Cisco UBR10012 manuale d’uso

Americas Headquarters: Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA Cisco uBR10012 Series Universal Broadband Router–Quick Start Guide Part Number: OL-24972-01 Revised: April 15, 201 0 Contents This document incl udes procedures for in stalling and remo ving the Cisco uBR1001 2 components that are shipped with the Cisco[...]

2 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Objective Objective The purpose of this document i s to provi de installation, remo v al, and troubleshooting information for the fan assembly modul e installed in the Cisco uBR10012 u niv ersal broadband router . Audience This document i s intended for f ield servi[...]

3 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Cisco One-Year Limited Ha rdware Warranty Terms Y ou can also contact t he Cisco servi ce and support website for assistance: http://www.cisco.com/en/US/s upport/ Duration of Hardware Warra nty One (1) year Replacement, Repair, or Refund Policy for Hardware Cisco or[...]

4 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Overview Overview The Cisco uBR10012 uni versal broadband router is an aggre gation platform that pro vides a high-end, high-performance, high-capacity Cable Modem T ermination System (CMTS) solution. Th e system provides h igh-speed data, broadband enter tainment, [...]

5 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Overview War ni n g Only trained and qualified personn el should be allowed to install, replac e, or service this equipm ent. Statement 1030 For transl ations of the w a rnings used in this docu ment, see the Cisco Regulatory Compliance and Safety Information docume[...]

6 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Overview Figur e 2 Fr ont and Rear Chassis Views Fan Assembly Modules The Cisco uBR10012 chassis uses a fan assembly modul e containing fans to su pply cooling air to the chassis. The fan assembly connects to the chassis through a bl ind mate connector that plu gs i[...]

7 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Overview Fan Assembly Module (UBR10-FAN-ASSY=) This fan assembly m odule has f our internal fans that draw cool ing air into the front o f the chassis and direct it across the in ternal components. The air is e xhausted through the open ings in the rear of the chass[...]

8 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Overview Figure 4 F an Assembly Module (UBR1 0 0 12-F AN-PLUS=) This fan assembly module w orks at four variable speed le vels (0, 1, 2, and 3). The operating speed of the fan is determined b y the temperature of the facility . A thermistor , mounted on the fan asse[...]

9 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Overview Table 1 lists the default a ctiv ati on status of t h e PR ODUCT ID LED/switch when it is shipped. When you press the PR O DUCT ID LED/switch it ill uminates (green) and the Cisco IOS software identif ies the fan assembly module as UBR10012-F AN-PLUS only i[...]

10 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Overview AC Power Entry Modules The Cisco uBR10012 router is shi pped with two A C pow er entry modules (A C PEMs) that provid e po wer supply to the syst em. One A C PEM module is suf ficient to provide p ower for a fully conf igured chassis. Ho wev er , if one A [...]

11 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Overview Figure 5 AC PEM Modu le (UBR1 0-PWR-A C=) AC PEM Module (UBR10-PWR-AC-PLUS=) This A C PEM module prov ides a po wer output of 33 00 W with dual A C-input power con nections. This A C PEM module provides: • Increase d po wer to the chas sis • Load share[...]

12 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Overview Figure 6 sho ws the faceplate of th e AC PEM module, which ha s: • T wo A C pow er receptacl es—These connec t to the fa cility po wer source. • A C PEM enable power swit ch—This po wers on the A C PEM module. • A C power cord clips—These help [...]

13 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Overview Table 3 lists the default a ctiv ati on status of t h e PR ODUCT ID LED/switch when it is shipped. When you press the PR O DUCT ID LED/switch it ill uminates (green) and the Cisco IOS software identif ies the PEM module as UBR10-PWR-A C-PLUS only if you ar[...]

14 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Overview DC Power Entry Modules The Cisco uBR10012 router is shipped w ith two DC po wer entry modules (DC PEMs) that pro vide power to the system. One DC PEM ca n provide suff icient power for a fully configured chassis. Ho wever , if one DC PEM fails, the o ther [...]

