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53-1003496-0316 July 2015Brocade VDX 6940 SwitchTechnical Specifications

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ContentsBrocade VDX 6940 Switch Technical Specifications.5Brocade VDX 6940 Switch Technical Specifications53-1003496-033

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Brocade VDX 6940 Switch Technical SpecificationsThis document highlights the features and specifications for the Brocade VDX 6940 switch.System specificationsSystem componentDescriptionEnclosureVDX 6940-36Q - 1U, 19-inch EIA-compliant, front-to-back airflow or back-to-frontairflow; power from backVDX 6940-144S - 2U, 19-inch EIA-compliant, front-to-back airflow or back-to-frontairflow; power from backPower inletC14, power from nonport sidePower suppliesTwo internal, redundant, field-replaceable, load-sharing AC or DC power supplies(each power supply has an integral fan unit)FansBrocade VDX 6940-36Q Five field-replaceable fan assemblies, each with two fans, fora total of 10 per systemBrocade VDX 6940-144S Four field-replaceable fan assemblies, each with one fan,for a total of 4 per systemCoolingFront-to-rear and rear-to-front (port-side intake and port-side exhaust) airflow.System architectureNonblocking shared memory switchSystem processorBrocade VDX 6940-36Q - 1.5 GHz P3041 Quad Core CPUBrocade VDX 6940-144S- 1.5 GHz P4080 8-Core CPUEthernetSystem componentDescriptionQSFP GbE portsBrocade VDX 6940-36Q - 36 40-GbE QSFP ports. 144 10-GbE ports using 10-GbEbreakout cables.Brocade VDX 6940-144S- 12 40-GbE QSFP ports.Brocade VDX 6940-144S - 12 40-GbE QSFP ports. Forty-eight 10-GbE ports using10- GbE breakout cables.SFP GbE portsBrocade VDX 6940 Switch Technical Specifications53-1003496-03Brocade VDX 6940-144S - 96 fixed 10-GbE ports5

Brocade VDX 6940 Switch Technical SpecificationsSystem componentDescriptionEthernet management portBrocade VDX 6940-36Q - RJ-45 10/100/1000 Mbps Ethernet out-of-bandmanagement portBrocade VDX 6940-144S - RJ-45 1000 Mbps Ethernet out-of-band management portLEDsSystem componentDescriptionSwitch status andmanagementOne bicolor system status LED (green and amber) on the port side.One green power status LED on the port side.Two green Ethernet management port status LEDs on the port side.Port activity 40-GbE portsOne green LED per port for 40-GbE operation.Four green LEDs per port for 10-GbE operation in breakout mode (Brocade VDX6940-36Q).Port activity fixed 10-GbEports (Brocade VDX6940-144S)One bicolor LED (green and amber) per port to indicate status on the port side.Fan statusOne bicolor LED (green and amber) per fan to indicate status on nonport side.Power supply statusBrocade VDX 6940-36Q - One green LED per power supply to indicate status onnonport side.Brocade VDX 6940-144SOne green LED to indicate status of input voltage and onebi-color (green/amber) LED to indicate status of output voltage.OtherSystem componentDescriptionSerial cableRollover cableRJ-45 connectors (2)One serial port used for console.Brocade VDX 6940-36Q - One RJ-45 10/100/1000 Mbps Ethernet out-of-bandmanagement portBrocade VDX 6940-144S - One RJ-45 1000 Mbps Ethernet out-of-bandmanagement portUSB connector6Used for data and firmware downloadsBrocade VDX 6940 Switch Technical Specifications53-1003496-03

