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E1/T1 Card
E1/T1 cards are classified into channelized and fractional channelized types. Table 7-163 compares channelized and fractional channelized E1/T1 cards.
Table 7-163 E1/T1 card categories
Name Label (Silkscreen) |
Card Category |
Description |
|---|---|---|
1E1/T1-M |
Channelized E1/T1 card |
One interface can be divided into 31 sub-interfaces. Each sub-interface corresponds to one sub-channel. The 31 sub-channels can be bound into multiple channels. |
2E1/T1-M |
||
2E1/T1-M-W |
||
4E1/T1-M |
||
8E1/T1-M |
||
1E1/T1-F |
Fractional channelized E1/T1 card |
One interface can be divided into 31 sub-interfaces. Each sub-interface corresponds to one sub-channel. Among the 31 sub-channels, a random number of sub-channels can be bound into one channel only once. |
2E1/T1-F |
||
4E1/T1-F |
||
8E1/T1-F |
- 1E1/T1-M (1-Port Channelized E1/T1/PRI/VE1 Multiflex Trunk Interface Card)
- 2E1/T1-M (2-Port Channelized E1/T1/PRI/VE1 Multiflex Trunk Interface Card - SIC)
- 2E1/T1-M-W (2-Port Channelized E1/T1/PRI/VE1 Multiflex Trunk Interface Card - WSIC)
- 4E1/T1-M (4-Port Channelized E1/PRI Multiflex Trunk Interface Card)
- 8E1/T1-M (8-Port Channelized E1/PRI Multiflex Trunk Interface Card)
- 1E1/T1-F (1-Port Fractional Channelized E1/T1 WAN Interface Card)
- 2E1/T1-F (2-Port Fractional Channelized E1/T1 WAN Interface Card)
- 4E1/T1-F (4-Port Fractional Channelized E1 WAN Interface Card)
- 8E1/T1-F (8-Port Fractional Channelized E1 WAN Interface Card)
- 4E1-IMA (4-Port-E1 ATM IMA Interface Card)