15 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Overview Figure 7 DC P ower Entry Mo dule (UBR1 0-PWR-DC=) Three LEDs (PO WER, MISWIRE, and F A UL T) indi cate the status of the DC PEM module . Note The DC PEMs receiv e –48 /–60 VDC power thro ugh two separate DC terminal blocks l ocated beneath each PEM in [...]

16 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Overview Note The U-CHAS-CO VER-PLUS= front cover must be us ed with the 3300 W DC PEM modules for proper routing of the DC cables t hrough the chassis to the f acility po wer source. Figure 8 sho ws the faceplate of this DC PEM module, which has: • T wo DC po we[...]

17 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Overview Fi ve LEDs (V1 PO WER, V2 PO WER, POWER, MISWIR E, and F A U L T) indicate the status of the DC PEM module. In addi tion, there is a PR OD UCT ID LED/switch on the front pa nel of the DC PEM module. Table 5 lists the default a ctiv ati on status of t h e P[...]

18 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Preparing the Site Table 6 summarizes the specifications of the DC PEM modules. Preparing the Site Do not unpack the chassi s until you are r eady to instal l it. K eep the chassis in the shipping container to prev ent accidental damage unt il y ou dete rmine an in[...]

19 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Preparing the Site Site Environment Guidelines War ni n g This unit is intend ed for installation in restricted access are as. A restricted access area can be accessed only through the use of a special too l, lock and key , or other means of security . Statement 10[...]

20 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Preparing the Site Power Guidelines Caution The Cisco uBR10012 router installatio n must comply with all applicable codes and is approv ed for use only with copper condu ctors. The ground bond f astening hardware should be of compat ible material and preclude loose[...]

21 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Preparing the Site War ni n g Connect the unit only to DC power source that c omplies with the safety extra-low volta ge (SEL V) requirements in IEC 60950 based safety standards. Statement 1033 Note The Cisco uBR10012 router (using DC po wer supplies) is not shippe[...]

22 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Installing the Chassis Installing the Chassis Ti p For easier installation, rest the chassis on an instal lation shelf wh ile installing the chassis in a rack. Rack-Mounting Guidelines • Allo w suff icient clearanc e around th e rack fo r mainte nanc e.Y ou need [...]

23 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Installing the Chassis Verifying Contents After Unpacking Po wer cables, manuals, and other additional i tems are packaged in separate box es. After you have unpacked the system, verify that you hav e re ceiv e d all the required components and d ocumentation. Step[...]

24 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Installing the Chassis Before You Begin • Make sure that you hav e an antistatic surface av ailable for the components that you are remo ving from the chassis. • Make sure that you are wearing an tistatic protection su ch as a wrist strap or heel strap and are [...]

25 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Installing the Chassis Attaching the Mounting Brackets The Cisco uBR10012 router is shipped w ith four mounting brack ets that can be attached to ei ther the front or rear of the chassis . The brackets can be mounted either flush with the ed ge of the cha ssis or s[...]

26 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Installing the Chassis Figure 1 0 Installing the Moun ting Brack ets—Flush Mo unt Fr o nt and Offset Mount Fr ont Installing the Chassis in the Rack W ith the fan assembly , PEMs, PREs, line cards, and uplink cards remov ed from the chassis, and the mounting brac[...]

27 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Installing the Chassis Optional AC Power Shelf If you are installin g the A C power sh elf, read the installation i nstructions that are provided with th e shelf or see 2400W A C-Input P ower Shelf for the Cisco uBR10012 Universal Br oadband Router at the follo win[...]

28 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Installing the Chassis Note Figure 11 sho ws the chassis flush-mounted at the rear . The procedure is identical for the front mounting method. Figur e 1 1 Installing the Ch assis in a Rack using the Rear M ounting Brack ets Connecting the Chassis to Ground Connecti[...]

29 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Installing the Chassis Caution The importance of proper g rounding cannot be o veremphasized. I t will minimize the potential fo r damage to your system and maximize safety at the system site. W e recommend that you consult a licensed electrician o r your local el [...]

30 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Installing the Chassis Figure 12 Ground Location Connecting the Alarm Indicators The Cisco uBR10012 router pro vides relay contacts for optional (customer -supplied) audible or visual alarm indicators. Relay contacts are prov ided for three levels of se verity . Ca[...]

