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Power, BTU, & MTBF Information for the SecureStacks


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Article ID: 5418

Products
SecureStack A2
SecureStack B2
SecureStack B3
SecureStack C2
SecureStack C3

Solution
SecureStack A2
Product Description Amps Volt-Amps Power Watts BTU/hr MTBF hrs
@110V Factor
A2H123-24 24 10/100 & 2 100FX .29 56.54 .559 31.60 108 121,739
A2H124-24 24 Port 10/100 .27 50.49 .570 28.70 98 124,279
A2H124-24P 24 Port 10/100 PoE 4.04 444.95 .998 444.00 166 201,377
A2H124-24FX 24 Port 100FX .54 107.47 .549 59.00 201 53,501
A2H124-48 48 Port 10/100 .46 89.76 .554 49.70 170 115,219
A2H124-48P 48 Port 10/100 PoE 4.20 464.20 .996 462.00 284 169,150
A2H254-16 8 FX + 8 TX Ports .33 61.60 .569 35.05 120 105,790[/code]
SecureStack B2
Product Description Amps Volt-Amps Power Watts BTU/hr MTBF hrs
@110V Factor
B2G124-24 24 Port Gig .41 80.63 .549 44.26 151 142,600
B2G124-48 48 Port Gig 1.18 129.03 1.000 129.50 442 105,191
B2G124-48P 48 Port Gig PoE 5.31 596.20 .978 583.10 550 80,331
B2H124-48 48 Port 10/100 .72 79.24 .997 79.00 270 138,741
B2H124-48P 48 Port 10/100 PoE 4.87 617.87 .952 534.70 384 115,872[/code]
SecureStack B3
Product Description Amps Volt-Amps Power Watts BTU/hr MTBF hrs
@110V Factor
B3G124-24 24 Port Gig .58 63.47 .997 63.30 216 162,308
B3G124-24P 24 Port Gig PoE 4.38 481.00 1.000 481.00 284 115,324
B3G124-48 48 Port Gig 1.19 132.44 .989 131.00 447 110,509
B3G124-48P 48 Port Gig PoE 5.16 579.70 .979 567.50 561 81,176[/code]
SecureStack C2
Product Description Amps Volt-Amps Power Watts BTU/hr MTBF hrs
@110V Factor
C2G124-24 24 Port Gig .41 80.63 .549 44.26 151 142,600
C2G124-48 48 Port Gig 1.18 129.03 1.000 129.50 442 105,191
C2G124-48P 48 Port Gig PoE 5.31 596.20 .978 583.10 550 80,331
C2G134-24P 24 Gig RJ21 PoE 4.65 536.80 .952 511.27 304 145,462
C2G170-24 24 SFP/MGBIC slots .27 51.70 .569 29.42 100 157,413
C2H124-48 48 Port 10/100 .72 75.13 .997 79.00 270 138,741
C2H124-48P 48 Port 10/100 PoE 4.87 617.87 .952 534.70 384 115,872
C2K122-24 24 Port Gig + 10G .83 91.96 .989 90.95 310 147,132[/code]
SecureStack C3
Product Description Amps Volt-Amps Power Watts BTU/hr MTBF hrs
@110V Factor
C3G124-24 24 Port Gig .58 63.50 .997 63.30 216 160,505
C3G124-24P 24 Port Gig PoE 4.38 481.00 1.000 481.00 284 114,280
C3G124-48 48 Port Gig 1.20 132.46 .989 131.00 447 106,916
C3G124-48P 48 Port Gig PoE 5.16 579.68 .979 567.50 561 79,905
C3K122-24 24 Port Gig + 10G .87 99.80 .957 95.50 326 134,714
C3K122-24P 24 Gig + 10G PoE 5.05 559.58 .992 555.10 394 98,759
C3K172-24 24 Port SFP + 10G .60 65.00 1.000 65.00 223 166,032[/code]
Uplinks
Product Description Amps Volt-Amps Power Watts BTU/hr MTBF hrs
@110V Factor
C3K-2XFP Dual-XFP uplink n/a n/a n/a 16.80 57 694,710

10GBASE-xx-XFP 10G uplink n/a n/a n/a 16.40 56 90,982[/code]
Redundant Power System
Product Description Amps Volt-Amps Power Watts BTU/hr MTBF hrs
@110V Factor
C2RPS-PSM Single RPS PSM <2 n/a n/a <200 <683 300,000
C2RPS-POE RPS PoE <10 n/a n/a <666 <2273 589,644[/code]
Each PoE switch unit (model number ending with "P") can provide a total of 370 Watts (With f/w 6.03.01.0008 and higher, 375 Watts) of 48-Volt power that may be distributed to PoE clients over the normally used ethernet pairs 1,2,3, & 6. Any individual port can provide up to the maximum 15.4W specified in the IEEE 802.3af standard, if the power is not being demanded by other ports. If all ports require Power over Ethernet, then either the maximum 15.4W (24-port models) or the maximum 7.5W required by a Class 2 device (48-port models) may be delivered simultaneously to all ports. To accommodate power demands that exceed 370 (or 375) Watts, it is possible to prioritize which ports receive their full allotment of requested power - and special powershedding support enforces this priority at the expense of lower-priority ports.

As additional information is made available, it will be added to this document.

See also:
  • Discussion of Watts, Volt-Amps, Power Consumption, and BTUs: 2404
  • Functionality of the SecureStack RPS Systems: 5741
  • Installation Guides/MTBF/Datasheets: A2/B2/B3/C2/C3 [/code]Note: What is stated in this document are typical usage numbers that should be used when sizing HVAC, Power, and UPS for switch infrastructure. In the event that information sources disagree, for the stated purpose this document should be given preference over an Installation Guide, which should be given preference over the MTBF Page, which should be given preference over a Datasheet.

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