Cisco Bdl PIX 525 Chassis+SW Li Failover
Contents
1. QOQOOQQOQ000 O00 x BRE RSSS SSS 8838850655888 iA o NOOOOOOG Bec LBZ SS6588a88888SSSseq8S8es8 HF C2000 29 55902552385858 ESS Ss e8s E Bee 000000000 SZ O000 a BESS Ss dar E Gls s Demi 10 100 ETHERNET T 10 100 ETHERNET o Cap Computer serial port DB 9 or DB 25 Console port RJ 45 lt RJ 45 to DB 9 or DB 25 serial cable null modem Connect the outside network cable to the remaining Ethernet port Refer to PIX 525 Feature Licenses for information on how to configure the ports amp Note The inside or outside network connections can be made to any available interface port on the PIX 525 If you are only using the ETHERNET 0 and ETHERNET 1 ports connect the inside network cable to the interface connector marked ETHERNET 0 or ETHERNET 1 If you need to install an optional circuit board refer to Installing a Circuit Board in a PIX 525 If you need to install memory refer to Installing a Memory Upgrade for more information amp Note It is not necessary to remove the chassis cover of the PIX 525 to access the circuit boards or memory 78 13880 01 Chapter6 PIX 525 PIX 525 Feature Licenses W Step6 Connect the network cables to the expansion interface ports The inside outside or perimeter network connections can be made to any available interface por2. Front panel Cisco PIX Firewall Hardware Installation Guide 78 13880 01 EN Chapter6 PIX 525 W Removing and Replacing a PIX 525 Chassis Cover Replacing the Chassis Cover This section describes replacing the chassis cover on the PIX 525 Complete these steps to remove the chassis cover Step1 Place the chassis bottom so that the front panel is facing you Step 2 Hold the chassis cover over the chassis bottom and align each of the cover tabs with the chassis tabs at the top rear of the chassis See Figure 6 9 Step3 Lower the front of the top cover to close the chassis and ensure the following The chassis cover tabs fit under the edge of the chassis rear panel so that they are not exposed The chassis tabs fit under the chassis cover so that they are not exposed The chassis cover side tabs on both sides fit inside the chassis side panels so that they are not exposed When the chassis cover is properly assembled no tabs are visible Step4 Secure the chassis cover with four screws Step5 Reinstall all interface cables Figure 6 9 Replacing the Chassis Cover Chassis tabs Chassis cover Front panel Step6 Connect the power to the site power and power on the PIX 525 The internal power supply fan should go on Cisco PIX Firewall Hardware Installation Guide 78 13880 01 Chapter6 PIX 525 Replacing a Lithium Battery i Replacing a Lithium Battery The PIX Firewall has a lithi
3. already configured Note We highly recommend that you use a GE failover link when connecting a PIX 525 with GE interfaces Step4 Connect the Secondary end of the failover cable to the standby unit Step5 Connect a power cord to the power connector on the rear panel of each unit and the other end of each power cord to preferably separate power outlets Step6 If you are using Stateful Failover use one of the following types of connections that is appropriate for your system between the dedicated interfaces on the PIX Firewall units Category 5 crossover cable directly connecting the primary unit to the secondary unit 100BaseTX half duplex hub using straight Cat 5 cables e 100BaseTX full duplex on a dedicated switch or dedicated VLAN of a switch Note All enabled interfaces must be connected between the active and standby units Only configure the active unit On a PIX 525 the active unit is indicated by the ACT LED on the front of the unit Cisco PIX Firewall Hardware Installation Guide lt 78 13880 01 Chapter6 PIX 525 Installing Failover W A Caution Do not turn the power on until the units are connected and the primary unit is configured completely Cisco PIX Firewall Hardware Installation Guide 78 13880 01 267 Chapter6 PIX 525 W Removing and Replacing a PIX 525 Chassis Cover Step7 Power the primary unit on first then power on the secondary unit Within a few secon