31 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Installing the Chassis b. If you are wiring the router in series with other equipment for the alarm indi cators, connect the othe r lead to the no rmally cl osed (NC) te rminal. c. If you are wiri ng the router in parallel wit h other equipment for the alarm i ndic[...]

32 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Installing the Chassis Figur e 14 F er r ite Beads on Gr ound Cable and Alar m Cable Attaching Ferrite Beads on DC Power Cables For Class B emission compli ance requirements, two ferrite beads must be installed o n the DC-input power cables. This is applicable for [...]

33 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Installing the Chassis Figur e 15 F er r ite Beads Attac hed on DC-input Po wer Cables Connecting the DC Power Cables to the Cisco uBR10012 Router The DC po wer sources can be present at the site, or the y can be provided b y an external A C-input po wer shelf. If [...]

34 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Installing the Chassis Connecting the DC Power Cables for the UBR10-PWR-DC= Module Equipment • W ire stripper • DC power cables, customer prov ided Note The Cisco uBR10012 router (using DC p ower suppl ies) is not shipped with wiri ng to connect to a DC power s[...]

35 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Installing the Chassis Step 6 Connect the second DC power sour ce to the PEM 1 terminal (righ t terminal) as in Step 5 . Step 7 If you are connecting visual or audio alarm indicators t o your system, go to the “Connecting the Alarm Indicators” section on page 3[...]

36 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Installing the Chassis Step 6 Secure the dual-hole lugs t o the input studs on th e DC terminal blocks b y reinstalling the nuts. Note Secure the nuts using a 10 mm h ex sock et dri ver with an installation torque of 50-in lbs. Caution Y ou must attach both pairs o[...]

37 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Installing the Chassis Figure 1 7 Routing t he DC-input Cab les on the UBR1 0-PWR-DC-PLUS= Module Step 9 Reinstall the safety co ver on the DC po wer terminal blocks on bot h the PEM modules. Step 10 Install t he U-CHAS-CO VER-PLUS= front cov er on the DC PEM modul[...]

38 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Installing the Chassis Figur e 18 Routing the DC-input Cables Fr om the Fron t Cov er Installing the Modules Installing the PRE Modules T o replace the PRE modules in the Cisco uBR10012 router: Step 1 Align the PRE module with the card guides in the slot . (See Fig[...]

39 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Installing the Chassis Figur e 19 Installing the PRE Module Note T o tighten the capti ve screws on t he PRE modules , line cards, TCC cards, and fan assembly , the installation torque u sed should be 8 in-lbs. Installing the DC Power Entry Modules The installation[...]

40 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Installing the Chassis Step 5 If you are using the UBR10-PWR-D C= module, then th e DC power cables must be connected to the DC terminal co nnectors in th e midplane of the chassis before the DC PEM modules are installed. See “Connecting the DC Power Cable s for [...]

41 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Installing the Chassis T o install the A C PEM module on the Cisco uBR10012 rou ter: Step 1 V erify that the po wer switch on the A C PEM is in the Standby (0) position. Caution Do not connect po wer to the A C power sources or apply po wer to the chassis. This is [...]

42 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Installing the Chassis Figur e 21 Routing the A C Cables on the UBR1 0-PWR-AC-PLUS= Module Step 7 Install the U-CHAS-CO VER-PLUS= front cover on t he UBR-PWR-A C-PLUS= AC PEM modules for proper routing of t he A C cables. Step 8 Route the cables through the not ch [...]

43 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Installing the Chassis Figur e 22 Routing of the A C cables Fr om the Fr ont Cov er Installing the Fan Assembly Module The installation procedure is the same for both the fan assembl y modules (UBR10-F AN-ASSY= and UBR10012-F AN-PLUS=). Figure 23 is a sample r epre[...]

44 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Installing the Chassis Caution Do not remov e the required EMI gaskets from the UBR10012-F AN-PLUS= fan assembly module. Note The EMI gaskets on the Ci sco uBR10012 router ch assis are used with the UBR10-F AN-ASSY= fan assembly module. F or information on installi[...]

