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Cisco ME 3800X and ME 3600X Switch Hardware Installation Guide
OL-22168-01
Appendix A Technical Specifications
Environmental and Technical Specifications for the Switch
Note If you install one AC and one DC power supply module in a switch, the power specifications are similar
to two installed DC power supply modules.
4. Acoustic noise is measured per ISO 7779 and declared per ISO 9296.
5. This can be limited by specification of optical modules.
Table A-2 Technical Specifications—ME-3800X-24FS-M
Physical Dimensions
Weight 14.50 lb (6.58 kg) (no FRU installed)
Dimensions (H x W x D) 1.72 x 17.50 x 20.39 in. (4.37 x 44.45 x 51.79 cm)
AC Power Requirements
Input voltage 100 to 240 VAC ± 10% (autoranging), 50 to 60 Hz.
Power consumption with 1 AC power
supply module and 1 fan module
installed
Total: 779 BTUs per hour (maximum).
Maximum: 228 W (worst-case SFPs, SFP+ LRM, 100% traffic).
Typical: 155 W (12 SFPs with 1000BASE-SX, 2 SFP+ with SR, 100% traffic).
Minimum: 123 W (no cables or SFP modules installed).
Power rating: 120 V (0.254 KVA), 230 V (0.248 KVA).
Power consumption with 2 AC power
supply modules installed
Total: 796 BTUs per hour (maximum).
Maximum: 233 W (worst-case SFPs, SFP+ LRM, 100% traffic).
Typical: 163 W (12 SFPs with 1000BASE-SX, 2 SFP+ with SR, 100% traffic).
Minimum: 132 W (no cables or SFP modules installed).
Power rating: 120 V (0.259 KVA), 230 V (0.254 KVA).
DC Power Requirements
Input voltage 18 to 32 VDC and 36 to 72 VDC.
Power consumption with 1 DC power
supply module and 1 fan module
installed
Total: 840 BTUs per hour (maximum).
Maximum: 246 W (18 VDC input, worst-case SFPs, SFP+ LRM, 100% traffic).
Typical: 156 W (48 VDC, 12 SFPs with 1000BASE-SX, 2 SFP+ with SR, 100%
traffic).
Minimum: 124 W (48 VDC, no cables or SFP modules installed).
Power consumption with 2 DC power
supply modules installed
Total: 813 BTUs per hour (maximum).
Maximum: 238 W (18 VDC input, worst-case SFPs, SFP+ LRM, 100% traffic).
Typical: 161 W (48 VDC, 12 SFPs with 1000BASE-SX, 2 SFP+ with SR, 100%
traffic).
Minimum: 129 W (48 VDC, no cables or SFP modules installed).