Allied Telesis AlliedWare Plus GS980MX Series Installation Manual page 23

The twisted pair ports on the GS980MX/28 (1 to 24) and GS980MX/52
(1 to 48) switches have these features:
Supports 10Mbps, 100Mbps and 1 Gbps operation

100 meters (328 feet) maximum operating distance per port

Auto-Negotiation for speed

Half-duplex mode at 10/100Mbps

Full-duplex mode at 10/100/1000Mbps

Auto-MDI/MDI-X at 10/100/1000Mbps

Port Link/Activity (L/A) and Duplex/Collision (D/C) LEDs

The twisted pair ports on the GS980MX/28PSm (1 to 24) switch have
these features:
Ports 1 to 20 support 10Mbps, 100Mbps and 1 Gbps operation

Ports 21 to 24 support 100Mbps and 1/2.5/5Gbps operation

100 meters (328 feet) maximum operating distance per port

Auto-Negotiation for speed

Full-duplex mode only

MDI/MDI-X at 10Mbps/100Mbps

Power over Ethernet (PoE+) supported on all 24 ports

Port Link/Activity (L/A) and Power over Ethernet (PoE) LEDs

The twisted pair ports on the GS980MX/52PSm (1 to 48) switch have
these features:
Ports 1 to 40 support 10/100Mbps and 1 Gbps operation

Ports 41 to 48 support 100Mbps and 1/2.5/5Gbps operation

100 meters (328 feet) maximum operating distance per port

Auto-Negotiation for speed

Full-duplex mode only

MDI/MDI-X at 10/100Mbps

Power over Ethernet (PoE+) supported on all 48 ports

Port Link/Activity (L/A) and Power over Ethernet (PoE) LEDs

GS980MX Series Installation Guide for Virtual Chassis Stacking
23