Ports and Connectors  What are USB ports? USB (universal serial bus) port can connect up to 127 different peripherals together with a single connector type PCs PCs typically typically have have six six to to eight USB USB ports on front front or or back back of of the the system system unit unit USB 2.0 p. 208 Single Single USB USB port port can can be be used used to attach multiple peripherals in in a daisy daisy chain chain First First USB USB device device connects connects to to USB USB port port on on computer computer Third Third USB USB device device connects connects to to second second USB USB device, device, and and so so on on Second Second USB USB device device connects connects to to first first USB USB device device Next
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IEEE Reliability Test System 96-99 BUS 18 BUS 17 Total Load: 2,850 MW C BUS 21 BUS 23 A Plan Time Pe riod 0-72 h A Power G Energy Shed (MW) She d (MWh) 1,373 98,856 Total: 98,856 MWh 0-72 h 902 64,944 B 72-768 h 708 492,768 C 0-360 h BUS 16 230 kV A D B A A BUS 19 C B BUS 20 BUS 14 Synch. Cond. A BUS 13 BUS 15 E BUS 11 BUS 24 B Total: 557,712 MWh 756 BUS 22 272,160 BUS 12 B BUS 3 Total: 272,160 MW h C A BUS 9 BUS 10 BUS 6 cable BUS 4 F MW BUS 5 138 kV A B Attac +72h k C B +360h BUS 8 A cable BUS 7 +768h t BUS 1 BUS 2 Salmeron, Wood and Baldick (2004), IEEE 11 Transactions on Power Systems
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OSPF Cost Adjusting the Reference Bandwidth (Cont.)  To adjust to distinguish between 100 Mbps Ethernet and Gigabit Ethernet, use the auto- cost reference-bandwidth 1000 command.  To adjust to distinguish between 100 Mbps Ethernet and Gigabit Ethernet, use the auto- cost reference-bandwidth 10000 command. Interface Type Reference Bandwidth in bps bps 10 Gbps Ethernet 1,000,000,000 1 Gbps Ethernet 1,000,000,000 100 Mbps Ethernet 1,000,000,000 10 Mbps Ethernet 1,000,000,000 1.544 Mbps Serial 1,000,000,000 128 kbps Serial 1,000,000,000 64 kbps Serial 1,000,000,000 Default Bandwidth in ¸ ¸ ¸ ¸ ¸ ¸ ¸ Cost Interface Type Reference Bandwidth in bps 10 Gbps Ethernet 10,000,000,000 10,000,000,000 ¸ ¸ ¸ ¸ ¸ ¸ ¸ 10,000,000,000 1 1,000,000,000 1 1 Gbps Ethernet 10,000,000,000 100,000,000 10 100 Mbps Ethernet 10,000,000,000 10,000,000 100 10 Mbps Ethernet 10,000,000,000 1,544,000 647 1.544 Mbps Serial 110,000,000,000 128,000 7812 128 kbps Serial 10,000,000,000 64,000 15625 64 kbps Serial 10,000,000,000 auto-cost reference-bandwidth 1000 command applied Default Bandwidth in bps Cost 1 1,000,000,000 10 100,000,000 100 10,000,000 1000 1,544,000 6477 128,000 78126 64,000 156250 auto-cost reference-bandwidth © 2016 Cisco and/or its affiliates. All rights reserved. 10000 command applied Cisco Confidential 52
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46 Motor starting example • Below graph shows the bus voltages for starting the four motors three seconds apart 1.08 Bus 8 Bus 2 1.06 Bus 7 Bus 9 0.833 pu Bus 3 1.04 1.02 185 MW 0.909 pu 53 Mvar 1 0.98 0.882 pu Bus 5 39 MW 23 Mvar 37 MW 92 Mvar 0.888 pu 0 MW 0 MW 0 Mvar 0.901 pu 0.917 pu 0 Mvar Bus 6 0.912 pu 0.96 0.94 118 MW 42 Mvar 0.92 Bus 4 0.949 pu 86 MW 25 Mvar 0.9 0.88 Bus1 0.86 0.84 1.003 pu slack 0.82 0.8 0.78 0.76 0.74 0 2 4 g cb d fe g g 6 V pu_Bus Bus1 V pu_Bus Bus 4 V pu_Bus Bus 7 8 g g g 10 V pu_Bus Bus 2 V pu_Bus Bus 5 V pu_Bus Bus 8 12 g g g 14 16 V pu_Bus Bus 3 V pu_Bus Bus 6 V pu_Bus Bus 9 18 20 14 MW 94 Mvar 92 MW 27 Mvar
