Cisco Systems UBR7225VXR manuale d’uso

Q UICK S TART G UIDE Cisco uBR7225VXR Universal Broadband Router 1 Overview 2 Preparing for Installation 3 Installation Guidelines 4 Installing the Chassis 5 Connecting the Chassis to P ower 6 Cabling 7 P owering on the Cisco uBR7225VXR Router 8 T roubleshooting the In stallation 9 Rel at ed Do cu me nta ti on 10 Obtaining Documentation and Submit [...]

2 • Supports both 6-MHz North American channel plans using IT U-T J.83 Annex B operation and 8-MHz phase alternating line (P AL) and Sequential Coulour A vec Memoire (SECAM ) channel plans using ITU-T J.83 Annex A operation. • W orks in conjunction w ith dialup access products to support upstream traffic from DOCSIS-based cable interfaces conne[...]

3 Figur e 1 Fr ont View of the Chassis Figure 2 Rear View of the Chassis 1 Cable interface card slot 1 2 Cable interface car d slot 2 1 Gigabit Ethernet 0/1 5 Console port 2 Gigabit Ethernet 0/2 6 Auxiliary port 3 Gigabit Ethernet 0/3 7 AC-input power supply 2 4 Network processing engine 8 AC-input power supply 1 270489 uBR7225 -VXR US2 US4 US5 US6[...]

4 Card Slot and Logica l Interface Numbering The cable interface line card slots maintain the same slot number regardless of whether other cable interface line cards are installed or removed. However , when you mo ve a line card to a different slot, the lo gical interface number cha nges to reflect t he new slot number . (See Figure 3 .) Figur e 3 [...]

5 Temperature and Humi dity Requirements Table 1 and Table 2 list the nomina l operating and non-operating environm ent requirements. Any measurements that approach the minimum or maximum of a range indicate a potential problem. T able 1 Oper ating En vir onment T able 2 No n-oper ating Environment Verifying Contents After Unpacking Power cables, m[...]

6 Installation Tools and Equipment The tools and equipment listed below are recommended as th e minimum necessary to ins tall the Cisco uBR7225VXR router . Other equipment may include test equipment to c heck electronic and optical signal level s , power levels, and communicatio ns links. • Rack-mounting kit (includes brackets and screws) • Num[...]

7 For details about cabling specifications, refer to the Network Processing Engine and Networ k Services Engine Installation and Configuration guide at the following U RL: http://www.cisco.com/en/US/products/hw/cable/ps2217/prod_installation _guides_list.html Note A shielded CA T5e cable must be used to meet EMI Class A certification. For details a[...]

8 Rack-Mount Installation Guidelines • Allow sufficient clearance around the rack fo r maintenance.Y ou need 36 in. (91.44 cm) of clea rance to remove and replace system componen ts. • Always place the heavier equipment in the lower half o f the rack. • If the rack is provided with stabili zing devices, install the stabilizers before m ountin[...]

9 Attach the Rack-Mount Brackets to the Rear of the Chassis T o install the rack-mount brackets on the chassis for a re ar rack-mount configuration, complete the following steps: Step 1 Locate the threaded holes in the rear sides of the chassis. Step 2 Align the first rack-mount bracket to the threaded holes in one sid e of the chassis as shown in [...]

10 Step 3 Thread the four M4 x 6-mm Phillips flathead screws through the bracket and into the side of the chassis. Use a number 2 Phillips screwdriver to tigh ten the screws. Step 4 Repeat Step 1 through Step 3 for the other rack-mount bracket. Note Ensure you fasten the cable-management bracke t before installing the chassis in the rack. Attach th[...]

11 Installing the Cable-Management Bracket Before installing the chassis in the ra ck, both rack-mount brackets and the cabl e-management bracket must be installed. T o install the cable-management bra cket, complete the following steps: Step 1 Align the cable-management bracket with the two right front threaded holes in the chassis as shown in Fig[...]

12 Installing the Chassis in the Rack War ni ng This unit is intend ed for installation in restricted access are as. A restricted access area can b e accessed only through the use of a special tool, lock and key , or other means of security. Statement 1017 Caution Because the brackets support the weight of the entire ch assi s, be sure to use all o[...]

13 Connecting the Chassis to Ground Before connecting power and turning on the router , you must pr ovide an adequate ground conn ection for your system. T wo M5 ground receptacles provide a chassis ground connection for electrostatic discharge (E SD) and for your safety . A grounding lug mount is provided on the rear of the chassis. The mounting n[...]

14 T o connect th e Ci sco uBR7225VXR router chassis t o ground, complete the following steps : Step 1 Ensure that there is no power going to the router . Step 2 Use the wire stripper to strip approximately 0.75 in (2 cm) of shielding from one end of the 6-A WG wire. Step 3 Insert the stripped end of the wire into the wire receptacle on the groundi[...]

15 Step 2 Plug the power cab le into the AC connector of the power supply . Note For additional AC power cable strain relief, se cure the cabl e to the power supply handle by inserting a nylon cable tie through the hole in the handle and aro und the cable. Step 3 Plug the AC power supply cable into the AC power source. Repeat Step 1 through Step 3 [...]

16 7 Powering on the Cisco uBR7225VXR Router After installing your Cisco uBR7225VXR uni versal broadband router and connecting cables, check the following condi tions before powering on the router: • Every component is securely inserted in the right sl ot and the captive installation screws are tightened. • All network interface line cables are[...]

17 Identify Startup Problems Startup problems are commonly caused by source p ower problems or a board (network processing engine or cable interfa ce line card) that is not properly connected to the midplane. With the exception of the fa n tray a nd network processing engine, LEDs indicate all system states in the startup sequence. By checki ng the[...]

18 10 Obtaining Documentation and Submitting a Service Request For information on obtaining documentation, submitting a service request, and gathering additional information, see the monthly What’ s New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at: http://www.cisco.com/en/US/docs/general/w[...]

Americas He adquarters Cisco Systems, Inc. San Jose, CA Asia Pacific Headqua rters Cisco Systems (USA) Pte. Ltd. Singapore Europe Head quarters Cisco Systems International BV Amsterdam, The Netherlands Cisco has more than 200 offices worldwide. Addres ses, phone numbers, and fax numbers are listed on the Cisco W ebsite at http://www.cisco.com/go/of[...]

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