4. 525 If you need to install additional memory refer to Installing a Memory Upgrade Note If for any reason you may choose to downgrade to any software version note that you need to use the clear flashfs command before doing so A new section has been added to Flash memory that must be cleared before downgrading For information on upgrading feature licenses or downloading the latest software versions go to the following website http www cisco com univercd cc td doc product iaabu pix pix_sw v_62 config upgrade htm Installing Failover Complete these steps to install a failover connection Step1 Power off both the primary and secondary units Cisco PIX Firewall Hardware Installation Guide 78 13880 01 PEN Chapter6 PIX 525 HZ installing Failover amp Note Both PIX Firewall units has to be the same model number have at least as much RAM have the same Flash memory size and be running the same software version Step2 Locate the failover cable shown in Figure 6 6 This cable is shipped separately from the PIX Firewall unit The cable is labeled Primary on one end and Secondary on the other Install the cable for the PIX 525 as shown in Figure 6 6 Figure 6 6 PIX 525 Failover Cable Connection mm lt or P gt T 42395 DTO gt T Secondary end Step 3 Connect the Primary end of the failover cable to the first PIX Firewall unit that is the one you have
5. breaker on the panel board that services the DC circuit switch the circuit breaker to the OFF position and tape the switch handle of the circuit breaker in the OFF position Complete these steps to install the DC power supply Step1 Place the power supply as shown in Figure 6 18 and then slide it toward the rear panel You will be able to feel the chassis hook engage with the slot on the bottom of the power supply Step2 Reinstall the three screws that secure the power supply on the back panel of the chassis Cisco PIX Firewall Hardware Installation Guide 78 13880 01 a 6 17 Chapter6 PIX 525 W installing a DC Power Supply Figure 6 18 Inserting the Power Supply in the Chassis Chassis hook Power Power supply supply A D N oe wo wo A Chassis bottom Step3 Connect the six pin connector to the motherboard Step4 Route the fan cables on top of fans exactly as shown in Figure 6 19 Note that the two longest cables are connected to the two installed fans on the right The connectors to these two fans will fit into the space between the second and third fans Step5 Reconnect the power connector Cisco PIX Firewall Hardware Installation Guide 78 13880 01 Chapter6 PIX 525 Installing a DC Power Supply W Figure 6 19 Routing the Fan Cables Base tabs Front panel Step6 Insert the second fan as shown in Figure 6 19 making sure that the fan cable feeds to your left Positio
6. 90 tates Y z o Sax 4 Step3 Remove the screw and cover plate from the circuit board slot Step4 Use Figure 6 14 as a guide to install a circuit board into a PCI slot on the component tray Cisco PIX Firewall Hardware Installation Guide e 78 13880 01 Chapter6 PIX 525 Step 5 Step 6 Step 7 Installing a CircuitBoardinaPIX525 E Attach the screw to hold the circuit board s connecting flange to the rear cover plate on the component tray Figure 6 14 Inserting an Expansion Board into a PCI Slot on the PIX 525 Component Tray 61911 Figure 6 15 shows circuit boards in PCI slots on the component tray Figure 6 15 Expansion Boards in PCI Slots on the PIX 525 Component Tray 61909 Reinstall the component tray into the PIX 525 chassis PIX Firewall VPN Accelerator Circuit Board The VPN Accelerator PIX VPN ACCEL is an encryption and compression accelerator circuit board The VPN Accelerator uses a PCI interface and therefore can only be installed in PIX Firewall platforms with PCI slots The VPN Accelerator begins to function immediately after installation without the need of special installation configurations Note The new VPN Accelerator cannot be used with the former PIX Firewall IPSec accelerator in the same chassis The PIX Firewall IPSec accelerator was also known as the Private Link card 78 13880 01 Ci