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Multiple Potential Bus Masters: the Need for Arbitration ° Bus arbitration scheme: • A bus master wanting to use the bus asserts the bus request • A bus master cannot use the bus until its request is granted • A bus master must signal to the arbiter after finish using the bus ° Bus arbitration schemes usually try to balance two factors: • Bus priority: the highest priority device should be serviced first • Fairness: Even the lowest priority device should never be completely locked out from the bus ° Bus arbitration schemes can be divided into four broad classes: • Distributed arbitration by self-selection: each device wanting the bus places a code indicating its identity on the bus. • Distributed arbitration by collision detection: Ethernet uses this. • Daisy chain arbitration: see next slide. • Centralized, parallel arbitration: see next-next slide cs 152 buses.24 ©DAP & SIK 1995
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Why did we choose Panda? Dedicated RS232 WIFI Screen Connectivity Support Voltage Cost Pandaboard YES Beagleboard YES Linksprite Yes, 2 Gumstix NO Built in Addon USB Module USB and HDMI Forums, phone, internet. Addon USB Module Ribbon Addon USB Module HDMI, ribbon Phone, limited forum Mail list, forums, phone 5V $149.00 12V $279.00 5V $442.00 USB and HDMI Active support Forums, internet, phone 5V $174.00
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Helpful SAP Transaction Codes SAP Transaction Code Description ZCOA_BO Chart of Accounts ZSACCTSEC Security for Accounts ZSUSERSEC ZFMRP_RFFMEP1AX User Security Funded Program Budget Actual Report Statistical Orders: Actual Line Items Document Journal-All Postings Report ZOPEN_ENCUMBRANCE Current Open Encumbrance Report F.10 G/L Chart of Accounts S_KI4_38000034 Index of Commitment Items(GLs) FM5S FIFM: Display Fund KS03 Display Cost Center S_KI4_38000038 Index of Funds Centers KO03 Display Internal Order KOK5 Master Data List Internal Orders ZBUDACT Budget To Actual ZBUDGETBALANCE Budget Balance Report ZGMGRANTD Grants Master-Display Only Z_BUD_FP ZKOB1 SAP Security Role Budget Restricted Display General Financial Display Given to every person when they are given an SAP user account Budget Restricted Display Financial Restricted Display for Statistical Orders Budget Restricted Display or Grant Restricted Display Budget Restricted Display General Financial Display Budget Display General Financial Display General Financial Display Budget Display General Financial Display General Financial Display Budget Restricted Display Budget Restricted Display General Grant Display
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Universal Serial Bus - USB With the advances made in technological, both the serial and parallel port have largely been replaced by the use of USB ports, and fewer new devices are designed to include either a serial or parallel port. USB ports support much faster (often 100x or greater) data transfers than serial or parallel. The USB industry standard exists in multiple versions including 1.1, 2.0, 3.0 and 3.1. However, USB ports feature identical physical layouts no matter the version of USB supported. 28
