H3C S5120-EI Series, Руководство по установке

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1-9
Item Specification
Service
z
It can be connected to an ASCII terminal.
z
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-EI series provides 10/100/1000Base-T Ethernet ports on its front panel. Table 1-3
describes the specifications of the 10/100/1000Base-T Ethernet ports.
Table 1-3
10/100/1000Base-T Ethernet port specifications
Item Specification
Connector type RJ-45
Interface standard
z
10 Mbps, full duplex
z
100 Mbps, full duplex
z
1000 Mbps, full duplex
z
MDI/MDI-X, auto-sensing
Max transmission
distance
100 m (328.08 ft.)
Transmission medium Category-5 unshielded twisted pair cable
Standard IEEE 802.3i, 802.3u, 802.3ab
1000Base-X SFP Port
Each S5120-EI provides four 1000Base-X SFP ports on its front panel. You can select the GE SFP
transceivers described in Table 1-4.
All SFP modules are hot swappable and optional. Therefore, networking is more flexible.
Table 1-4
Transceivers supported by the S5120-EI series 1000Base-X SFP ports
Transceiver
Central
wavelength
Connector Fiber/Cable
Max
transmission
distance
50/125 µm multimode
optical fiber
550 m
(1804.46 ft)
SFP-GE-SX-MM850-A 850 nm LC
62.5/125 µm
multimode optical fiber
275 m
(902.23 ft)
SFP-GE-LX-SM1310-A
10 km
(6.21 mi)
SFP-GE-LH40-SM1310
1310 nm LC
9/125 µm single mode
optical fiber
40 km
(24.86 mi)
SFP-GE-LH40-SM1550
40 km
(24.86 mi)
SFP-GE-LH70-SM1550
1550 nm LC
9/125 µm single mode
optical fiber
70 km
(43.50 mi)