Vai alla pagina of
Manuali d’uso simili
-
Network Card
Cisco Systems WIC-1T
3 pagine 0.01 mb -
Network Card
Cisco Systems 474
88 pagine 1.53 mb -
Network Card
Cisco Systems (VIP6-80)
40 pagine 0.79 mb -
Network Card
Cisco Systems CB20A
6 pagine 0.16 mb -
Network Card
Cisco Systems WS-C2950-12
20 pagine 0.4 mb -
Network Card
Cisco Systems 1105
510 pagine 3.81 mb -
Network Card
Cisco Systems 2602I
38 pagine 1.23 mb -
Network Card
Cisco Systems HWIC-1FE
6 pagine 0.15 mb
Un buon manuale d’uso
Le regole impongono al rivenditore l'obbligo di fornire all'acquirente, insieme alle merci, il manuale d’uso Cisco Systems VIP-FE-TX/4E. La mancanza del manuale d’uso o le informazioni errate fornite al consumatore sono la base di una denuncia in caso di inosservanza del dispositivo con il contratto. Secondo la legge, l’inclusione del manuale d’uso in una forma diversa da quella cartacea è permessa, che viene spesso utilizzato recentemente, includendo una forma grafica o elettronica Cisco Systems VIP-FE-TX/4E o video didattici per gli utenti. La condizione è il suo carattere leggibile e comprensibile.
Che cosa è il manuale d’uso?
La parola deriva dal latino "instructio", cioè organizzare. Così, il manuale d’uso Cisco Systems VIP-FE-TX/4E descrive le fasi del procedimento. Lo scopo del manuale d’uso è istruire, facilitare lo avviamento, l'uso di attrezzature o l’esecuzione di determinate azioni. Il manuale è una raccolta di informazioni sull'oggetto/servizio, un suggerimento.
Purtroppo, pochi utenti prendono il tempo di leggere il manuale d’uso, e un buono manuale non solo permette di conoscere una serie di funzionalità aggiuntive del dispositivo acquistato, ma anche evitare la maggioranza dei guasti.
Quindi cosa dovrebbe contenere il manuale perfetto?
Innanzitutto, il manuale d’uso Cisco Systems VIP-FE-TX/4E dovrebbe contenere:
- informazioni sui dati tecnici del dispositivo Cisco Systems VIP-FE-TX/4E
- nome del fabbricante e anno di fabbricazione Cisco Systems VIP-FE-TX/4E
- istruzioni per l'uso, la regolazione e la manutenzione delle attrezzature Cisco Systems VIP-FE-TX/4E
- segnaletica di sicurezza e certificati che confermano la conformità con le norme pertinenti
Perché non leggiamo i manuali d’uso?
Generalmente questo è dovuto alla mancanza di tempo e certezza per quanto riguarda la funzionalità specifica delle attrezzature acquistate. Purtroppo, la connessione e l’avvio Cisco Systems VIP-FE-TX/4E non sono sufficienti. Questo manuale contiene una serie di linee guida per funzionalità specifiche, la sicurezza, metodi di manutenzione (anche i mezzi che dovrebbero essere usati), eventuali difetti Cisco Systems VIP-FE-TX/4E e modi per risolvere i problemi più comuni durante l'uso. Infine, il manuale contiene le coordinate del servizio Cisco Systems in assenza dell'efficacia delle soluzioni proposte. Attualmente, i manuali d’uso sotto forma di animazioni interessanti e video didattici che sono migliori che la brochure suscitano un interesse considerevole. Questo tipo di manuale permette all'utente di visualizzare tutto il video didattico senza saltare le specifiche e complicate descrizioni tecniche Cisco Systems VIP-FE-TX/4E, come nel caso della versione cartacea.
Perché leggere il manuale d’uso?
Prima di tutto, contiene la risposta sulla struttura, le possibilità del dispositivo Cisco Systems VIP-FE-TX/4E, l'uso di vari accessori ed una serie di informazioni per sfruttare totalmente tutte le caratteristiche e servizi.
Dopo l'acquisto di successo di attrezzature/dispositivo, prendere un momento per familiarizzare con tutte le parti del manuale d'uso Cisco Systems VIP-FE-TX/4E. Attualmente, sono preparati con cura e tradotti per essere comprensibili non solo per gli utenti, ma per svolgere la loro funzione di base di informazioni e di aiuto.
