Cisco 10000 Series Configuration Manual page 203

Chapter 7 4-Port Channelized OC-3/STM-1 Line Card Configuration
Setting a Framing Type
To specify a framing type for the unchannelized T3 controller, use the framing command.
framing
[no] framing
The default framing type is c-bit.
Use the no form of this command to restore the default framing type.
In the following example, framing is set to m13:
Router(config)# interface serial 1/0/0.1
Router(config-if)# framing m13
Specifying a DSU Mode
To specify a DSU mode for a selected T3 interface, use the dsu mode command from interface
configuration mode. This command configures the line card to emulate a manufacturer's proprietary
multiplexing scheme.
dsu mode
verilink-lowbit
[no] dsu mode
The default DSU mode is cisco.
Use the no form of the command to return the DSU mode to its default.
In the following example, the DSU mode is set to cisco:
Router(config)# interface serial 1/0/0.1
Router(config-if)# dsu mode cisco
Enabling Scrambling
To enable scrambling on an unchannelized T3 interface, use the scramble command from interface
configuration mode.
scramble
[no] scramble
The default setting for this command is no scramble (scrambling disabled).
Ensure that both sides of the link have the same scrambling setting.
In the following example, scrambling is enabled on the specified T3 interface:
Router(config)# interface serial 1/0/0.1
Router(config-if)# scramble
Specifying the Idle Character
To set a specific character on the unchannelized T3 interface to be transmitted between HDLC packets,
use the idle character command from interface configuration mode.
idle-character
[no] idle-character
OL-8834-04
[ | ]
c-bit m13
[ | ]
c-bit m13
[ | |
Adtran cisco Digital-link
]
[ | ]
flags marks
[ |
flags marks
| |
Kentrox Larscom
]
Cisco 10000 Series Router Line Card Configuaration Guide
Creating a T3, VT, or AUG Controller
| |
verilink-highbit
7-19