Cisco 4948 Installation Guide - Page 94

Module and Product, Cable Type - port numbering

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Transceiver Support for Uplink Ports Appendix B Transceiver, Chassis Connectors, and Cable and Adapter Specifications Table B-2 lists the specifications for the 1000BASE-T and 1000BASE-X SFP transceivers. Table B-2 1000BASE-T and 1000BASE-X SFP Transceiver Specifications SFP Transceiver Module and Product Number Interface Connector Nominal Wavelength (nm) Network Cable Type Fiber Core Modal Size Bandwidth (micron) (MHz/km) Cable Distance1 1000BASE-T (GLC-T=) RJ-45 - Category 5, - - 5e, or 6 UTP/FTP 328 ft (100 m) 1000BASE-SX (GLC-SX-MM=) LC duplex 850 MMF 1000BASE-LX/LH LC duplex (GLC-LH-SM=) 1300 MMF2 SMF 1000BASE-ZX (GLC-ZX-SM=) 1000BASE-BX10 (GLC-BX-D=) 1000BASE-BX10 (GLC-BX-U=) LC duplex 1550 SMF LC single LC single 1490 SMF (downstream) 1310 (upstream) SMF 62.5 160 62.5 200 50.0 400 50.0 500 62.5 500 50.0 400 50.0 500 G.6523 - G.6523 - G.6523 - G.6523 - 722 ft (220 m) 902 ft (275 m) 1640 ft (500 m) 1804 ft (550 m) 1804 ft (550 m) 1804 ft (550 m) 1804 ft (550 m) 6.21 mi (10 km) 43.4 to 62 mi (70 to 100 km)4 6.21 mi (10 km) 6.21 mi (10 km) 1. Cable distances are based on fiber loss. Additional factors, such as the number of splices and the optical quality of the fiber, can affect cabling distances. 2. A mode-conditioning patch cord is required. Using an ordinary patch cord with MMF, 1000BASE-LX/LH SFP transceivers, and a short link distance can cause transceiver saturation, resulting in an elevated bit error rate (BER). When using the LX/LH SFP transceiver with 62.5-micron diameter MMF, you must also install a mode-conditioning patch cord between the SFP transceiver 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 ft (300 m). 3. ITU-T G.652 SMF as specified by the IEEE 802.3z standard. 4. 1000BASE-ZX SFP modules can reach up to 62 miles (100 km) by using dispersion-shifted SMF or low-attenuation SMF; the actual distance depends on the fiber quality, the number of splices, and the connectors. Catalyst 4948E an Catalyst 4948E-F Switch Installation Guide B-4 OL-21561-02

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B-4
Catalyst 4948E an Catalyst 4948E-F Switch Installation Guide
OL-21561-02
Appendix B
Transceiver, Chassis Connectors, and Cable and Adapter Specifications
Transceiver Support for Uplink Ports
Table B-2
lists the specifications for the 1000BASE-T and 1000BASE-X SFP transceivers.
Table B-2
1000BASE-T and 1000BASE-X SFP Transceiver Specifications
SFP Transceiver
Module and Product
Number
Interface
Connector
Nominal
Wavelength
(nm)
Network
Cable Type
Fiber Core
Size
(micron)
Modal
Bandwidth
(MHz/km)
Cable Distance
1
1.
Cable distances are based on fiber loss. Additional factors, such as the number of splices and the optical quality of the fiber, can affect cabling
distances.
1000BASE-T
(GLC-T=)
RJ-45
—
Category 5,
5e, or 6
UTP/FTP
—
—
328 ft (100 m)
1000BASE-SX
(GLC-SX-MM=)
LC duplex
850
MMF
62.5
62.5
50.0
50.0
160
200
400
500
722 ft (220 m)
902 ft (275 m)
1640 ft (500 m)
1804 ft (550 m)
1000BASE-LX/LH
(GLC-LH-SM=)
LC duplex
1300
MMF
2
SMF
2.
A mode-conditioning patch cord is required. Using an ordinary patch cord with MMF, 1000BASE-LX/LH SFP transceivers, and a short link distance
can cause transceiver saturation, resulting in an elevated bit error rate (BER). When using the LX/LH SFP transceiver with 62.5-micron diameter
MMF, you must also install a mode-conditioning patch cord between the SFP transceiver 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 ft (300 m).
62.5
50.0
50.0
G.652
3
3.
ITU-T G.652 SMF as specified by the IEEE 802.3z standard.
500
400
500
—
1804 ft (550 m)
1804 ft (550 m)
1804 ft (550 m)
6.21 mi (10 km)
1000BASE-ZX
(GLC-ZX-SM=)
LC duplex
1550
SMF
G.652
3
—
43.4 to 62 mi (70 to
100 km)
4
4.
1000BASE-ZX SFP modules can reach up to 62 miles (100 km) by using dispersion-shifted SMF or low-attenuation SMF; the actual distance depends
on the fiber quality, the number of splices, and the connectors.
1000BASE-BX10
(GLC-BX-D=)
LC single
1490
(downstream)
SMF
G.652
3
—
6.21 mi (10 km)
1000BASE-BX10
(GLC-BX-U=)
LC single
1310
(upstream)
SMF
G.652
3
—
6.21 mi (10 km)