7. CHAPTER PIX 525 This chapter guides you through the installation of the PIX 525 and includes the following sections PIX 525 Product Overview Installing a PIX 525 PIX 525 Feature Licenses Installing Failover Removing and Replacing a PIX 525 Chassis Cover Replacing a Lithium Battery Installing a Memory Upgrade Installing a Circuit Board in a PIX 525 Installing a DC Power Supply PIX 525 Product Overview Figure 6 1 show the front view of the PIX 525 Figure 6 1 PIX 525 Front Panel 61906 Cisco PIX Firewall Hardware Installation Guide 78 13880 01 PEN Chapter6 PIX 525 HE PIX 525 Product Overview Figure 6 2 shows the rear view of the PIX 525 Figure 6 2 PIX 525 Rear Panel 61907 999990005000 O pn COOSOSSSIESSSSSESE8R8 o SBBR9R59G9RRGqaqqnacS 995 cea ecepgaRe O59055006o 83888889 888 SI50950060 A S308 Bases SaeRR MH WHA ty Le 5 e9cssssrcegdes S5983 S89sqqq0ss Ssssesssesssssssssss s 8859055995088 ROS8800000888888883 90000 QQQOQQI E 88 898 psg B38 9000 00000 a B Jem gi A There are two LEDs on the front panel of the PIX 525 see Figure 6 3 Figure 6 3 PIX 525 Front Panel LEDs power active Table 6 1 lists the state of the PIX 525 front pa
8. Power Supply Step11 Replace the chassis cover as described in Replacing the Chassis Cover Rerouting the Fan Wiring If the fan wiring in your router is not routed on top of the fans you need to reroute the fan wiring This will make future power supply replacement easier Complete these steps to reroute the fan wiring Step1 Pull the fan closest to the power supply away from the sheet metal tabs See Figure 6 23 amp Note To help with reconnecting the cables write down which colored cable connects to which fan See Table 6 4 for a list of the wire colors There are three different lengths of two wire 12 VDC power cables The two shortest cables go to the two fans that you will remove in Step 9 The two longer cables go to the two remaining fans you will remove in Step 10 and Step 11 The remaining cable goes to the power connector on the backplane These cables are color coded Figure 6 23 Pulling the Fan Away from the Tabs Fan tabs Cisco PIX Firewall Hardware Installation Guide 622 78 13880 01 Chapter6 PIX 525 Installing a DC Power Supply W Step2 Lift the fan out of the chassis as shown in Figure 6 24 Figure 6 24 Removing the Fan Step3 Depress the tab as shown in Figure 6 25 A Caution Do not attempt to remove the fan cables without first depressing the tab as shown in Figure 6 25 You can damage the fan cables by applying stress if the connector is not removed properly S
9. anel may cause overheating and damage to electrical components Memory Installation Steps Step 1 Complete these steps to install additional system memory If the unit is rack mounted remove network wires and any cords connecting to the PIX Firewall unit Ensure that the unit is unplugged from its power source 78 13880 01 Cisco PIX Firewall Hardware Installation Guide 5 Chapter6 PIX 525 Installing a Memory Upgrade Step 2 Step 3 Step 4 Step 5 Step 6 Unpack the items in the memory upgrade kit Remove the component tray and all the screws holding the assembly in place Refer to Removing and Replacing a PIX 525 Chassis Cover for information on how to remove and replace the top panel Determine the location of your system memory sockets see Figure 6 10 Use the markings on the motherboard to determine the socket numbers Always install the first memory board into the lowest socket number Progressively add memory boards into higher numbered sockets Figure 6 10 System Memory Location on the PIX 525 Component Tray S q T 61910 Locate the wrist grounding strap in the accessory kit and connect one end to the unit or to the PIX Firewall chassis and