Sommario del manuale d’uso
-
Pagina 1
1 Customer Order Number: Copyright © 1995 Cisco Systems, Inc. All rights reser ved. Documentaion P ar t Number: VIP-FE-TX/4E Installation and Configuration Product Number VIP-FE-TX/4E(=) This configuration note is a standalone publication that provides instructions for installing, configuring, and maintaining the Fast Ethernet/Ethernet V ersati[...]
-
Pagina 2
2 VIP-FE-TX/4E Installation and Configuration Table of Contents T able of Contents This configuration note includes the following sections: • If Y ou Need More Information • V ersatile Interface Processor Functions, page 3 — What is the VIP?, page 3 Note The following section contains important information about the latest Cisco IOS release[...]
-
Pagina 3
VIP-FE-TX/4E Installation and Configuration 3 Versatile Interface Processor Functions For additional information on configuring the Cisco 7000 series or Cisco 7500 series routers, the following documentation resources are a vailable to you: • Uni verCD This publication and all other Cisco Systems publications are av ailable on UniverCD, which is[...]
-
Pagina 4
4 VIP-FE-TX/4E Installation and Configuration Versatile Interface Processor Functions Note The VIP port adapters themselves do not support OIR, nor are the y FR Us. The VIP uses a Reduced Instructions Set Computing (RISC), Mips 4600 processor for high performance, and has an internal operating frequency of 100 megahertz (MHz) and a 50-MHz system b[...]
-
Pagina 5
VIP-FE-TX/4E Installation and Configuration 5 Versatile Interface Processor Functions VIP Software Prerequisites The VIP requires that the host Cisco 7000 series and Cisco 7500 series router is running Cisco Internetwork Operating System (Cisco IOS) Release 11.1(1) or later , or a Cisco-approved beta version of Cisco IOS Release 11.1 or later . Not[...]
-
Pagina 6
6 VIP-FE-TX/4E Installation and Configuration Versatile Interface Processor Functions Cisco 7000 Series Figure 2 and Figure 3 show the rear of the Cisco 7000 series routers: the seven-slot Cisco 7000 and the fiv e-slot Cisco 7010, respectively . In the Cisco 7000 series, two slots are reserved for the SP (or SSP) and RP , or for the 7000 Series R[...]
-
Pagina 7
VIP-FE-TX/4E Installation and Configuration 7 Versatile Interface Processor Functions Figure 3 Cisco 7010, Interface Processor End Cisco 7500 Series Figure 4, Figure 5, and Figure 6 show the rear of the Cisco 7500 series routers: the fi ve-slot Cisco 7505, the sev en-slot Cisco 7507, and the thirteen-slot Cisco 7513, respectiv ely . In the Cisco 7[...]
-
Pagina 8
8 VIP-FE-TX/4E Installation and Configuration Versatile Interface Processor Functions Figure 5 shows the rear of the se ven-slot Cisco 7507 router . In the Cisco 7507, up to two slots (2 and 3) are reserved for the Route Switch Processor (RSP2), which contains the system processor and performs packet switching functions. Slots 0 and 1 and 4 throug[...]
-
Pagina 9
VIP-FE-TX/4E Installation and Configuration 9 Versatile Interface Processor Functions Figure 6 shows the rear of the Cisco 7513 with two A C-input power supplies installed. T wo slots (6 and 7) are reserved for the second generation Route Switch Processor (RSP2), which contains the system processor and performs packet switching functions. Slots 0 t[...]
-
Pagina 10
10 VIP-FE-TX/4E Installation and Configuration Versatile Interface Processor Functions VIP P or t Adapter Hardware Configuration Ov er view The port adapters attach to the VIP motherboard. (See Figure 7.) Each port adapter contains the physical connections for the VIP interface types to connect to your network. Figure 7 VIP with One FE-TX and One[...]
-
Pagina 11
VIP-FE-TX/4E Installation and Configuration 11 Versatile Interface Processor Functions Note The VIP-FE-TX/4E is a fixed configuration. The FE-TX and 4E port adapters are not av ailable as individual spare parts. The entire VIP-FE-TX/4E assembly is a FR U. The FE-TX and 4E port adapters hav e a handle attached, but this handle is not sho wn to all[...]
