3com E3 Manual De Usuario
E3 Port Cabling Options
3-3
Cabling Multiple
Cascaded ATM
Network Interface
Cards
Cascade or daisy-chain multiple ATM NICs to provide additional modem
ports and reduce the number of connections to the ATM switch. This
configuration allows multiple NICs in the same chassis or multiple chassis.
ports and reduce the number of connections to the ATM switch. This
configuration allows multiple NICs in the same chassis or multiple chassis.
Cascading Multiple NICs in the Same Chassis
Callout
Description
1
ATM switch
2
ATM NIC 1
3
ATM NIC 2
4
Connection from switch’s TX to SPAN A’s RX of NIC 1
5
Connection from switch’s RX to SPAN A’s TX of NIC 1
6
Connection from Span B’s TX of NIC 1 to SPAN A’s RX of NIC 2
7
Connection from Span B’s RX of NIC 1 to SPAN A’s TX of NIC 2