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Connecting our Stuf USB (Universal Serial Bus) HDMI (for display to TV, etc) Ethernet (for Internet)
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The Course Mix • In 2013-14 MMCC ran 347 different course titles – 5 had more than 1,000 students enrolled – 301 had less than 100 students enrolled SPE.101 PSY.212 CIS.13 0 NUR.1 50 ECE.101 ART.1 15 MAT.2 17 PTA.1 05 ALH.212 PTA.1 26 ART.2 30 PSY.283 RAD.2 21 PSY.285 PED.103 BIS.12 6 HED.130 PSY.101 ECO.202 BIS.2 64 NUR.151 ART.135 BUS.231 WLD.130 PTA.106 ALH.213 PTA.130 CIS.1 32 SPE.105 RAD.226 AMS.126 PED.110 BIS.2 34 HED.134 MAT.104 PHL.201 HIS.102 GEL.101 MAT.126 MAT.102 BIS.138 PTA.110 PED.255 PTA.131 PSY.2 95 AMS.214 RAD.230 ACC.252 PHT.115 CIS.225 PED.119 CIS.10 0 PSY.205 BUS.162 NUR.1 21 WLD.125 ECE.112 BIS.25 0 PTA.111 AMS.125 PTA.140 SOC.250 AMS.223 HRA.1 98 CJS.223 ENG.225 ALH.125 PED.203 ENG.111 CHM.105 ACC.211 NUR.124 CIS.221 CIS.135 DRF.210 PTA.115 HRA.116 AMS.2 06 DRF.201 ART.240 HRA.220 BIO.11 0 SPE.205 NUR.133 PED.226 MAT.105 SPN.101 MAT.116 BUS.202 PSY.240 RAD.110 ART.2 15 PTA.1 16 ACC.251 AMS.22 2 HRA.102 CJS.222 ACC.205 BIO.201 DRF.2 50 HUM.251 ENG.202 ENG.222 HIS.21 1 ENG.112 HUM.102 BIS.142 IND.101 ECE.114 HUM.210 CHM.106 HRA.106 HRA.104 CJS.23 3 BUS.1 05 PHT.113 WLD.226 CIS.271 HIS.25 1 BIO.101 BIO.142 HIS.212 REL.111 PSY.281 IND.113 RAD.215 AMS.10 4 ALH.214 HRA.215 ART.245 PHY.212 CIS.2 90 PHT.114 ACC.280 ECE.150 MID.103 SOC.101 SSC.200 SOC.202 SOC.200 DRF.101 DRF.220 DRF.105 HRA.223 ALH.230 CJS.221 CIS.255 PHT.104 ECE.208 REL.2 91 ART.247 TAI.207 AMS.232 ENG.110 ENG.104 HUM.101 BIS.12 0 BIS.12 7 ALH.112 ART.2 35 WLD.126 RAD.1 15 EDU.290 CIS.26 0 PHT.1 05 PED.132 REL.292 BIS.23 8 TAI.20 8 AMS.232 ALH.10 0 POL.20 1 BIS.164 BIS.140 CJS.202 BIS.200 CJS.220 WLD.245 RAD.130 BIO.131 CJS.205 PHT.106 RAD.225 ART.206 CIS.295 MAT.230 WLD.227 MAT.21 2 MAT.12 4 NUR.22 1 NUR.12 5 SOC.289 CJS.204 PHY.103 BUS.225 AMS.124 BIO.245 HRA.10 5 RAD.20 0 PHL.210 BIS.230 SOC.291 HED.132 BUS.151 BIO.210 NUR.222 NUR.128 EDU.107 BIS.1 36 ART.137 CIS.1 75 HRA.108 MAT.060 HRA.204 RAD.201 SOC.222 ECE.207 TAI.2 77 NUR.132 ECO.20 1 HIS.223 NUR.223 NUR.152 PHY.101 BUS.25 0 ECE.1 13 ENG.205 HRA.205 ALH.22 0 HRA.285 HUM.183 SSC.1 11 JOR.120 MAT.226 PED.14 5 HUM.200 BUS.122 NUR.224 SPN.102 SPE.257 CJS.203 AMS.205 AMS.110 HRA.225 RAD.175 IND.116 BUS.241 AMS.116 MID.102 HED.136 WLD.246 PHL.220 ART.105 CHM.111 PSC.101 PTA.101 BIS.254 ART.211 ART.152 WLD.127 RAD.180 CIS.195 CJS.206 ART.236 PSY.103 ENG.206 ART.252 MAT.101 HED.1 15 DRF.120 NUR.228 NUR.127 SPN.201 BIS.240 ART.239 WLD.225 ENG.0 98 CJS.231 CJS.224 BIS.236 AMS.232 MID.1 01 BUS.289 HIS.10 1 MUS.275 NUR.227 ART.130 NUR.130 TAI.275 BIS.255 BUS.1 71 BIS.260 REL.290 CJS.23 2 ECE.201 BIO.135 ACC.2 61 PHL.250 CIS.280 SCI.20 0 SOC.220 NUR.2 25 CJS.200 NUR.1 34 PHY.211 BUS.255 FRN.101 CIS.27 0 DRF.280 ECE.20 2 GER.101 MAT.2 25 ART.254 HRA.2 15 CJS.203 BIO.141 BUS.153 NUR.226 BIO.100 MAT.170 IND.14 0 CJS.201 BIO.203 ALH.250 HRA.240 ECE.20 6 RAD.217 PHY.105 BUS.291 IND.10 2 FRN.102 ACC.201 ART.1 10 ECO.110 ANT.170 HUM.205 ART.2 05 CIS.19 0 CHM.112 PTA.1 25 ACC.231 ENG.213 RAD.2 20 POL.250 CIS.17 6 ART.2 41 PHY.1 06
