System Components
System Description 1-13
Gigabit Ethernet (first and second versions) 12 4 Yes 2 None
Gigabit Ethernet 3 12 4 No – None
Gigabit Ethernet 1020 (10-port) 12 10 No – None
Gigabit Ethernet 1020 (20-port) 6
4
20 No – None
10 Gigabit Ethernet 12 1 No – None
SONET/SDH
OC-192c/STM-64c 12 1 No – None, 1+1 APS
1. On optical cards, each port has separate connectors for the transmit (Tx) and receive (Rx) circuits.
2. The low-density version of a card provides a limited number of ports that are enabled through software entitlement.
3. Protection features for various types of cards and ports depend on the release of the SmartEdge OS; the system supports a mix of protected and unprotected
ports.
4. The 20-port GE1020 card requires two adjacent slots.
Table 1-5 SmartEdge 1200 Traffic Cards (continued)
Type of Traffic Card/Description
Number
of Cards
Number
of Ports
1
Low-Density
Version
2
Low-Density
Ports
Protection
Ratios
3
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