Ericsson Redback Networks SmartEdge 1200, Руководство по оборудованию

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Transceiver-Based Gigabit Ethernet Cards
2-8 SmartEdge 1200 Router Hardware Guide
Table 2-4 lists the specifications for the 10/100 Ethernet and FE-GE traffic cards.
Transceiver-Based Gigabit Ethernet Cards
The SmartEdge routers support the following transceiver-based Gigabit Ethernet cards:
• Gigabit Ethernet—First version
• Advanced Gigabit Ethernet—Second version
• Gigabit Ethernet 3—Third version
• Gigabit Ethernet 1020 (10-port)
• Gigabit Ethernet 1020 (20-port)
• 10 Gigabit Ethernet
Table 2-4 10/100 and FE-GE Card Specifications
Specification 10/100 FE-GE
Number of ports 12 60 10/100; 2 100/1000
Speed 10 or 100 Mbps
(user selectable, auto-sensing) 10, 100, or 1000 Mbps
(user selectable, 100 Mbps is auto-sensing)
Protection None None
Protocol 10 Mbps: 10Base-T
100 Mbps: 100Base-TX 10 Mbps: 10Base-T
100 Mbps: 100Base-TX
1000 Mbps: 1000Base-T
Line code 10 Mbps: Manchester coding
100 Mbps: MLT-3 10 Mbps: Manchester coding
100 Mbps: MLT-3
1000 Mbps: PAM-5
Negotiate flow control No Yes
Interface Electrical Electrical
Impedance 100 ohms 100 ohms
Connector type RJ-45 MRJ21
1
, RJ-45
1. In addition to RJ-45 connectors for the GE ports, the FE-GE card has 5 MRJ21 connectors, each of which supports 12 FE ports;
the MRJ21 breakout cable has RJ-45 connectors for the individual ports.
Cable type
2
2. The shielded cable must be grounded at both ends.
2 pair,
Category 5 shielded-twisted pair 2 pair,
Category 5 shielded-twisted pair
Compliance IEEE 802.3, 802.3u IEEE 802.3, 802.3u