cc/td/doc/product/lan/cat2900
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System Specifications

System Specifications

Table A-1 contains the Catalyst 2900 system specifications.


Table  A-1: System Specifications
Description Specifications
Backplane 1.2-Gbps1, 1 module connections
Dimensions (H x W x D) 3.4 x 17.25 x 23" (8.5 x 43.8 x 58.4 cm)
Chassis depth including cable guide is 21.64" (55.0 cm)
Weight Chassis: 41 lb (18.6 kg)
DC voltages supplied and steady-state maximum current ratings +5V @ 30A
+12V @ 2A
+24V @ 0.2A
Power supply 375W maximum (AC-input power supplies)
Power dissipation 240W maximum configuration.
Heat dissipation 240W (818 Btu2/hr)
Input voltage 100-240 VAC wide input with power factor correction
Frequency 47-63 Hz autoranging
AC current rating 3 A maximum at 100-240 VAC
Airflow 95 cfm3 through the system fan assembly
Operating temperature 32-104°F (0-40°C)
Nonoperating temperature -40-167°F (-40-75°C)
Humidity 10-90%, noncondensing
Microprocessor 25-MHz 68EC040 for the NMP4
Memory 4 MB of Flash memory
8 MB of packet-buffer DRAM5
256 KB of NVRAM6
Interface ports 2 RJ-45 IEEE 802.3u Ethernet 100BaseTX
2 40-pin MII7 IEEE 802.3u Ethernet 100BaseTX MII (WS-C5009) and a
   DB-25 console port for an administration workstation
12 RJ-45 IEEE 802.3u Ethernet 10/100 Mbps Fast Ethernet 10/100 BaseTX
   (WS-X5213)
12 SC multimode 802.3u Ethernet 100BaseFX (WS-X5111)
Network connectors 10BaseT (RJ-45)
100BaseTX (RJ-45 or 40-pin MII)
100BaseFX (SC)
Network management SNMP8 agent
Station Management (SMT) Specification, Revision 7.3
Management Information Bases (MIB) SNMP v2
SNMP v1 (RFC 1155-1157)
SNMP MIB II (RFC 1213)
Bridging MIB (RFC 1493)
Interface extension MIB (RFC 1573)
Ethernet (RFC 1643 supersedes RFC 1398)
Cisco CDP MIB
Cisco Stack MIB
Maximum
station-to-station cabling distance
10/100BaseTX Fast Ethernet: Category 5 UTP: 328' (100 m)
100BaseFX Fast Ethernet 62.5/125-micron multimode fiber: 1.24 miles (400 m)
Agency approvals Safety: UL9 1950, CSA10-C22.2 No. 950-93, and EN60950
EMI11: FCC Class A (47 CFR, Part 15),CE Mark, EN55022 Class B and VCCI Class 2 with shielded cables

1 Gbps = gigabits per second
2 Btu = British thermal units
3 cfm = cubic feet per minute
4 NMP = network management processor
5 DRAM = dynamic random-access memory
6 NVRAM = nonvolatile random-access memory
7 MII = media independent interface
8 SNMP = Simple Network Management Protocol
9 UL = Underwriters Laboratory
10 CSA = Canadian Standards Association
11 EMI = electromagnetic interference

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