-
Pagina 12
12 VIP-FE-TX/4E Installation and Configuration Versatile Interface Processor Functions Saf ety Guidelines Follo wing are safety guidelines that you should follow when working with any equipment that connects to electrical power or telephone wiring. Electrical Equipment Guidelines Follo w these basic guidelines when working with any electrical equi[...]
-
Pagina 13
VIP-FE-TX/4E Installation and Configuration 13 Versatile Interface Processor Functions • Handle carriers by the handles and carrier edges only; av oid touching the board or connectors. • Place a remov ed processor module board-side-up on an antistatic surface or in a static shielding bag. If you plan to return the component to the factory , imm[...]
-
Pagina 14
14 VIP-FE-TX/4E Installation and Configuration Versatile Interface Processor Functions The system brings on line only interfaces that match the current configuration and were pre viously configured as up; all others require that you configure them with the configure command. OIR functionality enables you to add, remov e, or replace interface p[...]
-
Pagina 15
VIP-FE-TX/4E Installation and Configuration 15 Versatile Interface Processor Functions Figure 8 Ejector Lever s and Captive Installation Screws on the VIP (Horizontal Orientation Shown) Note The VIP is oriented horizontally in the Cisco 7010 and Cisco 7505 and vertically in the Cisco 7000, Cisco 7507, and Cisco 7513. Interface processor card slot I[...]
-
Pagina 16
16 VIP-FE-TX/4E Installation and Configuration Versatile Interface Processor Functions VIP Installation The follo wing sections describe the procedures for removing or installing a VIP in the Cisco 7000 series and Cisco 7500 series routers. The functionality is the same for each router model; therefore, the term the chassis will be used e xcept wh[...]
-
Pagina 17
VIP-FE-TX/4E Installation and Configuration 17 Versatile Interface Processor Functions Figure 9 shows proper handling of an interface processor during installation. Figure 9 Handling Processor Modules f or Installation and Remov al (Horizontal Orientation Shown) T o remove a VIP , follo w these steps: Step 1 If you are replacing a failed VIP , disc[...]
-
Pagina 18
18 VIP-FE-TX/4E Installation and Configuration Versatile Interface Processor Functions Installing a VIP The VIP slides into the open interface processor slot and connects directly to the backplane. The interface processors are ke yed to guide pins on the backplane, so the VIP can be installed only in an interface processor slot. Figure 8 shows the[...]
-
Pagina 19
VIP-FE-TX/4E Installation and Configuration 19 Versatile Interface Processor Functions Checking the Installation and V erifying VIP Status Y ou can use the configure command to configure a VIP interface. T o use the configure command, enter the privile ged le vel of the EXEC command interpreter with the enable command. The system will prompt you[...]
-
Pagina 20
20 VIP-FE-TX/4E Installation and Configuration Versatile Interface Processor Functions Note When a ne w VIP is inserted or when a VIP is mov ed to a new slot, the system recognizes the new interf aces, but lea ves them in a shutdown state until you configure them and change their state to up with the configure command. The follo wing example dis[...]
-
Pagina 21
VIP-FE-TX/4E Installation and Configuration 21 Versatile Interface Processor Functions Step 7 When the interfaces are up, check the activity of each interf ace by observing the status LEDs, which are described in the appropriate LED section for your port adapter type. Step 8 In general, if an interface’ s LED fails to go on and a cable is connect[...]
-
Pagina 22
22 VIP-FE-TX/4E Installation and Configuration Versatile Interface Processor Functions The show contr ollers cbus command displays the internal status of each interf ace processor , including the slot location, the card hardware v ersion, and the currently-running microcode version. It also lists each interface (port) on each interface processor i[...]
-
Pagina 23
VIP-FE-TX/4E Installation and Configuration 23 Versatile Interface Processor Functions Upgrading VIP Microcode The Cisco 7000 series and the Cisco 7500 series support downloadable microcode, which enables you to upgrade microcode versions without ha ving to physically replace the microcode Flash memory device on the board. Y ou can do wnload ne w m[...]
-
Pagina 24
24 VIP-FE-TX/4E Installation and Configuration Versatile Interface Processor Functions Follo w these steps to download (copy) a microcode v ersion from a TFTP server to Flash memory . Step 1 T o display the total amount of Flash memory present, its location, any files that currently exist in Flash memory and their size, and the amount of Flash me[...]