10. ds the active unit automatically downloads its configuration to the standby unit If the primary unit fails the secondary unit automatically becomes active Removing and Replacing a PIX 525 Chassis Cover This section describes how to remove and replace the chassis cover from PIX 525 This section includes the following topics Removing the Chassis Cover Replacing the Chassis Cover Removing the Chassis Cover This section describes how to remove the PIX 525 chassis cover amp Note Removing the PIX Firewall case does not affect your Cisco warranty Upgrading the PIX Firewall does not require any special tools and does not create any radio frequency leak Complete these steps to remove the chassis cover Step1 Power off the PIX 525 and disconnect site power amp Note Note that the power switch is part of the power supply Step2 Place the PIX 525 so that the front panel is facing you If you place the PIX 525 on a table ensure that you have clear access to all sides Step 3 Remove the four screws on the chassis cover See Figure 6 7 Cisco PIX Firewall Hardw are Installation Guide 78 13880 01 Chapter6 PIX 525 Removing and Replacing a PIX 525 Chassis Cover Mi Figure 6 7 Removing the Chassis Cover Screws Step4 Lift the chassis cover upward and pull it away from the tabs on the rear of the chassis See Figure 6 8 Figure 6 8 Removing the Chassis Cover Chassis cover
11. ep11 Starting with the fan farthest away from the power supply bend the cable clamps over the wires and into the gap between chassis and fan housing Table 6 4 Fan Wiring Colors Fan Number Wire colors 1 closest to power supply Purple and black 2 Green and black 3 Blue and black 4 farthest away from power Brown and black supply Step 12 Terminate the DC input wiring on a DC source capable of supplying at least 15 amps A 15 amp circuit breaker is required at the 48 VDC facility power source An easily accessible disconnect device should be incorporated into the facility wiring Step13 Be sure the PIX 525 power is off by checking the power switch at the rear of the unit Step 14 As shown in Figure 6 27 the PIX 525 is equipped with two grounding studs at the back of the unit which you can use to connect a two hole grounding lug to the PIX 525 Use the 10 32 nuts provided with the PIX 525 to connect a copper standard barrel grounding lug to the studs The PIX 525 requires a lug where the distance between the center of each hole is 0 56 inches A lug is not supplied with the PIX 525 78 13880 01 Cisco PIX Firewall Hardware Installation Guide m Chapter6 PIX 525 W installing a DC Power Supply Figure 6 27 Attaching a Grounding Lug to the PIX Firewall Rear of PIX Firewall LP tl f To rack 10 32 nuts Grounding studs on ground PIX Firewall DC model 2 hole co
12. ing a DC Power Supply Cisco PIX Firewall Hardware Installation Guide 78 13880 01
13. ion Guide 78 13880 01 a 613 Chapter6 PIX 525 W installing a Circuit Board in a PIX 525 amp Note The PIX 525 Restricted Interface Options can have a maximum of 6 interfaces and for the Unrestricted Interface Options a maximum of 8 interfaces Table 6 3 lists the possible choices available for the PIX 525 restricted and unrestricted interface options Table 6 3 PIX 525 Interface Options Restricted Interface Options Unrestricted Interface Options 3 FE 3 FE 2 FE 1 VPN Accelerator 2 FE 1 VPN Accelerator 3 GE 3 GE 2 GE 1 VPN Accelerator 2 GE 1 VPN Accelerator 1 GE 1 FE 1 GE 2 FE 1 GE 1 FE 1 VPN Accelerator 1 GE 1 FE 1 VPN Accelerator 1 4 Port FE 1 4 port FE 1 4 Port FE 1 VPN Accelerator 1 4 port FE 2 FE 1 4 port FE 2 GE 1 4 port FE 1 VPN Accelerator 1 4 port FE 1 VPN Accelerator 1 FE 1 4 port FE 1 VPN Accelerator 1 GE Complete these steps to install a circuit board in a PIX 525 Step1 Locate the grounding strap from the accessory kit Fasten the grounding strap to your wrist so that it contacts your bare skin Attach the other end to bare metal on the PIX 525 chassis Step2 Remove the screws from the rear panel of the component tray and slide the tray out see Figure 6 13 Figure 6 13 The Component Tray at the Back of the PIX 525 61908 pe 299990500 0000000088883888888 rae 99
