H3C Technologies H3C S5120 Series Switches - Manual (Page 19)

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CAUTION:
Only the RPS recommended by H3C can be used for the H3C S5120-28P-HPWR-SI. The –48 VDC
power supply in the equipment room cannot be used directly. Otherwise, the device may be
damaged.
Cooling system
The H3C S5120-28P-HPWR-SI is equipped with six fans for heat dissipation.
Ports
Console port
Each S5120-SI series provides one console port on the front panel.
Table 3 Console port specifications
Item Specification
Connector type RJ-45
Compliant standard EIA/TIA-232
Transmission baud rate 9600 bps to 115200 bps (defaulting to 9600 bps)
Service
• It can be connected to an ASCII terminal.
• It can be connected to a serial port of a local or remote (through a pair
of modems) PC running terminal emulation program.
10/100/1000Base-T Ethernet port
Each S5120-SI series provides 10/100/1000Base-T Ethernet ports on its front panel. Quantity of Ethernet
ports varies with the device model. For more information, see Table 1 .
Table 4 S5120-SI series 10/100/1000Base-T Ethernet port specifications
Item Specification
Connector type RJ-45
Interface speed and operating
mode
• 10 Mbps, full duplex
• 100 Mbps, full duplex
• 1000 Mbps, full duplex
• MDI/MDI-X, auto-sensing
Max transmission distance 100 m (328.1 ft.)
Transmission medium Category-5 unshielded twisted pair cable
Standard IEEE 802.3i, IEEE 802.3u, IEEE 802.3ab