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Cisco NCS 4201, Installing Manual

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Removing and Replacing an AC Power Supply

This section describes how to remove and replace an AC power supply.

The Cisco NCS 4201 power supplies are hot-swappable. If you have installed redundant power supplies,
you can replace a single power supply without interrupting power to the chassis.

Note

To avoid erroneous failure messages, allow at least 2 minutes for the system to reinitialize after a power
supply has been removed or replaced.

Caution

When you install the unit, the ground connection must always be made first and disconnected last. Statement
1046

Warning

Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Statement 1003

Warning

Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Statement 1030

Warning

Installation of the equipment must comply with local and national electrical codes. Statement 1074

Warning

Open and remove the door before performing this procedure. See

Removing the Front Door

section.

Note

Cisco NCS 4201 Hardware Installation Guide    

23

Installing the Cisco NCS 4201

Removing and Replacing an AC Power Supply

Summary of Contents for NCS 4201

Page 1: ...sco NCS 4201 it is important to prepare for the installation by Preparing the site site planning and reviewing the installation plans or method of procedures MOP See Site Planning section Unpacking and inspecting the Cisco NCS 4201 See Receiving the Chassis section Gathering the tools and test equipment required to properly install the Cisco NCS 4201 See Tools and Equipment section For more instru...

Page 2: ...and align the screw holes The figure below shows how to attach the brackets on the Cisco NCS 4201 for a 23 inch rack Figure 2 Attaching Mounting Brackets to Cisco NCS 4201 for a 23 inch Rack Front Z bracket Step 3 Secure the bracket to the chassis with the screws removed when performing Step 1 The recommended maximum torque is 10 in lb Step 4 Repeat Step 3 and Step 3 for the other bracket Cisco NC...

Page 3: ...rack perform these steps Step 1 Position the chassis in the rack as follows If the front of the chassis front panel is at the front of the rack insert the rear of the chassis between the mounting posts If the rear of the chassis is at the front of the rack insert the front of the chassis between the mounting posts Step 2 Align the mounting holes in the bracket with the mounting holes in the equipm...

Page 4: ...l screws through the holes in the bracket and into the threaded holes in the equipment rack posts Step 4 Use a tape measure and level to verify that the chassis is installed straight and level Attaching the Cable Guides You can guide the cables on the Cisco NCS 4201 through the cable bracket Cisco NCS 4201 Hardware Installation Guide 4 Installing the Cisco NCS 4201 Attaching the Cable Guides ...

Page 5: ...t helps in routing the cables from all components on the front panel thereby enabling a proper cable bending radius Cisco NCS 4201 Hardware Installation Guide 5 Installing the Cisco NCS 4201 Attaching the Cable Guides ...

Page 6: ...ndard kit Step 2 Secure the cable brackets with the four M6x12mm screws supplied with the cable kit The recommended maximum torque is 3N m Figure 4 Installing the Cable Brackets on Cisco NCS 4201 As Per the Standard Kit Figure 5 Guiding the Cables from the Front Panel through the Cable Brackets Cisco NCS 4201 Hardware Installation Guide 6 Installing the Cisco NCS 4201 Attaching the Cable Guides ...

Page 7: ...dditional space in front of the Cisco NCS 4201 to accommodate cables You can remove the door to provide unrestricted access to the front of the chassis Cisco NCS 4201 Hardware Installation Guide 7 Installing the Cisco NCS 4201 Installing and Removing the Front Door ...

Page 8: ...s on the top and bottom Figure 6 Installing the Front Door Removing the Front Door The door is attached to the cable bracket through screws on both sides on the top and bottom Loosen the screws on the top left and right corners of the door Cisco NCS 4201 Hardware Installation Guide 8 Installing the Cisco NCS 4201 Installing the Front Door ...

Page 9: ...lar unit that provides cooling to the Cisco NCS 4201 Follow these steps to install the fan tray in the chassis Step 1 Guide the fan tray into the chassis until it is fully seated The figure below show how to orient the fan tray for Cisco NCS 4201 Keep your fingers clothing and jewelry away from the fans Always handle the fan tray by the handle Caution Cisco NCS 4201 Hardware Installation Guide 9 I...