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Serial Communications Serial and Parallel Ports (Cont.)  Serial Communication  Method of data transmissions in which the bits are transmitted sequentially over a single channel.  Equivalent to a pipe only wide enough to fit one ball at a time. Multiple balls can go into the pipe, but only one at a time, and they only have one exit point, the other end of the pipe.  Parallel communications  Bits can be transmitted simultaneously over multiple wires.  Sends a byte (eight bits) in the time that a serial connection sends a single bit.  On most PCs, parallel ports and RS-232 serial ports have been replaced by the higher speed serial Universal Serial Bus (USB) interfaces.  At one time, most PCs included both serial and parallel ports. Parallel ports were used to connect printers, computers, and other devices © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 16 that required relatively high bandwidth.
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The Bus and Connecting to theXP Bus   Data bus-The path connecting the microprocessor, RAM, and peripherals and back again The data bus needs ports:  USB port (Universal Serial Bus) -where flash drives, cameras, your IPOD connects  Ethernet port-where the internet connects 27
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Ports and Connectors • What are USB ports? USB (universal serial bus) port can connect up to 127 different peripherals together with a single connector type PCs typically have six to eight USB ports on front or back of the system unit Single USB port can be used to attach multiple peripherals using a USB hub The latest version of USB is called USB 2.0
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Ports and Connectors What are USB ports? USB (universal serial bus) port can connect up to 127 different peripherals together with a single connector type PCs typically have six to eight USB ports on front or back of the system unit Single USB port can be used to attach multiple peripherals using a USB hub The latest version of USB is called USB 2.0 33 p. 149 Next
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 Universal Serial Bus (USB)  External, bidirectional, PnP bus for connecting 127 high-speed serial devices via just one port on your computer  In past each type of device required a separate port, an installed adapter for each device and resources assigned to each device.  With USB and IEEE 1394 you no longer deal with DIP switches, jumpers, and limited resources (IRQ settings, DMA channels, I/O addresses)  USB supports PnP, power management, and hot swapping (hot plugging)—can connect or disconnect a USB device while the computer is running (check documentation)
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A Two-Bus System Processor Memory Bus Processor Memory Bus Adaptor I/O Bus Bus Adaptor Bus Adaptor I/O Bus I/O Bus ° I/O buses tap into the processor-memory bus via bus adaptors: • Processor-memory bus: mainly for processor-memory traffic • I/O buses: provide expansion slots for I/O devices ° Apple Macintosh-II • NuBus: Processor, memory, and a few selected I/O devices • SCCI Bus: the rest of the I/O devices cs 152 buses.14 ©DAP & SIK 1995
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