2-228 SmartSwitch ATM Switch Reference Manual
PortMode
Descriptions
[Timing]
(622 Mbps only)
Enables or disables timing at the
port. Timing can improve speed
matching and sequencing of
transmissions between the switch
and network.
Disabled, Enabled
Disabled
Output Parameter
Description
[Port ID]
Port number. (Same as the [PortNumber] input parameter.)
[Frame Type]
(155, 622 Mbps)
Port physical Mode. (Same as the [PortMode] input parameter.)
[Scrambling]
(34, 45, 622 Mbps)
Enables or disables scrambling. Scrambling is bit-level signal processing applied to data
streams prior to transmission. Scrambling can reduce signal interference.
[EmptyCell]
(34, 45 Mbps)
Type of cells sent as filler when the port is not sending data.
[Framing]
(45 Mbps only)
Type of framing used.
[Length]
(45 Mbps only)
Line length for port (corresponds to length of cable attached to port). GT225 means the
cable is greater than 225 feet. LT225 means the cable is less than 255 feet.
[Timing]
(622 Mbps only)
Enables or disables timing at the port. Timing can improve speed matching and
sequencing of transmissions between the switch and network.
Operator
Parameters/Permissions
Description
modify
portmode
[PortNumber]<portnumber>
[PortMode]<portmode>
Administrator
Sets transmission characteristics of switch ports.
show
portmode
[PortNumber]<portnumber>
All
Displays transmission characteristics of switch ports.
Input Parameter
Description
Field Size/Value
Default