Page 10: ...orts online insertion and removal OIR There is no need to power down the Cisco NCS 4201 to remove or replace the fan tray However the chassis will shut down if the fan tray is removed from the chassis for more than five minutes The chassis can stay active for up to 5 minutes if the temperature is below the ambient limit However in the event of an overtemperature alarm the chassis can shut down in ...

Page 11: ...p 2 Pull the fan tray towards you no more than 1 inch to disengage it from the power receptacle on the midplane The fans might still be turning when you remove the fan assembly from the chassis Keep fingers screwdrivers and other objects away from the openings in the fan assembly s housing Statement 263 Warning Step 3 Wait at least 5 seconds to allow the fans to stop spinning Then pull the fan tra...

Page 12: ... SPD provided as part of the building installation to comply with the Telcordia GR 1089 NEBS standard for electromagnetic compatibility and safety Note Do not use interface module or power supply ejector handles to lift the chassis using these handles to lift the chassis can deform or damage the handles Caution The following sections provide more information on the Cisco NCS 4201 power supplies Pr...

Page 13: ...reaker should be sized according to the power supply input rating and local or national code requirements The circuit breaker is considered the disconnect device and should be easily accessible The system ground is the power supply and chassis ground Do not connect the DC return wire to the system frame or to the system grounding equipment Use the grounding lug to attach a wrist strap for ESD prot...

Page 14: ...cture of this product is DC isolated DC I for DC powered products DC powered products have a nominal operating DC voltage of 48 VDC Minimal steady state DC operating voltage is 19 2 VDC Caution Installing a DC Power Supply Module Open and remove the door before performing this procedure See Removing the Front Door section Note Cisco NCS 4201 Hardware Installation Guide 14 Installing the Cisco NCS ...

Page 15: ...e circuit breaker switches in the OFF position Step 4 Grasp the power supply metal tab with one hand Place your other hand underneath the power supply Slide the power supply into the power supply bay as shown in figure below Make sure that the power supply is fully seated in the bay Figure 10 Installing a DC Power Supply Step 5 Tighten the captive installation screw of the power supply The recomme...

Page 16: ...rd Step 2 Attach the DC supply wires in the designated screws See figure below Figure 11 Connecting the DC Power Supply Wires Step 3 Close the DC power supply guard Cisco NCS 4201 Hardware Installation Guide 16 Installing the Cisco NCS 4201 Installing a DC Power Supply ...

Page 17: ... and replacing a DC power supply in the Cisco NCS 4201 The Cisco NCS 4201 power supplies are hot swappable If you have installed redundant power supplies you can replace a single power supply without interrupting power to the chassis Note To avoid erroneous failure messages allow at least 2 minutes for the system to reinitialize after a power supply has been removed or replaced Caution When instal...

Page 18: ...DC power supply on the Cisco NCS 4201 Step 1 Before servicing the power supply switch off the circuit breaker in your equipment area As an additional precaution tape the circuit breaker switch in the Off position Step 2 Slip on the ESD preventive wrist strap that was included in the accessory kit Step 3 Switch the power supply circuit breaker switch to the Off O position Step 4 Pull the terminal b...

Page 19: ... opening and secure it with captive installation screws Installing an AC power Supply The following sections describe how to install an AC power supply in the Cisco NCS 4201 This product requires short circuit over current protection to be provided as part of the building installation Install only in accordance with national and local wiring regulations Statement 1045 Warning Installing an AC Powe...

Page 20: ...ower supply handle with one hand Place your other hand underneath the power supply as shown in figure below Slide the power supply into the power supply bay Make sure that the power supply is fully seated in the bay Figure 14 Installing the AC Power Supply Step 4 Tighten the captive installation screw of the power supply The recommended maximum torque is 5 5 in lb 62 N m Power supply captive insta...

