
Data Sheet
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
Page 11 of 17
●
TCP-MIB.my
●
UDP-MIB.my
●
RIP SNMP MIB
●
LLDP MIB
Industry Standards
●
Ethernet: IEEE 802.3 and 10BASE-T
●
Fast Ethernet: IEEE 802.3u, 100BASE-TX, and 100BASE-FX
●
Gigabit Ethernet: IEEE 802.3z and 802.3ab
●
IEEE 802. 1D Spanning Tree Protocol
●
IEEE 802.1w rapid reconfiguration of spanning tree
●
IEEE 802. 1s multiple VLAN instances of spanning tree
●
IEEE 802.3 ad LACP
●
IEEE 802. 1p CoS prioritization
●
IEEE 802.1Q VLAN
●
IEEE 802. 1x user authentication
●
X2 support
●
RMON I and II standards
Indicators and Ports
●
System status: Green (operational), or red (faulty)
●
Console: RJ-45 socket
●
Reset (switch recessed for protection)
●
Uplinks: Link and active
●
Image management port: 10/100BASE-TX (RJ-45 socket) data terminal equipment (DTE); green (good),
orange (disabled), or off (not connected)
Supported X2 Optics
Table 3 lists the X2 optics supported by the Cisco Catalyst 4948 10 Gigabit Ethernet Switch.
Table 3.
X2 Optics Supported by Cisco Catalyst 4948 10 Gigabit Ethernet Switch
Type
Maximum Distance over Specified Medium
LR
10 km on single-mode fiber (SMF) (G.652)
CX4
Up to 15m on IBX4 cable
LX4
300m on multimode fiber (MMF)
SR
26 to 300m on MMF (depends on MMF type)
ER
40 km on SMF
LRM
220m on MMF
ZR
1550 nm on SMF
DWDM
1530.33 nm to 1560.61 nm X2 (100-GHz ITU grid)