Juniper JUNOSE 11.2.X PHYSICAL LAYER Configuration Manual page 63

show interfaces serial
Copyright © 2010, Juniper Networks, Inc.
ifOperNotPresent—Module has been removed from the chassis
ifOperDown—Interface is not functioning
snmp trap link-status of SNMP trapping (enabled or disabled)
Crc type checking—Size of the cyclic redundancy check (CRC)
Hdlc mru—Current size of the maximum receive unit (MRU)
Hdlc mtu—Current size of the maximum transmission unit (MTU)
Hdlc interface speed—Current line speed of the interface
Ds0 time slot map—T1 subchannel
Invert data disabled—Status of the data inversion feature
The optional slot and port parameters display information about a specific slot and
port.
Use the slot/port:channel/subchannel option to display information about a specific
interface.
Example
host1#show controllers t3 serial
Serial Interface at 2/0:1/1
ifOperStatus = ifOperLowerLayerDown
snmp trap link-status = disabled
Crc type checking - CRC16
Hdlc mru = 9996
Hdlc mtu = 9996
Hdlc interface speed = 64000
Ds0 time slot map = 0x1
Invert data disabled, Ds0 mode = Nx64
Serial Interface at 2/1:1/1
ifOperStatus = ifOperLowerLayerDown
snmp trap link-status = disabled
Crc type checking - CRC16
Hdlc mru = 9996
Hdlc mtu = 9996
Hdlc interface speed = 64000
Ds0 time slot map = 0x1
Invert data disabled, Ds0 mode = Nx64
Found 2 Serial Interfaces
See show controllers t3.
Use to display information about the serial interfaces you specify.
Field descriptions
Chapter 1: Configuring Channelized T3 Interfaces
41