Datasheet

Data Sheet
© 1992-2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 12 of 17
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IEEE 802. 1p class of service (CoS) prioritization
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IEEE 802.1Q VLAN
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IEEE 802. 1x user authentication
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1000BASE-X (SFP)
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1000BASE-SX
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1000BASE-LX/LH
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1000BASE-ZX
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RMON I and II standards
Optics Support
SFPs used with Cisco TwinGig Converter Module for Gigabit Ethernet connectivity (supported only
in WS-X4908-10GE(=) half card):
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GLC-T: 1000BASE-T SFP
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GLC-SX-MM: Gigabit Ethernet SFP, LC connector, and SX transceiver
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GLC-LH-SM: Gigabit Ethernet SFP, LC connector, and LX/LH transceiver
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GLC-ZX-SM: 1000BASE-ZX SFP
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Cisco (CWDM) SFP solution
X2 Modules for 10 Gigabit Ethernet Connectivity
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X2-10GB-LR=: 10GBASE-LR X2 module
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X2-10GB-CX4=: 10GBASE-CX4 X2 module
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X2-10GB-LX4=: 10GBASE-LX4 X2 module
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X2-10GB-SR=: 10GBASE-SR X2 module
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X2-10GB-ER=: 10GBASE-ER X2 module
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X2-10GB-LRM=: 10GBASE-LRM X2 module
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X2-10GB-ZR=: 10GBASE-ZR X2 module
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X2-10GB-DWDM=: 10GBASE-DWDM X2 module
Product Specifications
Tables 5 and 6 list the specifications for the Cisco Catalyst 4900M.
Table 5. Product Specifications: Dimensions
Product Name Max Overall Dimension, H x W x D in (mm)
4900M 8-port base system 3.5 (89) x 17.2 (437) x 17.9 (455)
4900M 20-port 10/100/1000 RJ-45 half card 1.9 (49) x 7.4 (188) x 8.2 (209)
4900M 4 port 10GE half card with X2 interfaces 1.9 (49) x 7.4 (188) x 8.2 (209)
4900M 8 port 10GE half card with X2 interfaces 1.9 (49) x 7.4 (188) x 8.2 (209)
4900M AC Power Supply 1.9 (49) x 7.3 (186) x 10.7 (272)
4900M DC Power Supply 1.9 (49) x 7.3 (186) x 10.7 (272)
4900M Spare Fan Tray 3.4 (87) x 2.5 (64) x 17.8 (453)