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A-3
Catalyst 2984G, 2948G-GE-TX, and 2980G Switch Hardware Installation Guide
78-6286-05
Appendix A Specifications
Catalyst 2948G Switch Specifications
Environmental (continued)
Humidity (RH), ambient
(noncondensing)
nonoperating and storage
5% to 95%
Altitude,
operating and nonoperating
0 to 65621.7 ft (0 to 2,000 m)
Switching Components
Backplane 12 Gbps full duplex
Microprocessor 150-MHz R5000 RISC–Y2K compliant
Memory 64 MB SDRAM, 12 MB Flash (onboard),
512 KB NVRAM, 8 MB synchronous SRAM,
256 bytes serial EEPROM
Physical Characteristics
Dimensions (H x W x D) 2.625 x 17.5 x 15 in. (6.6 x 44 x 38 cm)
Weight 13 lb. (5.9 kg)
AC Power
Power supply output 120 W
System power dissipation 189 W
System heat dissipation 645 BTU/hr.
AC input current 2.5 A maximum at 100 VAC
1.3 A maximum at @ 240 VAC
AC frequency 50 to 60 Hz
KVA rating 0.20
Airflow Front side in, back side out
Table A-3 Catalyst 2948G Switch Specifications (continued)
Item Specification