Raisecom> enable
Raisecom# config terminal
Configuration mode, one command input per times. End with CTRL+Z.
Raisecom(config)#int tengigabitethernet 1/1/26
Raisecom(config-tengigabitethernet1/1/26)#speed
  10     Force 10Mbps
  100    Force 100Mbps
  1000   Force 1000Mbps
  10000  Force 10Gbps
  auto   Auto-negotiation
Raisecom(config-tengigabitethernet1/1/26)#speed 1000
Set successfully.