45 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Installing the Chassis Installing the Line Cards and Uplink Cards T o install the line an d uplink cards in the Cisco uBR100 12 router: Step 1 Align the upper and lo wer edges of the card with the upp er and lo wer guides in the chassis. (See Figure 24 .) Ti p Gras[...]

46 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Installing the Chassis Installing the HHGE Line Cards Caution Always inst all the HHGE line cards in a slot spli tter . Slot splitters must be installed in Sl ot 3 or Slot 4 of the chassis. If you ha ve a blank slot, alw ays insta ll a blank sl ot cov er . Use half[...]

47 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Connecting Cab les Connecting Cables Ti p T o reduce the chance of interference , av oid crossing the power cables with an y of the interface cables. V erify all cabling limitati ons (particularly distance) b efore po wering on the system. Connect the Console Port [...]

48 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Connecting Cables Figure 25 Console and A uxiliary Por t Connection on the PR E Module Auxiliary Port The auxiliary port provides a conn ection for a modem to allow remo te access to the router and its command-line interface (CLI). T o connect th e auxiliary port t[...]

49 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Connecting Cab les Equipment • An Ethernet hub (suc h as a Cisco M icro Hub) • An Ethernet cable that meet s the following specif ications: – RJ-45 (male) to RJ-45 (male) straight-throu gh cable (see Figure 26 ) – 100-ohm categ ory 3, 4, or 5, no longer tha[...]

50 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Connecting Cables 100BASE-T Ethernet Network The RJ-45 port on the PRE is conf igurable for 100-Mbps full-duple x or half-duplex operation (half-duplex is the default) and supports IEEE 802.3, Ethe rnet, and IEEE 802.3u interf aces compliant with 100B ASE-T specifi[...]

51 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Connecting Cab les Cable Interface Line Card Cables Equipment • Dense Connector cable kit • F connector cables T o cable the cable interface line card: Step 1 Connect the upstream (US) cables of the line card to an RF Switch or the other headend equipment. Step[...]

52 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Powering On the Cisco uBR10012 Router T o connect the fiber cable to the uplink line card: Step 1 Remov e the protectiv e cap from the fiber -optic cable connectors. Step 2 Clean the f iber-optic connections (bulkhead connec tor and cable). Step 3 Attach the f iber[...]

53 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Powering On the Cisco uBR10012 Router Power On the DC Power Entry Module The po wer-on pro cedure is the same for bot h the DC PEM modul es (UBR10-PWR-DC= and UBR10-PWR-DC-PLUS=). T o po wer on the DC PEM module: Step 1 V erify if the DC po wer cables are connected[...]

54 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Powering On the Cisco uBR10012 Router Figur e 28 DC Po wer Switc h on UBR1 0-PWR-DC= Figur e 29 DC P owe r Switc h on UBR1 0-PWR-DC-PLUS= Step 7 V erify that the fo llowi ng LEDs are illumin ated properly: DC PEM modules • UBR10-PWR-DC= module—The PO WER LED on[...]

55 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Powering On the Cisco uBR10012 Router Note If the other LEDs on the DC PEM (MISWIRE or F A UL T) illuminate (yellow), see the “Troubleshooting” section on page 63 . Fa n assembly modules • Listen to the fans as power is applie d. When yo u first apply power t[...]

56 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Powering On the Cisco uBR10012 Router Step 3 After po wering on the A C power source, verify the LEDs on the A C PEMs: • UBR10-PWR-A C= module—The F A UL T LED on each PEM illuminates (yello w), indicating that the PEM is receiving po we r from the AC po wer so[...]

57 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Powering On the Cisco uBR10012 Router Step 5 V erify that the fo llowi ng LEDs are illumin ated properly: A C PEM modules • UBR10-PWR-A C= module—The POWER LED on each PEM is illuminated (green) indicating that po wer is being recei ved and is being deli vered [...]

58 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Configuring the Cisco uBR10012 Router at Startup Configuring the Cisco uBR10012 Router at Startup This section e xplains how to create a basi c running conf iguration for your Ci sco uBR10012 rout er using the Cisco uBR10012 router setup facility or the Cisco IO S [...]