14. n the cables to the two installed fans so that they will fit over the first and second fans Press the fan into place between the four sheet metal tabs Step7 Reconnect the two pin fan cables to the remaining fan as shown in Figure 6 20 Cisco PIX Firewall Hardware Installation Guide 78 13880 01 a 6 19 Chapter6 PIX525 HZ installing a DC Power Supply Figure 6 20 Reconnecting the Fan Cables 31910 Step8 Reinstall the remaining fan Make sure you orient the fan so that the cables feed to the right toward the second fan Route the cable over the fan before you reconnect it When correctly assembled the cables appear as shown in Figure 6 21 Step9 Starting with the fan farthest away from the power supply bend the cable clamps over wires and into the gap between chassis and fan housing Cisco PIX Firewall Hardware Installation Guide 620 E 78 13880 01 Chapter6 PIX 525 Installing a DC Power Supply W Figure 6 21 Correct Fan Cable Routing Gm Gm a GSD VD Ge BD VD Gm Dm er I D a GD VD Base tabs Front panel Step 10 Replace the air separator as shown in Figure 6 22 holding all cables to the right of the separator as you slip it into the chassis Figure 6 22 Replacing the Air Separator y A N Bl lt _ _ _ Air separator 52021 Cisco PIX Firewall Hardware Installation Guide 78 13880 01 a 621 Chapter6 PIX 525 W installing a DC
15. nel LEDs Table 6 1 PIX 525 Front Panel LEDs LED Status Description POWER On On when the unit has power ACT On On when the unit is the active failover unit If failover is present the light is on when the unit is the active unit Off off when the unit is in standby mode There are three LEDs for the each RJ 45 interface port and three types of fixed interface connectors on the back of the PIX 525 Cisco PIX Firewall Hardw are Installation Guide 78 13880 01 Chapter6 PIX 525 Installing a PIX 525 W Figure 6 4 shows the PIX 525 rear panel LEDs Figure 6 4 PIX 525 Rear Panel LEDs ACT ivity ACT ivity LED D 100Mbps LINK LINK Failover LED LED LED connector 1000o OOO OSSE Bee aan 21000 ooon 386688 39 OOOcCpOOOc OO OCD B35 SBS SS8 33 3883 OOD O0OCGO66 55t S888 fds SS PE Y en 2 ETHERNET 7 Daea 10 100 ETHERNET O oc CONSOLE T gt j 10 100 BaseTX USB Ethernet 1 port RJ 45 10 100 BaseTX Console Ethernet 0 port RJ 45 RJ 45 Table 6 2 lists the state of the PIX 525 rear panel LEDs Table 6 2 PIX 525 Rear Panel LEDs LED Status Description 100 Mbps On Port 100 megabits per second 100BaseTX communication Off Port is using 10 megabits per second data exchange ACT On Shows network activity LINK On Show
16. pper standard barrel grounding lug Step15 Ensure that power is removed from the DC circuit To ensure that all power is OFF locate the circuit breaker on the panel board that services the DC circuit switch the circuit breaker to the OFF position and tape the switch handle of the circuit breaker in the OFF position Step16 Strip the ends of the wires for insertion into the power connect lugs on the PIX 525 Step 17 Refer to Figure 6 28 and insert the ground wire into the connector for the earth ground and tighten the screw on the connector Using the same method as for the ground wire connect the negative wire and then the positive wire Figure 6 28 Attaching DC Power Cables Q y Cisco PIX Firewall Hardware Installation Guide 626 E 78 13880 01 Chapter6 PIX 525 Installing a DC Power Supply W Step18 Reconnect power to the PIX 525 After wiring the DC power supply remove the tape from the circuit breaker switch handle and reinstate power by moving the handle of the circuit breaker to the ON position Step19 Insert the PIX 525 system diskette in the drive at the front of the unit Step 20 Power on the unit from the switch at the rear of the unit If you need to power cycle the DC PIX Firewall wait at least 5 seconds between powering off the unit and powering it back on Cisco PIX Firewall Hardware Installation Guide 78 13880 01 S627 Chapter6 PIX525 W install