Page 21: ...o activate an AC power supply Step 1 Attach the AC power retainer cord as shown in the figure below Figure 15 Attaching the AC Power Retainer Cord Cisco NCS 4201 Hardware Installation Guide 21 Installing the Cisco NCS 4201 Installing an AC power Supply ...

Page 22: ...ing that the power supply LED is green Step 6 If the LEDs indicate a power problem see LED Indicators section for troubleshooting information Step 7 If you are installing a redundant power supply repeat these steps for the second power source If you are installing a redundant AC power supply ensure that each power supply is connected to a separate power source in order to prevent power loss in the...

Page 23: ... unit the ground connection must always be made first and disconnected last Statement 1046 Warning Before performing any of the following procedures ensure that power is removed from the DC circuit Statement 1003 Warning Only trained and qualified personnel should be allowed to install replace or service this equipment Statement 1030 Warning Installation of the equipment must comply with local and...

Page 24: ...y out of the chassis Place your other hand underneath the power supply and slide it completely out of the chassis See figure Installing the AC Power Supply Step 5 Replace the AC power supply within 5 minutes See figure Installing the AC Power Supply If the power supply bay is to remain empty install a blank filler plate Cisco part number 800 39165 01 over the opening and secure it with captive ins...

Page 25: ...es in the SFP module Disconnect all cables before removing or installing an SFP module Removing and installing an SFP module can shorten its useful life Do not remove and insert SFP modules more often than is absolutely necessary Caution Figure 18 SFP Module with a Bale Clasp Latch To insert an SFP module into the module slot follow these steps Step 1 Attach an ESD preventive wrist strap to your w...

Page 26: ...talling SFP Module without a Bale Clasp Latch Figure 19 Installing an SFP Module with a Bale Clasp Latch into an SFP Module Slot on Cisco NCS 4201 Figure 20 Installing an SFP Module without a Bale Clasp Latch into an SFP Module Slot on Cisco NCS 4201 Cisco NCS 4201 Hardware Installation Guide 26 Installing the Cisco NCS 4201 Installing SFP Modules ...

Page 27: ...e receptacle follow these steps Step 1 Attach an ESD preventive wrist strap to your wrist and to a bare metal surface on the chassis Step 2 Disconnect the cable from the SFP module and insert a dust plug into the cable end For reattachment note which cable connector plug is send TX and which is receive RX Tip Step 3 SFP module with Bale Clasp Latch Pull the bale out and down to eject the module as...

Page 28: ...ut of the module as shown in figure Removing a SFP Module without Bale Clasp Latch From Cisco NCS 4201 Figure 21 Removing a SFP Module with Bale Clasp Latch From Cisco NCS 4201 Figure 22 Removing a SFP Module without Bale Clasp Latch From Cisco NCS 4201 Cisco NCS 4201 Hardware Installation Guide 28 Installing the Cisco NCS 4201 Removing SFP Modules ...

Page 29: ...he fiber optic cable until you are ready to connect the cable The plugs and caps protect the SFP module ports and cables from contamination and ambient light Caution Step 1 Remove the rubber plugs from the module port and fiber optic cable and store them for future use Step 2 Insert one end of the fiber optic cable into the SFP module port Step 3 Insert the other cable end into a fiber optic conne...

Page 30: ...ng Before making connections to the Cisco NCS 4201 ensure that you disconnect the power at the circuit breaker Otherwise severe injury to you or damage to the chassis may occur Caution This equipment must be grounded Never defeat the ground conductor or operate the equipment in the absence of a suitably installed ground conductor Contact the appropriate electrical inspection authority or an electr...

Page 31: ...e the open end of your 2 hole ground lug over the exposed area of the ground wire Step 3 Using a crimping tool as specified by the ground lug manufacturer crimp the ground lug to the ground wire as shown in figure below Figure 25 Crimping a Ground Lug on to the Ground Wire Step 4 Use a Phillips head screwdriver to attach the 2 hole ground lug and wire assembly to the chassis with the 2 pan head Ph...

