Cisco Systems CGS 2520 manual Cable Pinouts, Extended temperature SFPs

Appendix B Connector and Cable Specifications

Cables and Adapters

Table B-1	Fiber-Optic SFP Module Port Cabling Specifications (continued)
				Core	Modal
Type of SFP		Wavelength		Size/Cladding	Bandwidth
Module		(nanometers)	Fiber Type	Size (micron)	(MHz/km)1	Cable Distance
Extended temperature SFPs
100BASE		1300	MMF or SMF	62.2	500	1804 feet (550
LX/LH				50	400	m) 1804 feet
(SFP-GE-L)				50	500	(550 m) 1804
				9/10	—	feet (550 m)
						6.2 miles (10
						km)
100BASE SX		850	MMF	62.5	160	722 feet (220 m)
(SFP-GE-S)				62.5	200	902 feet (275 m)
				50.0	400	1640 feet (500
				50.0	500	m)
						1804 feet (550
						m)
100BASE ZX		1550	SMF	9/10	—	43.5 miles (70
(SFP-GE-Z)			SMF	8		km)
						62.1 miles (100
						km)
100BASE EX		1310	SMF	G.6522	—	24.9 miles (40
(GLC-EX-SMD						km)
)

1.Modal bandwidth applies only to multimode fiber.

2.1000BASE-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.

3.A mode-field diameter/cladding diameter = 9 micrometers/125 micrometers.

Note When the fiber-optic cable span is less than 15.43 miles (25 km), insert a 5-decibel (dB) or 10-dB inline optical attenuator between the fiber-optic cable plant and the receiving port on the 1000BASE-ZX SFP module.

Cable Pinouts

Figure B-5

Switch

3 TD+

6 TD–

1 RD+

2 RD–

Two Twisted-Pair Straight-Through Cable Schematic for 10/100 Ports

Router or PC

3 RD+

6 RD–

1 TD+	H5578
2 TD–

Cisco CGS 2520 Hardware Installation Guide

B-6 OL-31444-01