H3C S7502 Ethernet Switch Installation Manual
Table Of Contents
- 00-1Cover.pdf
- 01-Chapter 1 Product Overview.pdf
- 02-Chapter 2 Line Processing Units.pdf
- 03-Chapter 3 nstallation Preparations.pdf
- 04-Chapter 4 Hardware Installation.pdf
- Chapter 4 Hardware Installation
- 05-Chapter 5 System Commissioning.pdf
- 06-Chapter 6 Hardware Maintenance.pdf
- 07-Chapter 7 Software Maintenance.pdf
- Chapter 7 Software Maintenance
- 7.1 Introduction to Loading Approaches
- 7.2 Loading Software Locally through Boot Menu
- 7.3 Loading Software Remotely or Locally through Command Lines
- 7.4 Booting the Switch with Dual Images
- 7.5 Loading a Host Software Containing the Boot ROM File
- 7.6 Handling Loading Failure
- 7.7 Handling Password Loss
- Chapter 7 Software Maintenance
- 08-Chapter 8 Troubleshooting.pdf
- 09-Appendix A Lightning Protection.pdf
- 10-Appendix B AC Power Cables Used in Different Countries.pdf

Installation Manual
H3C S7502 Ethernet Switch Chapter 1 Product Overview
1-5
The status LEDs on an LS81P12TE are described in the following table.
Table 1-3 Description of LEDs on the panel of an LS81P12TE
LED Status
OFF The link is down or no link is presented.
ON The link is active.
LINK/ACT
Blinking Data is being transmitted or received on the port.
1.2.3 Port Cable
I. Optical port cables for 12-port 1000Base-X (SFP)
Table 1-4 Description of 1000Base-X (SFP) port cables
SFP module
Central
wavelength
Connector
Matching
cable
Maximum
transmission
distance
50 µm/125 µm
multimode
optical fiber
cable
550 m (1804
ft)
SFP-GE-SX-MM
850-A
850 nm LC
62.5 µm/125
µm multimode
optical fiber
cable
275 m (902 ft)
SFP-GE-LX-SM
1310-A
10 km (6 mi)
SFP-GE-LH40-S
M1310
1310 nm LC
9 µm/125 µm
single mode
optical fiber
cable
40 km (about
25 mi)
SFP-GE-LH40-S
M1550
40 km (about
25 mi)
SFP-GE-LH70-S
M1550
70 km (43 mi)
SFP-GE-LH100-
SM1550
1550 nm LC
9 µm/125 µm
single mode
optical fiber
cable
100 km (62 mi)
SFP-GE-LH70-S
M1470-CW
1470 nm LC
9 µm/125 µm
single mode
optical fiber
cable
70 km (43 mi)
SFP-GE-LH70-S
M1490-CW
1490 nm LC
9 µm/125 µm
single mode
optical fiber
cable
70 km (43 mi)