
Customizing an ATM Interface
117374-C Rev 00
4-9
Assigning the Framing Mode
You can assign various framing modes to an ATM line, depending on the interface
type your device uses. Refer to Table 4-1
to match the appropriate framing modes
to the correct interface type. You can assign the following transceiver framing
modes to the ATM line.
By default, the ATM line uses SONET framing for OC-3 interfaces, Cbit framing
for DS-3 interfaces, and G.832 framing for E-3 interfaces.
Using the BCC
To change the framing mode, navigate to the atm prompt (for example,
box; atm/11/1
) and enter:
framing-mode
<mode>
mode
is one of the following framing modes:
• sdh • g832
• sonet • cbitnofallback
• cbit • clearchannel
•g751
For example, the following command sets the framing mode to SDH:
atm/11/1#
framing-mode sdh
atm/11/1#
Table 4-1. Supported Framing Modes for ATM Interfaces
Framing Mode
Interface
Type SDH SONET DS3_CBIT E3_G751 E3_G832 CBITnofallback ClearChannel
OC-3
99
DS-3
999
E-3
99
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