Total Number of Network Ports:     48

Number of Network (RJ-45) Ports:     48

Port/Expansion Slot Details:     48 x Fast Ethernet Network

Port/Expansion Slot Details:     2 x Gigabit Ethernet Expansion Slot

 

Media & Performance

Media Type Supported:     Twisted Pair

Ethernet Technology:     Fast Ethernet

Network Technology:     10/100Base-TX

Network Technology:     10Base-T

 

I/O Expansions

Number of Total Expansion Slots:     2

Expansion Slot Type:     GBIC

Number of GBIC Slots:     2

 

Management & Protocols

Manageable:     Yes

Management:     Network Management:

CiscoWorks2000 Network Management Suite

CiscoWorks2000 Network Management Suite, CWSI campus

Cisco Discovery Protocol

Cisco's Virtual Trunking Protocol (VTP)

Simple Network Management Protocol (SNMP) agent v1 (RFCs 1155-1157)

SNMPv2c

Cisco workgroup Management Information Base (MIB)

Ethernet MIB (RFC 1643)

Ethernet repeater MIB (RFC 1516)

SNMP MIB II (RFC 1213)

RMON (RFC 1757)

RMON II (RFC 2021)

Interface table (RFC 1573)

Bridge MIB (RFC 1493)

Station Management (SMT) 7.3 (RFC 1285)

Switched Port Analyzer (SPAN)

Enhanced Switched Port Analyzer (EnhancedSPAN)

Port snooping and connection steering

Text-based command-line interface based on the familiar Catalyst 5000 Series 

 

interface

Standard Cisco IOS security capabilities: passwords and TACACS+

Telnet, Trivial File Transfer Protocol (TFTP), BOOTP for management access

 

Memory

Flash Memory:     12 MB

 

Power Description

Input Voltage:     110 V AC

Input Voltage:     220 V AC

Power Source:     Power Supply

Redundant Power Supply:     Yes

 

Physical Characteristics

Form Factor:     Rack-mountable

Height:     2.6"

Width:     17.5"

Depth:     15.0"

Weight (Approximate):     13.00 lb

Miscellaneous

Additional Information:     

rack and cable guide hardware included 

 

Fiber Modal:

1000BASE-SX

1000BASE-LX/LH 

 

EtherChannel:

Fast EtherChannel: All 10/100 mbps ports

Gigabit EtherChannel: All 1000 mbps ports

PAgP: Yes 

Power factor correction: YES

Output power: 120 watts per power supply

Y2K compliant: Yes 

 

Switching Specifications:

Virtual LANs (VLANs): 1,024

Fabric: Store-and-Forward

Queues: Dual Queuing 

On the Catalyst 2948G switch, only one power source can supply power to the switch at any one time. When you are using an RPS, unplug the local power cord for the switch. If you are using the local power supply, the RPS can be connected but must not be powered on.

Certifications & Standards:     Safety Conditions:

Fiber optic lasers: class 1 laser products 

 

Safety:

UL 1950

EN 60950

CSA-C22.2 no 950

IEC 950 

 

Electromagnetic Emissions:

FCC 15J Class A

VCCI Class B

CE Marking

EN 55022 Class B

CISPR 22 Class B 

 

Standard Network Protocols:

Ethernet: IEEE 802.3, 10BaseT

Fast Ethernet: IEEE 802.3u, 100BaseTX

Gigabit Ethernet: IEEE 802.3z, IEEE 802.3x

VLAN Trunking/Tagging: IEEE 802.1Q

Spanning-Tree Protocol: IEEE 802.1D

1000BaseX (GBIC) 

- 1000BaseSX 

- 1000BaseLX/LH

 

Warranty

Limited Warranty:     90 Day