Cisco Systems uBR-MC28U Installation Manual
Contents
1. 88993 lt Connector Upconverter Attenuator f Cable 5 Removing the Card To prevent the alarms from activating administratively shut down the card using the shutdown command in interface configuration mode before removing it from the chassis Step1 Make sure that you are properly grounded Step2 Disconnect all the cables from the cable interface line card Step3 Unscrew the captive installation screws on the faceplate Figure 4 Removing the Card from the Chassis Step4 Grasp the handle and carefully pull the card out of its slot see Figure 4 A Caution Always handle the card by the carrier edges and handle never touch the cable interface line card s components or connector pins For proper cooling and airflow always install a line card cover in an empty line card slot Step5 Place the card on an antistatic surface with its components facing upward X 3 Ifthe enabled LED remains off after the above checks it is likely that the system has detected a processor hardware failure Go to the Cisco Note Ifthe card is being returned to the factory immediately place it in a static shielding bag and proper packaging for protection 6 Troubleshooting 1 Make sure that the card is securely seated in the chassis If the captive screws do not tighten all the way the card is not properly seated in the c2. afeafe CISCO Quick START GUIDE Installing Cisco uBR MC28U X and uBR E 28U Cable Interface Line Cards Purpose Feature Description Prerequisites Installing the Card Removing the Card Troubleshooting Technical Specifications On Ooh WRN Related Documentation A Warning Only trained and qualified personnel should be allowed to install replace or service this product and should be properly grounded before handling this ESD sensitive product 1 Purpose This quick start guide shows you how to install a Cisco uBR MC28 cable interface line card in the Cisco uBR7200 series router 2 Feature Description The Cisco uBR MC28 cable interface line card improves RF performance supports spectrum management increases system performance and supports online insertion and removal OIR The line card is available in three configurations e Cisco uBR MC28U with an onboard upconverter and green end tabs e Cisco uBR MC28X without an onboard upconverter and with yellow end tabs e Cisco uBR E 28U with an onboard upconverter and slate blue end tabs 3 Prerequisites e The Cisco NPE 400 or Cisco NPE G1 or Cisco NPE G2 must be used with this card e If you are replacing a Cisco uBR MC28C card with a Cisco uBR MC28U X E card you must reconfigure the card We strongly recommend that you reload the Cisco 7200 series router when replacing a cable interface line card with a card of a different type 4 Instal
3. hassis or backplane Carefully pull the card halfway out of the slot reinsert it and tighten the captive installation screws A TAC website http www cisco com tac for further information and help Figure 5 LEDs Enabled LED Upstream LEDs LEDs US0 US7 EES Downstream 88985 DS0 DS1 Table 1 LEDs Status LED Status Description Table 2 Technical Specifications continued Description Order Num Specifications Output MC28U E 50 to 61 dBmV at RF 28U Output MC28X 4 49 dBmV at IF 2 dB Modulation Upstream USO US7 QPSK 8 16 32 64 QAM Downstream 64 QAM 256 QAM DSO DS1 ENABLED green ENABLED off Card operating normally Card not enabled US green Upstream enabled US off Upstream not enabled DS green Downstream enabled DS off Downstream not enabled Caution A partially seated line card can cause the router to reboot 2 Are all enabled LEDs on If yes the system is operational If no check the following possibilities a If the card has been enabled and configured for operations the enabled LED remains on b Ifa port is enabled but its enabled LED is still off check if the card has pulled away from the router Reseat the card in its slot Do not have to turn off the system power to do this After the system reinitializes the interfaces the enabled LED on the card should co
4. ling the Card Step2 Use both hands to grasp the card by its metal carrier edges and align the card with the slot guides component side up Step3 With the metal carrier aligned in the slot guides see Figure 1 gently slide the card into the card slot until you can feel it seated in the backplane connectors Step4 Tighten the captive screws N Note The uBR E 28U is an entry level version of MC28U for the uBR7225 chassis The extra guide pins in the line card prevents it from being plugged into a different chassis Step1 Make sure that you are grounded Note The captive screws provide grounding for the electromagnetic interference EMI shielding Figure 1 Installing the Card in the Chassis Note The cable interface line card insertion removal method is the same for all Cisco uBR7200 series routers Cabling A Caution Do not mix upstream US ports in domain 0 with US ports in domain 1 see Figure 2 Figure 2 Domain 0 and Domain 1 JaRRaaaaasa Domain 0 88983 ro Domain1 Cabling the Cisco uBR MC28U E 28U The Cisco uBR MC28U E 28U line card has an onboard upconverter To cable the card Step1 Connect the downstream DS cables to the DS ports DSO DS1 RF DS port rings and end tabs are green slate blue in the case of E 28U card See Figure 5 Step2 Connect the upstream cables to the US po
5. me on 7 Technical Specifications Table 2 Technical Specifications Description Order Num Specifications Cisco uBR MC28U with upconverter Cisco uBR MC28xX without upconverter Cisco uBR E 28U with upconverter BR MC28U BR MC28U BR MC28X BR MC28X BR E 28U BR E 28U Q GOGG OG Blank covers UBR MC COVER Weight MC28U E 28U Weight MC28X 6 lbs 2 72 kg 4 75 lbs 2 15 kg Power consumption MC28U E 28U MC28X 80 Watts 273 BTU h 50 Watts 170 6 BTU h RF output power range 50 to 61 dBmV Frequency range Upstream 5 65 MHz Downstream 70 860 MHz The Cisco uBR MC28U X E 28U line card is compatible with most cable systems worldwide including but not limited to Asia Pacific Europe and the Americas See Cisco IOS release notes for more information 8 Related Documentation For more information refer to the following at Cisco com e Cisco uBR7200 Universal Broadband Series Hardware Installation Guide e Cisco uBR7200 Series Cable Interface Line Card Hardware Installation Guide e Cisco uBR7200 Series Universal Broadband Routers e For the 1 year warranty information visit the following URL http www cisco com en US products prod_w arranties_listing html
6. rts USO US7 Cabling the Cisco uBR MC28X The Cisco uBR MC28X line card does not have an onboard upconverter The card may require up to 10 dB of attenuation due to a higher IF output power higher then legacy Cisco line cards To cable the card Step1 Connect the DS cables to the DS ports on the card DSO DS1 IF DS port rings and end tabs are yellow See Figure 3 Step2 Add RF attenuators as required to get the correct IF output Insert the attenuator between the DS IF output cable and the upconverter See Figure 3 Americas Headquarters Cisco Systems Inc 170 West Tasman Drive San Jose CA 95134 1706 USA Afeafe CISCO http www cisco com Tel 408 526 4000 800 553 NETS 6387 Fax 408 527 0883 Cisco Cisco Systems the Cisco logo and the Cisco Systems logo are registered trademarks or trademarks of Cisco Systems Inc and or its affiliates in the United States and certain other countries All other trademarks mentioned in this document or Website are the property of their respective owners The use of the word partner does not imply a partnership relationship between Cisco and any other company 0705R 2009 Cisco Systems Inc All rights reserved Ok Printed in the USA on recycled paper containing 10 postconsumer waste DOC 7815730 OL 19040 01 Step3 Connect the US cables to the US ports on the card USO US7 All US ports are light blue Figure 3 Teqeagegagasel Inserting an Attenuator
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