Datasheet

Data Sheet
© 2010 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 14 of 19
Product Specifications
Tables 5 and 6 list the specifications for the Cisco Catalyst 4900M.
Table 5. Product Specifications: Dimensions
Product Name Maximum Overall Dimension (H x W x D [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 8 port 10GBASE-T RJ-45 half card 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)
Table 6. Product Specifications: Weight
System Configurations Weight
Cisco Catalyst 4900M 8-port base unit plus fan (no power supply) 25.0 lb (11.3 kg)
Cisco Catalyst 4900M 8-port base unit plus fan and 1 AC power supply 29.5 lb (13.4 kg)
Cisco Catalyst 4900M 8-port base unit plus fan and 2 AC power supplies 34.0 lb (15.4 kg)
Cisco Catalyst 4900M 4-port 10 Gigabit Ethernet half card with X2 interfaces 1.5 lb (0.7 kg)
Cisco Catalyst 4900M 20-port 10/100/1000 RJ-45 half card 1.5 lb (0.7 kg)
Cisco Catalyst 4900M 8-port 10 Gigabit Ethernet half card with X2 interfaces 2.5 lb (1.1 kg)
Cisco Catalyst 4900M 8-port 10GBase-T RJ-45 half card 2.5 lb (1.1 kg)
Indicator and Port Specifications
●
System status: Green (operational), red (faulty)
●
Console: RJ-45 socket
●
Reset (switch recessed for protection)
●
Image management port: 10/100/1000BASE-T (RJ-45 socket) data terminal equipment (DTE); green (good),
orange (disabled), and off (not connected)
●
Air flow specifications (average):
Air flow at 25°C (77°F) is approximately 77 cubic f eet per minute (cfm)
Air flow at 55°C (131°F ) is approximately 150 to 1 60 cfm
Table 7 shows the air flow specifications by speed.
Table 7. Air Flow Specifications by Speed
Speed Level RPM Airflow (ft
3
/minute [m
3
/minute])
0 4953 77.7 (2.2)
1 7109 118.4 (3.4)
2 7752 127.6 (3.6)
3 9449 151.7 (4.3)
Power Supply Specifications
The Cisco Catalyst 4900M offers a choice of 1000W AC or DC power supplies. The switch can operate with one
power supply present. When two power supplies are installed, the switch shares the power load between the two
power supplies (Table 8).