Foundry Networks FGS648P 用户手册
Hardware Specifications
September 2007
© 2007 Foundry Networks, Inc.
6 - 7
10/100 and Gigabit Port Pinouts
Figure 6.4 lists the pin assignment and signalling for 10/100/100 ports.
Figure 6.4
Pin assignment and signalling for 10/100/1000 ports
Cable Specifications
Table 6.7 lists the cable specifications for the cables used with the 10/100, Gigabit and 10-Gigabit Ethernet ports.
NOTE:
Cable installation and network configuration will affect overall transmission capability. The numbers
provided below represent the accepted recommendations of the various standards. For network-specific
recommendations, consult your local Foundry reseller or system engineer.
recommendations, consult your local Foundry reseller or system engineer.
Table 6.7: Cable length summary table
Cable Type
a
Connector
Type
Type
Core
Diameter
(microns)
Diameter
(microns)
Modal
Bandwidth
(MHz*km) or
Wavelength
(nm)
Bandwidth
(MHz*km) or
Wavelength
(nm)
Range
(meters)
(meters)
1000Base-BX-D
Single-mode
Fiber (SMF)
Fiber (SMF)
LC connector
for SFP module
for SFP module
9
1490 nm
2 – 10000
(10km)
(10km)
1000Base-BX-U
SMF
LC connector
for SFP module
for SFP module
9
1310 nm
2 – 10000
(10km)
(10km)
1000Base-LHA
SMF
LC connector
for SFP module
for SFP module
9
1550 nm
2 – 70000
(70km)
(70km)
1000Base-LHB
SMF
LC connector
for SFP module
for SFP module
9
1550 nm
2 – 120000
(120km)
(120km)
1000Base-LX
Multi-mode
Fiber (MMF)
Fiber (MMF)
LC connector
for SFP module
for SFP module
62.5
500
2 – 550
MMF
50
400
2 – 550
MMF
50
500
2 – 550
SMF
9
1300 nm
2 – 10000
Pin Assignment
Pin Number
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
Pin Number
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
8
1
1
8
MDI-X ports
RD+
RD-
TD+
Not used
RD-
TD+
Not used
TD-
Not used
Not used
Not used
Not used
100BaseTX and 1000BaseT
10BaseT
MDI-X ports
RD+
RD-
TD+
CMT
RD-
TD+
CMT
TD-
CMT
CMT
CMT
CMT