• 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 instructions on how to prepare for the installation of the Cisco NCS 4201, see Preparing for Installation chapter.
Position one of the brackets against the chassis side, 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.
Ensure adequate air flow when mounting the chassis in a rack. For more information, see the Air Flow Guidelines section. Install the cable guides before installing the Cisco NCS 4201 on the rack. See Attaching the Cable Guides Note section.
Page 4
Installing the Cisco NCS 4201 Attaching the Cable Guides The following figure shows how to install the Cisco NCS 4201 in a 23-inch EIA rack. Figure 3: Installing the Cisco NCS 4201 in a 23-inch EIA Rack Step 3 Install the four M6x12mm zinc-plated steel screws through the holes in the bracket and into the threaded holes in the equipment rack posts.
Page 5
Installing the Cisco NCS 4201 Attaching the Cable Guides The cable bracket 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...
Page 6
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...
Installing and Removing the Front Door Installing and Removing the Front Door The front door provides additional 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.
Page 8
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...
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.
Page 10
Removing the Fan Tray The fan tray supports 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.
Page 11
Using a No. 2 Phillips screwdriver or your fingers, loosen the captive installation screws that secures the fan tray to the chassis. The figure below shows the front of the Cisco NCS 4201 fan tray, including the captive installation screws.
NCS 4201, which can have substantial current-draw fluctuations due to bursty data traffic patterns. Power Connection Guidelines This section provides guidelines for connecting the Cisco NCS 4201 power supplies to the site power source. Cisco NCS 4201 Hardware Installation Guide...
Page 13
Installing a DC Power Supply The following sections describe how to install a DC power supply in the Cisco NCS 4201: Cisco NCS 4201 Hardware Installation Guide...
Page 14
DC voltage of 48 VDC. Minimal steady state DC operating voltage is 19.2 VDC. 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...
Page 15
If you are installing a redundant DC power supply, repeat these steps for the second power source too. Attaching Cables to the DC Power Supply Note When installing DC power supply, use 14 AWG, 90°C wires. Always ensure that the building’s installation for short-circuit (overcurrent) protection does not exceed 15A. Cisco NCS 4201 Hardware Installation Guide...
Page 16
Open the DC power supply guard. 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...
Page 17
Connect the front-panel ports. See the Connecting to SFP Modules section to complete the installation. Removing and Replacing a DC Power Supply This section provides information about removing 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, Note you can replace a single power supply without interrupting power to the chassis.
Page 18
Removing the Front Door section. Follow these steps to remove and replace the 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.
Page 19
Replace the DC power supply within 5 minutes. See figure Installing a DC 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 installation screws.
Page 20
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 installation screws must be tight to ensure protective grounding continuity. Statement Warning Cisco NCS 4201 Hardware Installation Guide...
Page 21
Activating an AC Power Supply Follow these steps to 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...
Page 22
If you are installing a redundant AC power supply, ensure that each power supply is connected to a separate Note power source in order to prevent power loss in the event of a power failure. Cisco NCS 4201 Hardware Installation Guide...
Page 23
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, Note you can replace a single power supply without interrupting power to the chassis.
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 installation screws.
Page 25
Insert the SFP module into the slot until you feel the connector on the module snap into place in the rear of the slot. See figure Installing an SFP Module with a Bale-Clasp Latch into an SFP Module Slot on Cisco NCS 4201 for installing...
Page 26
Module Slot on Cisco NCS 4201 for installing 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...
Page 27
SFP module with Bale-Clasp Latch—Pull the bale out and down to eject the module as shown in figure Removing a SFP Module with Bale-Clasp Latch From Cisco NCS 4201. If the bale-clasp latch is obstructed and you cannot use your index finger to open it, use a small, flat-blade screwdriver or other long, narrow instrument to open the bale-clasp latch.
Page 28
SFP module and pulling it out 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...
If necessary, reconfigure and restart the chassis or target device. Installing the Chassis Ground Connection Before you connect the power or turn on the power to the Cisco NCS 4201, you must provide an adequate chassis ground (earth) connection to your chassis.
Page 30
Installing the Cisco NCS 4201 Installing the Chassis Ground Connection This section describes how to ground the Cisco NCS 4201 chassis. The grounding lug location is on the back panel of the chassis. Ensure that the grounding lug wire does not cover the fan opening.
Page 31
Installing the Cisco NCS 4201 Installing the Chassis Ground Connection Perform the following procedure to ground the Cisco NCS 4201 using a 2-hole lug and the corresponding mounting point. Most carriers require a minimum 6-AWG ground connection. Verify your carrier’s requirements for the ground connection.
Page 32
Installing the Cisco NCS 4201 Power Connection Guidelines Power Connection Guidelines This section provides guidelines for connecting the Cisco NCS 4200 Series power supplies to the site power source. Warning This equipment is intended to be grounded to comply with emission and immunity requirements. Ensure that the switch functional ground lug is connected to earth ground during normal use.
Page 33
NCS 4201, which can have substantial current-draw fluctuations due to bursty data traffic patterns. Use the information in the table Cisco NCS 4201 Specifications to estimate the power requirements and heat dissipation of a Cisco NCS 4201 based on a given configuration of the chassis. Determining power requirements is useful for planning the power distribution system needed to support the chassis.
Connect only SELV services to all the Cisco NCS 4201 ports. Connecting Console Cables The following sections describe how to connect to the Cisco NCS 4201 using console cables: Connecting to the USB Serial Port Using Microsoft Windows This procedure shows how to connect to the USB serial port using Microsoft Windows.
Page 35
Installing the Cisco NCS 4201 Connecting Console Cables • no flow control Figure 26: Connecting the USB Console Cable to the Cisco NCS 4201 Table 1: Label Cable Label Cable USB Type-A console port USB USB Type-A to USB Type-A console...
Page 36
XP / Windows Vista / Windows 2000 / Windows 7 / Windows 8. Download the driver for your chassis model from the Tools and Resources Download Software site, USB Console Software category, at: Download Software. Cisco NCS 4201 Hardware Installation Guide...
Page 37
Step 3 Click Yes to uninstall the driver. Connecting to the EIA Console Port The US-to-RJ45 adapter cable and the DB9 console cable are not included with the Cisco NCS 4201; they Note can be ordered separately from Cisco. The serial console cable kit is not included with the Cisco NCS 4201; it is ordered separately.
Page 38
Connect the USB end of the USB-to RJ-45 cable to the EIA Console port. Step 2 Connect the RJ-45 end of the DB-9 adapter cable to the USB-to RJ-45 cable, as shown in figure below. Figure 27: Connecting a Modem to the Cisco NCS 4201 Table 2: Label...
Page 39
Connecting a USB Flash Device To connect a USB flash device to the Cisco NCS 4201, insert the memory stick in the USB port labeled USB MEM. The Flash memory module can be inserted only one way, and can be inserted or removed regardless of whether the chassis is powered up or not.
Figure 28: Cisco NCS 4201 Flash Token Memory Stick Removing a USB Flash Device To remove and replace a USB flash token memory stick from and into a Cisco NCS 4201, follow these steps: Step 1 Pull the memory stick from the USB port.
Step 3 Connect the other end 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...
Page 42
Installing the Cisco NCS 4201 Connector and Cable Specifications Cisco NCS 4201 Hardware Installation Guide...