17. s that data is passing through that interface The PIX 525 has RJ 45 network and console connectors as well as a DB 15 failover cable connector The USB port is not used at the present time Installing a PIX 525 Complete these steps to install a PIX 525 Step1 The PIX 525 provides one set of brackets for installing the unit in an equipment rack Complete these steps if the unit is going to be installed into an equipment rack a Attach the brackets to the holes near the front of the unit on each side of the PIX 525 using the supplied screws b Attach the unit to the equipment rack Cisco PIX Firewall Hardware Installation Guide 78 13880 01 PEN Chapter6 PIX 525 E Cisco PIX Firewall Hardw are Installation Guide Installing a PIX 525 Step 2 Step 3 Step 4 Step 5 Connect the cable so that you have either a DB 9 or DB 25 connector on one end as required by the serial port for your computer and the other end is the RJ 45 connector as shown in Figure 6 5 amp Note Use the Console port to connect a computer to enter configuration commands Locate the serial cable from the accessory kit The serial cable assembly consists of a null modem cable with RJ 45 connectors and one DB 9 connector and a DB 25 connector Connect the RJ 45 serial cable connector to the PIX 525 console connector and connect the other end to the serial port connector on your computer Figure 6 5 PIX 525 Rear Panel
18. sco PIX Firewall Hardware Installation Guide m Chapter6 PIX 525 W installing a Circuit Board in a PIX 525 An illustration of the VPN Accelerator is shown in Figure 6 16 Figure 6 16 PIX Firewall VPN Accelerator Circuit Board 619211 i Conc rl Gigabit Ethernet Circuit Board PIX Firewall supports 1000 Mbps Gigabit Ethernet The Gigabit Ethernet circuit board uses the gb ethernet device name and only has one hardware speed and the following duplex options 1000SXfull Forces full duplex operation 1000BaseSX Forces half duplex operation 1000auto Auto negotiates full or half duplex amp Note We highly recommend that you use a GE failover link when connecting a PIX 525 with GE interfaces Cisco PIX Firewall Hardw are Installation Guide ca 78 13880 01 Chapter6 PIX 525 Installing a DC Power Supply W The Gigabit Ethernet circuit board and the fiber optic cable connection are shown in Figure 6 17 Figure 6 17 Gigabit Ethemet Circuit Board 33010 OX O RX O LINK The Gigabit Ethernet circuit board has three LEDs TX Transmitting data RX Receiving data LINK The Gigabit Ethernet circuit board has established a network connection Installing a DC Power Supply A Warning Before performing any of the following procedures ensure that power is removed from the DC circuit To ensure that all power is OFF locate the circuit
19. securely attach the other to your wrist so it contacts your bare skin With the wrist strap on your wrist carefully grasp the memory strip from either end Note that a DIMM strip has notches To install a DIMM strip Remove the old memory strip by opening the two plastic wing connectors and pulling the old strip up Discard the old strip When installing the memory strip in a PIX 525 install the new strip in Bank 0 as shown in Figure 6 11 and Figure 6 12 by opening the two plastic wing connectors inserting the strip and closing the wing connectors Cisco PIX Firewall Hardware Installation Guide ca 78 13880 01 Chapter6 PIX 525 Installing a CircuitBoardinaPIX525 E Figure 6 11 Inserting a DIMM Memory Strip in a PIX 525 When you finish inserting new RAM memory reinstall the tray on the PIX 525 Reattach the screws If desired rack mount the PIX Firewall and attach all cables and cords as discussed in previous sections After the PIX Firewall is installed you can view the amount of RAM memory in the system startup messages or with the show version command Installing a Circuit Board in a PIX 525 The information in this section refers to all PIX 525 models Table 6 3 lists the optional circuit board combinations that are available for the PIX 525 This section includes the following topics PIX Firewall VPN Accelerator Circuit Board Gigabit Ethernet Circuit Board Cisco PIX Firewall Hardware Installat
