—Repeating pattern of zeros (...000...).
–
alt-0-1—Repeating pattern of alternating zeros and
ones (...01010...).
ones (...01010...).
–
interval time—Specifies the duration (in minutes)
of the BER test. The interval can be a value from 1
to 14400. There is no default.
of the BER test. The interval can be a value from 1
to 14400. There is no default.
Step 5
no bert
Example:
Router(config-if)# no bert
Disables the BERT test pattern.
Step 6
exit
Example:
Router(config-if)# exit
Exits controller configuration mode and returns to
privileged EXEC mode.
privileged EXEC mode.