Brocade VDX 6940 Switch Technical SpecificationsWeight and physical dimensionsFully loaded means that all FRUs and transceivers are installed.ModelHeightWidthDepthWeight (empty)Weight (fullyloaded)Brocade VDX6940-36Q4.4 cm44 cm43.8 cm8.9 kg10.1 kg1.73 in.17.32 in.17.22 in.19.6 lb22.3 lbBrocade VDX6940-144S8.7 cm44 cm48.5 cm15.46 kg17.323.41 in.17.32 in.19.1 in.34.10 lb38.2 lbEnvironmental requirementsTABLE 1 Environmental ient temperature0 C to 40 C (32 F to 104 F)-25 C to 70 C (-13 F to 158 F)Relative humidity(non-condensing)10% to 85% at 40 C (104 F)5% to 80% at 70 C (158 F)Altitude (above sealevel)0 to 3000 m (9,842 ft.)0 to 12000 m (39,370 ft)ShockBrocade VDX 6940-36Q - 15 G , 11 ms, half- Brocade VDX 6940-36Q - 33 G, 11 ms, halfsine wavesine wave, 5/ea Axis and 33 G 6ms,Trapezoidal, 1/ea axisBrocade VDX 6940-144S - 15 G , 11 ms,half-sine waveBrocade VDX 6940-144S - 33 G, 11 ms, halfsine wave 5/ea Axis, and 33 G 6ms,Trapezoidal, 1/ea axisVibrationBrocade VDX 6940-36Q - 1 G sine, 0.5 gmsrandom, 5-500 HzBrocade VDX 6940-36Q - 2.4 G sine, 1.1gms random, 5-500 HzBrocade VDX 6940-144S - 1 G sine, 0.5gms random, 5-500 HzBrocade VDX 6940-144S - 2.4 G sine, 1.1gms random, 5-500 HzBrocade VDX 6940-36QN/AAirflow Maximum: 159 cmh (94 cfm) Minimum: 65 cmh (38 cfm)Brocade VDX 6940-144S Maximum: 370 cmh (218 CFM) Minimum: 95 cmh (56 CFM)Brocade VDX 6940 Switch Technical Specifications53-1003496-037

Brocade VDX 6940 Switch Technical SpecificationsTABLE 1 Environmental requirements (Continued)ConditionOperationalNon-operationalHeat dissipationRefer to BTU/hr data under "Powerconsumption (typical configuration)" and"Power consumption (maximumconfiguration)" for various power inputs.N/AOperating noiseBrocade VDX 6940-36QN/A Maximum: 88 dBA (8.8 Bels) Nominal: 71 dBA (7.1 Bels)Brocade VDX 6940-144S Maximum 87 dbA (8.7 Bels) Nominal: 69 dBA (6.9 Bels)Power supply specifications (per PSU)Power supply MaximumInput voltagemodeloutput powerrating (DC)AC to DC Brocade VDX6940-36Q500 WXBR-500WPSAC-01-FInput linefrequencyMaximuminput currentInput lineprotectionMaximuminrushcurrent100 - 24050 - 60 HzVAC (nominal) (nominal)6 A @ 100VACLine Fused90 - 264 VAC(range)7 A @ 90 VAC30 A peak atcold start and50 A peak atwarm start for 10 ms, 10 Apeak forcycles 10 ms-150 ms, 7 Apeak for 150msAC line andneutral fused40 A peak at240 VACduring coldstartup at25ºC 77ºF50-60 Hz(range)orXBR-500WPSAC-01-RAC to DC Brocade VDX6940-144SXBRVDX6940-64S-AC-21100 W100 - 24050 - 60 HzVAC (nominal) (nominal)90 - 264 VAC(range)47 - 63 Hz(range)12 AXBRVDX6940-64S-AC-R8Brocade VDX 6940 Switch Technical Specifications53-1003496-03

Brocade VDX 6940 Switch Technical SpecificationsPower supply MaximumInput voltagemodeloutput powerrating (DC)Input linefrequencyMaximuminput currentInput lineprotectionMaximuminrushcurrentDC to DC Brocade VDX6940-36QNA15 A-VE fused25 A peakcold and warmstart-Ve fused60 A peak hotor cold start500 W48 VDC(nominal)16 A40-60 VDC(range)RPS9DCorRPS9DC IDC to DC Brocade VDX6940-144S1100 WXBR-1100WPSDC-01-For40-60 VDC(rated)NA 33 A48VDC(nominal)40 - 60 VDC(range)XBR-1100WPSDC-01-RNOTEXBR-1000WP-SDC-F/R DCpowersuppliesrequire 45VDC orgreater toensure outputvoltage atpower on.After poweron, the outputvoltage willremainoperational to40 VDC.Power consumption (typical configuration)All ports fully configured with approved optic sources. Test performed with 25 percent traffic rate, fans atnominal speed, and one power supply.Brocade VDX 6940 Switch Technical Specifications53-1003496-039