20. t on the PIX 525 The first expansion port number at the top left is interface 2 Starting from that port and going from left to right and top to bottom the next port is interface 3 the next is interface 4 and so on Refer to PIX 525 Feature Licenses for information on how to configure the ports Step7 If you have a second PIX Firewall to use as a failover unit install the failover feature and cable as described in Installing Failover amp Note Do not power on the standby failover unit until the primary unit has been configured Step8 When you are ready to start the PIX 525 power on the unit from the switch at the rear of the unit PIX 525 Feature Licenses The VPN Accelerator Card VAC is integrated with PIX 525 unrestricted UR and failover FO bundles The VAC can also be purchased as a spare for use with PIX 525 units that have a restricted R license If you have a PIX 525 UR unrestricted feature license the following options are available Ifyou have a second PIX 525 to use as a failover unit install the failover feature and cable as described in Installing Failover Note Do not power on the failover units until the primary unit has been configured If needed install the PIX Firewall Syslog Server as described on the logging command page in the Cisco PIX Firewall Command Reference If you need to install an optional circuit board refer to Installing a Circuit Board in a PIX
21. tep 4 Disconnect the fan cable as shown in Figure 6 25 and set the fan aside Cisco PIX Firewall Hardware Installation Guide 78 13880 01 a 623 Chapter6 PIX525 HZ installing a DC Power Supply Figure 6 25 Disconnecting the Fan Cable Depress tab w S pull outward 31106 Location of the three remaining fan connectors Step5 Remove the next fan and disconnect its cable Step6 Remove the cables for the two remaining fans Remove the last two fans Step7 Replace the fans starting with the fan farthest away from the power supply If the bezel has been removed make sure the fan farthest away from the power supply does not cover the bezel holes Note Make sure that the label on the fan faces the chassis wall to ensure proper airflow direction Step8 Install cable clamps onto the fans by aligning cable clamp holes over fan mounting holes and pressing rivets through both See Figure 6 26 Cisco PIX Firewall Hardw are Installation Guide n 78 13880 01 Chapter6 PIX 525 Installing a DC Power Supply W Figure 6 26 Inserting Cable Clamp to the Fan Wiring clamp Step9 Reconnect the two pin fan cables to the remaining fan as shown in Figure 6 26 Fan wiring colors are listed in Table 6 4 Step 10 Route the fan wire on the top surface of the fans Place the fan wires straight and do not twist the wires together Locate the connectors in the gap between fans See Figure 6 21 St
22. um battery on its main circuit board This battery has an operating life of about 10 years When the battery loses its charge the PIX Firewall cannot function Contact Cisco TAC to replace the battery Note gt Warning Do not attempt to replace this battery yourself Danger of explosion exists if the lithium battery is incorrectly replaced Replace only with the same or equivalent type recommended by the manufacturer Dispose of used batteries according to the manufacturer s instructions Installing a Memory Upgrade A Observe the following warnings cautions and notes when installing additional PIX Firewall system memory The following statement applies to DC models Warning gt Warning A Caution A Before performing any of the following procedures ensure that power is removed from the DC circuit To ensure that all power is OFF locate the circuit breaker on the panel board that services the DC circuit switch the circuit breaker to the OFF position and tape the switch handle of the circuit breaker in the OFF position The following statement applies to both AC and DC models Before working on a system that has an On Off switch turn OFF the power and unplug the power cord Always remove old memory before installing new memory Caution If you remove a PIX Firewall chassis top panel always reinstall the top panel Running a PIX Firewall without the top p
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