Beta Draft Confidential
4-8 ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000
Configuring ATM Logical Ports on Frame-based Modules
Configuring Ports for ATM DXI/FUNI and ATM Services
Configuring Ports for ATM DXI/FUNI and ATM Services
Low-speed ATM Data Exchange Interface/Frame-based UNI (DXI/FUNI) service
enables a Lucent switch to interoperate between Frame Relay and ATM technology on
a single platform. ATM DXI/FUNI is a frame-based protocol that is designed to map
easily to Frame Relay. Lucent supports ATM DXI/FUNI, Mode 1A features for the
ATM DXI/FUNI standard. These features include:
• Provisioning for up to 938 virtual connections per card
• Support for AAL Type 5 data packaging only
• Frame sizes up to 8192 octets (DTE DSU)
• 16-bit frame checking sequence between the DTE and the DCE
IOMs for ATM Interworking Services
You can configure ATM FR NNI logical port services on the following
B-STDX 9000 IOMs:
• 8-port Universal I/O
• 2-port High-Speed Serial Interface (HSSI)
• 10-port DSX-1
• ATM UNI DS3/E3
• 1-port ATM CS DS3/E3
• 1-port ATM IWU OC-3c/STM-1
• 12-port ATM E1
• 12-port ATM T1
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