59 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Configuring the Cisco uB R10012 Router at Startup 1 Gigabit Ethernet/IEEE 802.3 interface(s) 3 Cable Modem network interface(s) 509K bytes of non-volatile configuration memory. 16384K bytes of Flash PCMCIA card at slot 1 (Sector size 128KB). 32768K bytes of Flash i[...]

60 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Configuring the Cisco uBR10012 Router at Startup Configuring the System Using t he System Configuration Dialog T o perform a basic conf iguration using the System Confi guration Dial og, follo w this procedure: Step 1 The dialog starts b y prompting you w a nt to c[...]

61 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Configuring the Cisco uB R10012 Router at Startup Ti p Interfaces that are not o kay (No) ha ve an in valid conf iguration or are not conf igured. T o set up an interface on the Cisco uBR 10012 router: Step 1 Enter the interf ace for the Fa st Ethernet interface to[...]

62 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Configuring the Cisco uBR10012 Router at Startup Step 8 Enter global confi guration mode af ter you complete th e conf iguration, and enable ip routi ng by entering the ip routing command: router(config)# ip routing Basic Configuration in Global Configuration Mode [...]

63 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Troublesh ooting T o format a fla sh memory disk: Step 1 Ensure that there is a flash memory disk in th e PCMCIA Slot 0 or Slot 1 of the PRE. Step 2 Enter the format diskn : command at the pri vileged EXEC mode prompt t o format the disk. The follo wing example sho[...]

64 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Troublesho oting When you start up the system b y turning the po wer supply switch to the ON (|) position, th e follo wing should occur: 1. Fans—The f a ns start operating. The F AN OK LED on the fan assembly module i lluminates (green). 2. DC PEM • UBR10-PWR-D[...]

65 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Troublesh ooting Solving Startup Problems by Using a Subsystems Approach Because a startup problem is usually caused b y a sing le component, it is more ef ficient to isolate the problem to a subsystem rather than troubleshoot each component in the system. For t he[...]

66 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Troublesho oting Ethernet port is not conf igured properly . If you have a w orking console connect ion, perform the follo wing steps: 1. At the router prompt, enter show int fa st0/0/0 . If the port is administrati vely down, ent er these commands to enable it: sw[...]

67 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Troublesh ooting DC PEM PO WER LED does not illuminate. Note This applies to both UBR10-PWR-DC= and UBR10-PWR-DC- PLUS= modules. 1. Check if the F A UL T LED is illumina ted (yellow) and check the position of the DC power swi tch. The power swit ch may be in Standb[...]

68 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Troublesho oting Fans do not fun ction at sta rtup. 1. V erify that the system has po wer . 2. Remov e the fan assembly module, check the f an cables, and reinsert th e module. Caution The total service windo w for remov al and replacement of the fa n tray is 3 min[...]

69 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Troublesh ooting System ove rheats. Ti p When the fans are operating, you can hear the m. Y ou can also feel air being dra wn in at the b ottom front and expelled at the top rear of the chassis. 1. Check for fa n failure b y checking the fan status LEDs and runn in[...]

70 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Troublesho oting Using CLI Commands to Troubleshoot For more informati on about erro r messages and troubleshoo ting co mmands, refer to the follo wing: • Cisco CMTS Deb ugging Commands at the follo wing URL: http://www .cisco.com/en/US/ docs/ios/cable /comman d/[...]

71 Cisco uBR10012 Series Universal Broadband Route r–Quick Start Guide OL-24972-01 Related Documentation Related Documentation Chassis Installation Documentation Cisco uBR10012 Universal Br oadband Har dwar e Installation Guide at the follo wing URL: http://www .cisco.com/en/US/ docs/cable/cmts/ub r10012/installation/gu ide/hig.html FRU Documenta[...]

72 Cisco uBR10012 Series Universal Br oadband Router–Quick Start Guide OL-24972-01 Related Documentation This document is to be used in co njunction with the docu ments listed in the “Related Documentation” section. Cisco and the Cisco logo are tradem arks or registered tr ademarks of Cisco and/or its af filiates in the U.S. and other countri[...]