-
Pagina 25
VIP-FE-TX/4E Installation and Configuration 25 Versatile Interface Processor Functions Step 5 T o ensure that the ne w microcode is used when you reboot the system, add the appropriate commands to the configuration file. T o modify the configuration file, enter the configure terminal command, as follows: Router# config t Enter configuration co[...]
-
Pagina 26
26 VIP-FE-TX/4E Installation and Configuration Versatile Interface Processor Functions Upgrading and Replacing DRAM SIMMs VIPs are shipped with 8 MB of DRAM as the default memory configuration. Depending on memory requirements, you might need to upgrade the amount of DRAM by replacing the DRAM SIMMs on the VIP . Y ou also might need to replace a [...]
-
Pagina 27
VIP-FE-TX/4E Installation and Configuration 27 Versatile Interface Processor Functions Follo wing is the procedure for replacing or upgrading DRAM SIMMs. Step 1 Attach an ESD-prev entiv e wrist strap between you and an unpainted chassis or VIP surface. Step 2 Disconnect all cables from the VIP and remove it from the chassis using the procedure in t[...]
-
Pagina 28
28 VIP-FE-TX/4E Installation and Configuration Versatile Interface Processor Functions Step 5 Remove a SIMM by pulling outw ard on the connectors to unlatch it, as shown in the enlargement in Figure 12. Be careful not to break the holders on the SIMM connector . Figure 12 Removing and Replacing DRAM SIMMs Step 6 Using the SIMM orientation shown in[...]
-
Pagina 29
VIP-FE-TX/4E Installation and Configuration 29 VIP Port Adapter Functions VIP P or t Adapter Functions The follo wing sections discuss the port adapters used with the VIP: • FE-TX Port Adapter • 4E Port Adapter , page 44 FE-TX P or t Adapter The follo wing sections discuss the FE-TX port adapter , which is sho wn in Figure 13. • Fast Ethernet[...]
-
Pagina 30
30 VIP-FE-TX/4E Installation and Configuration VIP Port Adapter Functions The stations detect the collision and use backof f algorithms to determine when they should retransmit. Both Ethernet and IEEE 802.3u are broadcast networks, which means that all stations see all transmissions. Each station must examine recei ved frames to determine whether [...]
-
Pagina 31
VIP-FE-TX/4E Installation and Configuration 31 VIP Port Adapter Functions FE-TX P or t Adapter Descr iption and F ast Ether net Specifications The FE-TX port adapter is av ailable in the following VIP configurations: FE-TX/blank, FE-TX/4E, or FE-TX/FE-TX. (For a description of the 4E port adapter , refer to the section “4E Port Adapter” on pa[...]
-
Pagina 32
32 VIP-FE-TX/4E Installation and Configuration VIP Port Adapter Functions T able 1 lists the cabling specifications for 100-Mbps Fast Ethernet transmission ov er UTP and STP cables. T able 2 summarizes IEEE 802.3u 100BASE-T physical characteristics. T able 1 Specifications and Connection Limits for 100-Mbps 100B ASE-T T ransmission T able 2 IEEE[...]
-
Pagina 33
VIP-FE-TX/4E Installation and Configuration 33 VIP Port Adapter Functions The bank of three status LEDs indicates the following: • MII—On when the MII port is selected as the activ e port by the controller . • Link—When the RJ-45 port is activ e, this LED is on when the FE-TX port adapter is receiving a carrier signal from the network. When[...]
-
Pagina 34
34 VIP-FE-TX/4E Installation and Configuration VIP Port Adapter Functions T able 3 FE-TX RJ-45 Connector Pinout Note Referring to the RJ-45 pinout in T able 3, proper common-mode line terminations should be used for the unused Category 5, UTP cable pairs 4/5 and 7/8. Common-mode termination reduces the contributions to electromagnetic interference[...]
-
Pagina 35
VIP-FE-TX/4E Installation and Configuration 35 VIP Port Adapter Functions The MII receptacle uses 2-56 screw-type locks, called jac kscr ews (sho wn in Figure 19), to secure the cable or transcei ver to the MII port. MII cables and transcei vers ha ve knurled thumbscre ws (scre ws you can tighten with your fingers) that you fasten to the jackscre [...]