Page 32: ... IEC 60950 standards The circuit must be protected by a dedicated two pole circuit breaker The circuit breaker should be sized according to the power supply input rating and local or national code requirements The circuit breaker is considered the disconnect device and should be easily accessible The system ground is the power supply and chassis ground Do not connect the DC return wire to the syst...

Page 33: ...Verify power supply operation by checking if the respective power supply front panel LED PS0 or PS1 is green Step 3 If the LEDs indicate a power problem see Troubleshooting chapter Step 4 If you are connecting a redundant DC power supply repeat these steps for the second power source If you are connecting a redundant DC power supply ensure that each power supply is connected to a separate power so...

Page 34: ... Cisco USB Device Driver section Note Step 1 Connect a USB Type A to Type A cable to the USB console port as shown in figure below If you are using the USB serial port for the first time on a Windows based PC install the USB driver now according to the instructions in the following sections Installing the Cisco USB Device Driver Uninstalling the Cisco USB Device Driver You cannot use the USB port ...

Page 35: ... the Finder to choose Applications Utilities Terminal Step 2 Connect the OS X USB port to the chassis Step 3 Enter the following commands to find the OS X USB port number Example macbook user cd dev macbook user ls ltr dev usb crw rw rw 1 root wheel 19 6 Dec 9 16 25 dev tty usbmodem1411 crw rw rw 1 root wheel 19 7 Dec 9 16 25 dev cu usbmodem1411DT macbook dev user Step 4 Connect to the USB port wi...

Page 36: ... to the USB port with the following command followed by the chassis USB port speed Example root usb suse dev screen dev ttyACM0 9600 To disconnect the Linux USB console from the terminal window enter Ctrl a followed by then quit Installing the Cisco USB Device Driver A USB device driver must be installed the first time a Microsoft Windows based PC is connected to the USB serial port on the chassis...

Page 37: ...B Device Driver This procedure describes how to uninstall the Microsoft Windows USB device driver in Microsoft Windows XP Windows Vista Windows 2000 Windows 7 Windows 8 Disconnect the chassis console terminal before uninstalling the driver Note Step 1 Choose Start Control Panel Add or Remove Programs Uninstall a program Step 2 Scroll to Windows Driver Package Exar corporation xrusbser Ports and cl...

Page 38: ...bel Component Label RJ 45 to DB 9 cable 3 EIA Console port 1 Desktop or system 4 USB to RJ 45 adapter 2 Step 3 Connect the DB 9 end of the console cable to the DB 9 end of the terminal Step 4 To communicate with the chassis start a terminal emulator application such as Microsoft Windows HyperTerminal This software should be configured with the following parameters 9600 baud 8 data bits no parity 1...

Page 39: ...2 or Type 4 ports as described in GR 1089 CORE and require isolation from the exposed OSP cabling The addition of Primary Protectors is not sufficient protection in order to connect these interfaces metallically to OSP wiring Statement Warning Installing and Removing SFP and SFP Modules The Cisco NCS 4201 supports a variety of SFP and SFP modules including optical and Ethernet modules For informat...

Page 40: ...g Console Cables section The RJ 45 port supports standard straight through and crossover Category 5 unshielded twisted pair UTP cables Cisco does not supply Category 5 UTP cables these cables are available commercially To comply with the Telcordia GR 1089 NEBS standard for electromagnetic compatibility and safety connect the Gigabit Ethernet ports only to intra building or unexposed wiring or cabl...

Page 41: ...d to the BTS patch or demarcation panel at your site Connecting Cables to SFP Modules For information on connecting cables to Cisco optical and Ethernet SFP interfaces see Install and Upgrade Guides Connector and Cable Specifications For more information on cable specifications and pinouts see Troubleshooting chapter Cisco NCS 4201 Hardware Installation Guide 41 Installing the Cisco NCS 4201 Conne...

Page 42: ...Cisco NCS 4201 Hardware Installation Guide 42 Installing the Cisco NCS 4201 Connector and Cable Specifications ...

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