GS980MX Series Installation Guide for Virtual Chassis Stacking
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Table 5. GS980MX/28PSm Switch Twisted Pair Port Specifications
Specification Description
Port Speed Ports 1-20: 10Mbps, 100Mbps or 1Gbps
Ports 21-24: 100Mbps or 1/2.5/5Gbps.
Ports 1-20: You can set port speed
manually or with Auto-Negotiation at
10 Mbps or 100 Mbps.
Ports 21-24: The ports speed is set with
Auto-Negotiation only at 1Gbps and
higher.
The default is Auto-Negotiation for all
ports.
Duplex Mode Ports 1-20: Full- or half-duplex mode at
10 Mbps or 100Mbps.
Full-duplex only at 1 Gbps.
Supports Auto-Negotiation at 100 Mbps.
Ports 21-24: Full-duplex only at all speeds.
Maximum Distance 100 meters (328 feet).
Power over Ethernet PoE (15.4 watts maximum per port) and
PoE+ (30 watts maximum per port).
Maximum Power Budget 370W.
PoE Mode Classes 0 to 4: Mode A.
Connector 8-pin RJ-45.
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