Cisco 4948 - Catalyst Switch User Manual

B-10
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
Note When switching from 1-GB SFPs to 10-GB SFP+ transceivers or from an SFP+ to an SFP, the chassis
recognizes the change in speed and sets the port accordingly.
The 10-GB SFP+ transceiver cabling specifications are listed in Table B-11.
Ta b l e B-11 10-GB SFP+ Transceiver Cabling Specifications
SFP+ Transceiver Wavelength
(nm)
Cable Type Core Size
(µm)
Modal
Bandwidth
(MHz/km)
Cable Distance
SFP-10G-SR
(Beige bail-clasp)
850 MMF 62.5
62.5
50.0
50.0
50.0
160
200
400
500
2000
85 ft (26 m)
108 ft (33 m)
216 ft (66 m)
269 ft (82 m)
984 ft (300 m)
SFP-10G-LR
(Blue bail-clasp)
1310 SMF G.652 — 6.2 miles (10 km)
SFP-10G-LRM 1310 MMF
SMF
62.5
50.0
50.0
G.652
500
400
500
—
722 ft (220 m)
328 ft (100 m)
722 ft (220 m)
984 ft (300 m)
SFP-H10GB-CU1M — Twinax
cable,
30AWG
cable
assembly
— — 3.28 ft (1 m)
SFP-H10GB-CU3M — Twinax
cable,
30AWG
cable
assembly
— — 9.84 ft (3 m)
SFP-H10GB-CU5M — Twinax
cable,
30AWG
cable
assembly
— — 16.4 ft (5 m)

Cisco 4948 - Catalyst Switch Specifications

General

Brand	Cisco
Model	4948 - Catalyst Switch
Category	Switch
Language	English