3Com 3031 Command Reference Manual page 184

184 C 3: I
HAPTER NTERFACE
ft1 clock
M C
ANAGEMENT OMMANDS
View
Any view
Parameter
serial serial-number: Interface type and number. If no interface is specified, the
information of all the T1-F interfaces will be displayed.
Description
Using the display ft1 serial command, you can view the configuration and state of
T1-F interface.
If the specified interface is a serial interface rather than a T1-F interface, the
system will display the error prompt "The serial is not a factional interface".
Example
Display the information of the T1-F interface.
[3com] display ft1
Serial4/0/0
Fractional T1, status is down.
Work mode is framed - 100 OHM balanced.
Framing : ESF, Line Code is B8ZS, Clock : Slave.
Alarm State : Loss-of-Signal.
Table 5 Description of displaying controller FT1 items
Item
Framing
Line Code
Clock
Alarm State
Syntax
ft1 clock { master | slave }
undo ft1 clock
View
T1-F interface view
Parameter
master: Internal clock is used.
slave: Line clock is used.
Description
Using the ft1 clock command, you can configure the clock used by an E1-F or T1-F
interface. Using the undo ft1 clock command, you can restore the default clock of
the interface.
Description
Frame format (crc4/no-crc4)
line code format (ami/hdb3)
Clock mode (master/slave)
Alarm information