Cisco WS-C3560E-48PD-SF Hardware Installation Guide - Page 97

Two Twisted-Pair Cable Pinouts, SFP Module, Wavelength, nanometers, Fiber Type, Core Size/Cladding

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Appendix B Connector and Cable Specifications Cable and Adapter Specifications Table B-1 Fiber-Optic SFP Module Port Cabling Specifications (continued) SFP Module CWDM Wavelength (nanometers) 1470, 1490, 1510, 1530, 1550, 1570, 1590, 1610 Fiber Type SMF Core Size/Cladding Modal Bandwidth Size (micron) (MHz/km)1 Cable Distance G.6522 - 62 miles (100 km) DWDM ITU channels - - 21-59 - - 1. Modal bandwidth applies only to multimode fiber. 2. A mode-field diameter/cladding diameter = 9 micrometers/125 micrometers 3. A mode-conditioning patch cord is required. Using an ordinary patch cord with MMF, 1000BASE-LX/LH SFP modules, and a short link distance can cause transceiver saturation, resulting in an elevated bit error rate (BER). When using the LX/LH SFP module with 62.5-micron diameter MMF, you must also install a mode-conditioning patch cord between the SFP module and the MMF cable on both the sending and receiving ends of the link. The mode-conditioning patch cord is required for link distances greater than 984 feet (300 m). 4. 1000BASE-ZX SFP modules can send data up to 62 miles (100 km) by using dispersion-shifted SMF or low-attenuation SMF; the distance depends on the fiber quality, the number of splices, and the connectors. Two Twisted-Pair Cable Pinouts Figure B-6 and Figure B-7 show the schematics of two twisted-pair cables for connecting to 10BASE-Tand 100BASE-TX-compatible devices. Figure B-6 Switch 3 TD+ 6 TD- 1 RD+ 2 RD- Two Twisted-Pair Straight-Through Cable Schematic Router or PC 3 RD+ 6 RD- 1 TD+ 2 TD- H5578 Figure B-7 Switch 3 TD+ 6 TD- 1 RD+ 2 RD- Two Twisted-Pair Crossover Cable Schematic Switch 3 TD+ 6 TD- 1 RD+ 2 RD- H5579 OL-6337-07 Catalyst 3560 Switch Hardware Installation Guide B-5

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B-5
Catalyst 3560 Switch Hardware Installation Guide
OL-6337-07
Appendix B
Connector and Cable Specifications
Cable and Adapter Specifications
Two Twisted-Pair Cable Pinouts
Figure B-6
and
Figure B-7
show the schematics of two twisted-pair cables for connecting to 10BASE-T-
and 100BASE-TX-compatible devices.
Figure B-6
Two Twisted-Pair Straight-Through Cable Schematic
Figure B-7
Two Twisted-Pair Crossover Cable Schematic
CWDM
1470, 1490,
1510, 1530,
1550, 1570,
1590, 1610
SMF
G.652
2
—
62 miles (100 km)
DWDM
ITU channels
21-59
—
—
—
—
1.
Modal bandwidth applies only to multimode fiber.
2.
A mode-field diameter/cladding diameter = 9 micrometers/125 micrometers
3.
A mode-conditioning patch cord is required. Using an ordinary patch cord with MMF, 1000BASE-LX/LH SFP modules, and a short link distance
can cause transceiver saturation, resulting in an elevated bit error rate (BER). When using the LX/LH SFP module with 62.5-micron diameter MMF,
you must also install a mode-conditioning patch cord between the SFP module and the MMF cable on both the sending and receiving ends of the
link. The mode-conditioning patch cord is required for link distances greater than 984 feet (300 m).
4.
1000BASE-ZX SFP modules can send data up to 62 miles (100 km) by using dispersion-shifted SMF or low-attenuation SMF; the distance depends
on the fiber quality, the number of splices, and the connectors.
Table B-1
Fiber-Optic SFP Module Port Cabling Specifications (continued)
SFP Module
Wavelength
(nanometers)
Fiber Type
Core Size/Cladding
Size (micron)
Modal Bandwidth
(MHz/km)
1
Cable Distance
Switch
3 TD+
6 TD–
1 RD+
2 RD–
Router or PC
3 RD+
6 RD–
1 TD+
2 TD–
H5578
Switch
3 TD+
6 TD–
1 RD+
2 RD–
Switch
3 TD+
6 TD–
1 RD+
2 RD–
H5579