Brocade VDX 6940 Switch Technical SpecificationsModel name@100 VAC input @200 VAC input @-48 VDC input Minimumnumber ofpower suppliesVDX 6940-36Q2.18 A1.12 A4.1 A231 W226 W211.2 W788.42 BTU/hr771.36 BTU/hr720.84 BTU/hrNotes2Input current isfor 1 powersupply, Watts &BTUs/hr are withNOTEDevice ships with two powersupplies.two powersupplies. Oneprovides systempower, but bothmust be installedto providesufficient airflowfrom fans.VDX 6940-144S3.288 A1.639 A6.8 A1332 W326 W350 W1133.14 BTU/hr1112.66 BTU/hr1195.94 BTU/hrInput current isfor 1 powersupply, Watts &BTUs/hr are withtwo powersupplies.Power consumption (idle configuration)No optics or connections to ports installed and system completed boot up, fans at nominal speed.Model name@100 VAC input @200 VAC input @-48 VDC input Minimumnumber ofpower suppliesNotesVDX 6940-36Q1.245 A0.636 A2.7 A140 W136 W144.42 W477.83 BTU/hr464.18 BTU/hr492.92 BTU/hrInput current isfor 1 powersupply, Watts &BTUs/hr are withtwo powersupplies.1.73 A0.912 A4.8 A180 W180 W244.8 W614.35 BTU/hr614.35 BTU/hr835.52 BTU/hrVDX 6940-144S1011Input current isfor 1 powersupply, Watts &BTUs/hr are withtwo powersuppliesBrocade VDX 6940 Switch Technical Specifications53-1003496-03

Brocade VDX 6940 Switch Technical SpecificationsPower consumption (maximum configuration)All optic ports configured with optics that draw the maximum power rating per MSA specification. Fansset at high speed and one power supply unit (PSU) used.Model name@100 VAC input @200 VAC input @-48 VDC inputMinimumnumber ofpower suppliesVDX 6940-36Q2.84 A1.44 A-48 VDC2295 W289 W5.8 A1006.86 BTU/hr986.38 BTU/hr288.6 W985.01 BTU/hrNotesInput current isfor 1 powersupply, Watts &BTUs/hr are withNOTEDevice ships with two powersupplies.two powersupplies. Oneprovides systempower, but bothmust be installedto providesufficient airflowfrom fans.VDX 6940-144S5.119 A2.506 A10.3 A512 W500 W499.2 W1747.5 BTU/hr1706.54 BTU/hr1703.81 BTU/hr1Data port specifications (Ethernet)ModelPort typeNumber ofportsDescriptionVDX6940-36Q40-GbE3624 base ports can be upgraded to 36 with single port upgradelicense.Up to 144 10GbE ports in4x10 GbEbreakoutmodeEach 40-GbE port can be broken out into four independent 10GbE SFP ports, providing up to 144 10-GbE SFP ports.10-GbE fixed9664 base ports can be upgraded to 96 in two 16-port incrementswith port upgrade licenses.40-GbE12Base model with no 40-GbE ports can be upgraded to 12 in two6-port increments with port upgrade licenses.VDX6940-144SBrocade VDX 6940 Switch Technical Specifications53-1003496-0311

Brocade VDX 6940 Switch Technical SpecificationsModelPort typeNumber ofportsDescriptionVDX6940-36Q40-GbE3624 base ports can be upgraded to 36 with single port upgradelicense.Up to 144 10GbE ports in4x10 GbEbreakoutmodeEach 40-GbE port can be broken out into four independent 10GbE SFP ports, providing up to 144 10-GbE SFP ports.10-GbE fixed9664 base ports can be upgraded to 96 in two 16-port incrementswith port upgrade licenses.40-GbE12Base model with no 40-GbE ports can be upgraded to 12 in two6-port increments with port upgrade licenses.Up to 48 10GbE ports in4x10 GbEbreakoutmodeEach 40-GbE port can be broken out into four independent 10GbE SFP ports, providing up to 48 10-GbE SFP ports.VDX6940-144SSerial port specifications (pinout RJ-45)12PinSignalDescription1Not supportedN/A2Not supportedN/A3UART1 TXDTransmit data4GNDLogic ground5GNDLogic ground6UART1 RXDReceive data7Not supportedN/A8Not supportedN/ABrocade VDX 6940 Switch Technical Specifications53-1003496-03