-
Pagina 36
36 VIP-FE-TX/4E Installation and Configuration VIP Port Adapter Functions Attaching FE-TX P or t Adapter Interface Cab les On a single 100B ASE-T port adapter , you can use either the RJ-45 connection or the MII connection. If you hav e two FE-TX, 100B ASE-T port adapters on your VIP , you can use the RJ-45 connection on one and the MII connection[...]
-
Pagina 37
VIP-FE-TX/4E Installation and Configuration 37 VIP Port Adapter Functions Step 2 Attach the ferrite bead to the RJ-45 cable (at either end), as shown in Figure 21. Caution The ferrite bead prev ents electromagnetic interference (EMI) from affecting the FE-TX-equipped system and is a required component for proper system operation. Figure 21 Attachin[...]
-
Pagina 38
38 VIP-FE-TX/4E Installation and Configuration VIP Port Adapter Functions Note The configure command requires pri vileged-lev el access to the EXEC command interpreter , which usually requires a password. Contact your system administrator , if necessary , to obtain EXEC-lev el access. Selecting Chassis Slot, P or t Adapter , and F ast Ether net I[...]
-
Pagina 39
VIP-FE-TX/4E Installation and Configuration 39 VIP Port Adapter Functions Figure 22 shows some of the slot port adapter and interface ports of a sample Cisco 7505 system. For e xample, on a FE-TX/FE-TX VIP in slot 3, the address of the first Fast Ethernet port adapter is 3/0/0 (chassis slot 3, port adapter slot 0, and interface port 0), and the ad[...]
-
Pagina 40
40 VIP-FE-TX/4E Installation and Configuration VIP Port Adapter Functions Fast Ethernet interf ace port adapters are numbered from 0 and 1 because VIPs support up to two 100B ASE-T ports. The MII and RJ-45 ports on a port adapter each hav e the same port number because only one of them can be used at one time. Refer to T able 5, T able 6, T able 7[...]
-
Pagina 41
VIP-FE-TX/4E Installation and Configuration 41 VIP Port Adapter Functions T able 9 FE-TX Slot, Port Adapter , and P ort Numbers in a Cisco 7513 W ith the show interfaces type slot/port adapter/por t command, use ar guments such as the interface type (fastethernet, and so forth) and the port number (slot/port) to display information about a specifi[...]
-
Pagina 42
42 VIP-FE-TX/4E Installation and Configuration VIP Port Adapter Functions FE-TX half-duplex operation is the def ault. T o change to full-duplex operation, use the following series of commands: Router# configure terminal Enter configuration commands, one per line. End with CNTL/Z. Router(config)# Router(config)# interface fastethernet 3/0/0 Router[...]
-
Pagina 43
VIP-FE-TX/4E Installation and Configuration 43 VIP Port Adapter Functions The show version (or sho w hardwar e ) command displays the configuration of the system hardware (the number of each interface processor type installed), the software v ersion, the names and sources of configuration files, and the boot images. Follo wing is an example of t[...]
-
Pagina 44
44 VIP-FE-TX/4E Installation and Configuration VIP Port Adapter Functions 4E P or t Adapter The follo wing sections discuss the 4E port adapter , which is sho wn in Figure 23. • Ethernet 10B ASE-T Overvie w • 4E Port Adapter Description and 10B ASE-T Specifications, page 45 • 4E Port Adapter LEDs, page 47 • 4E Port Adapter Receptacles, Ca[...]
-
Pagina 45
VIP-FE-TX/4E Installation and Configuration 45 VIP Port Adapter Functions Both Ethernet and IEEE 802.3 are broadcast networks, which means that all stations see all transmissions. Each station must examine recei ved frames to determine whether it is the intended destination and, if it is, pass the frame to a higher protocol layer for processing. IE[...]
-
Pagina 46
46 VIP-FE-TX/4E Installation and Configuration VIP Port Adapter Functions T able 10 summarizes the characteristics of IEEE 802.3 Ethernet and Ethernet V ersion 2 for 10B ASE-T . T able 10 IEEE 802.3 and 10BASE-T Ethernet V ersion 2 Physical Characteristics T able 11 lists the cabling specifications for 10-Mbps transmission ov er UTP and STP cable[...]
-
Pagina 47
VIP-FE-TX/4E Installation and Configuration 47 VIP Port Adapter Functions 4E P or t Adapter LEDs The 4E port adapter contains the enabled LED, standard on all port adapters, and a one status LED for each port. After system initialization, the enabled LED goes on to indicate that the 4E port adapter has been enabled for operation. (The LEDs are show[...]
-
Pagina 48
48 VIP-FE-TX/4E Installation and Configuration VIP Port Adapter Functions T able 12 4E RJ-45 Connector Pinout Note Referring to the RJ-45 pinout in T able 12, proper common-mode line terminations should be used for the unused Category 5, UTP cable pairs 4/5 and 7/8. Common-mode termination reduces the contributions to electromagnetic interference [...]
-
Pagina 49
VIP-FE-TX/4E Installation and Configuration 49 VIP Port Adapter Functions Attaching 4E P or t Adapter Interface Cab les On a single 4E port adapter , you can use up to four RJ-45 connections. Note RJ-45 cables are not av ailable from Cisco Systems; they are av ailable from outside commercial cable vendors. Connect RJ-45 cables to the 4E port adapte[...]
-
Pagina 50
50 VIP-FE-TX/4E Installation and Configuration VIP Port Adapter Functions Step 2 Attach the ferrite bead to the RJ-45 cable (at either end), as shown in Figure 30. Caution The ferrite bead prev ents electromagnetic interference (EMI) from affecting the 4E-equipped system and is a required component for proper system operation. Figure 30 Attaching [...]
-
Pagina 51
VIP-FE-TX/4E Installation and Configuration 51 VIP Port Adapter Functions Selecting Chassis Slot, P or t Adapter , and Ethernet 10BASE-T Interface P or t Numbers The follo wing section describes how to identify chassis slot, port adapter , and Ethernet 10B ASE-T interface port numbers. Note Although the processor slots in the sev en-slot Cisco 7000[...]
-
Pagina 52
52 VIP-FE-TX/4E Installation and Configuration VIP Port Adapter Functions Figure 22 shows some of the slot port adapter and interface ports of a sample Cisco 7505 system. For e xample, on a FE-TX/4E VIP in slot 3, the address of the first Fast Ethernet port adapter is 3/0/0 (chassis slot 3, port adapter slot 0, and interface port 0—see the sect[...]
-
Pagina 53
VIP-FE-TX/4E Installation and Configuration 53 VIP Port Adapter Functions Follo wing is an example of how the show interfaces [ type slot/port adapter/port ] command displays status information (including the physical slot and port address) for the interfaces you specify . In these examples, most of the status information for each interface is omit[...]
-
Pagina 54
54 VIP-FE-TX/4E Installation and Configuration VIP Port Adapter Functions Refer to T able 13, T able 14, T able 15, T able 16, and T able 17 for the 4E port numbers associated with the interface processor slots in your chassis. Note T able 13, T able 14, T able 15, T able 16, and T able 17 indicate 4E interface port numbers based on the slots in w[...]
-
Pagina 55
VIP-FE-TX/4E Installation and Configuration 55 VIP Port Adapter Functions T able 16 4E Slot, Port Adapter , and Port Numbers in a Cisco 7507 T able 17 4E Slot, Port Adapter , and Port Numbers in a Cisco 7513 W ith the show interfaces type slot/port adapter/port command, use ar guments such as the interface type (ethernet, and so forth) and the slot[...]
-
Pagina 56
56 VIP-FE-TX/4E Installation and Configuration VIP Port Adapter Functions The show version (or show hardware ) command displays the configuration of the system hardware (the number of each interface processor type installed), the software v ersion, the names and sources of configuration files, and the boot images. Follo wing is an example of th[...]
-
Pagina 57
VIP-FE-TX/4E Installation and Configuration 57 SELV Circuit Warning Translations SEL V Cir cuit W arning T ranslations W arning The ports labeled “Ethernet, ” “10BaseT , ” “T oken Ring, ” “Console, ” and “ A UX” are safety extra-lo w voltage (SEL V) circuits. SEL V circuits should only be connected to other SEL V circuits. Becau[...]
-
Pagina 58
58 VIP-FE-TX/4E Installation and Configuration Cisco Information Online Cisco Inf ormation Online Cisco Information Online (CIO) is Cisco Systems’ primary , real-time support channel. Maintenance customers and partners can self-register on CIO to obtain additional content and services. A vailable 24 hours a day , 7 days a week, CIO provides a we[...]