Juniper MX204 Hardware Manual Download Page 1

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MX204 3D Universal Edge Router Hardware Guide

Modified: 2018-06-11

Summary of Contents for MX204

Page 2: ...Table 3 on page 4 shows the components supported on the router Table 3 MX204 Router Components Description Component 2 Power supply module 3 Fan module Related Documentation MX204 Chassis Description...

Page 3: ...or larger enclosed cabinets 19 in equipment racks or telco open frame racks The total weight of fully loaded router is 22 7 lb 10 3 kg For more information see MX204 Router Physical Specifications on...

Page 4: ...ach an ESD strap to an ESD point and place the other end of the strap around your bare wrist Failure to use an ESD strap could result in damage to the hardware components Figure 5 ESD Points on the MX...

Page 5: ...ature within the acceptable range CAUTION For a fully configured router all the three fan modules and the two power supply modules must be operational and in the event of any module failure the failed...

Page 6: ...0W AC AO JPSU 650W DC AFO Power supply module N A PIC N A built in MIC N A FPC N A built in MPC N A RE S 2X00x6 N A built in Routing Engine Hardware Compatibility Tool Xcvr See MX Series Interface Mod...

Page 7: ...module 3 0 through 2 Fan module Related Documentation MX204 Routing Engine Description on page 15 MX204 Chassis Description on page 5 Alarm LEDs on the MX204 Front Panel One alarm LED labeled ALM is...

Page 8: ...rmally the fans function at lower than full speed If a fan fails or the ambient temperature rises above a threshold the speed of the remaining fans is automatically adjusted to keep the temperature wi...

Page 9: ...back AIR OUT cooling system see Figure 7 on page 12 Air is pulled through the front the chassis toward the fan tray where it is exhausted out of the system Figure 7 Airflow Through the Router g009880...

Page 10: ...an MX204 Fan Module on page 95 MX204 Fan Status LED The MX204 fan module does not have any LED the fan status LEDs are located on the MX204 chassis Figure 8 on page 13 shows the fan status LEDs Figure...

Page 11: ...uting Engine Components on page 16 Routing Engine Front Panel on page 16 Routing Engine Interface Ports on page 16 Routing Engine Functions The Routing Engine is built in on the MX204 baseboard and ca...

Page 12: ...ter clock GM PTP port OFFLINE button Routing Engine Interface Ports The ports located on the router connect the Routing Engine to one or more external devices on which system administrators can issue...

Page 13: ...ernal clock signal sources The clocking ports provide the synchronized output clocks from any one of the reference clock inputs based on the clock s priority USB Provides a removable media interface t...

Page 14: ...condition that can cause the router to stop functioning Possible causes include component failure or any major software failure On steadily Red ALM Warning alarm Indicates a serious but nonfatal erro...

Page 15: ...en there is loss of signal or loss of line Off Activity LED left When there is loss of signal or loss of line On steadily Link LED right Amber When there is no loss BITS is in locked state Off Link LE...

Page 16: ...ully populated system If the first power supply in a redundant configuration fails or is removed the second power supply assumes the entire electrical load without interruption A single power supply p...

Page 17: ...rate protective earthing terminal sized for 10 32 screws provided on the chassis in addition to the grounding pin of the power supply cord This separate protective earthing terminal must be permanentl...

Page 18: ...ule LEDs AC Power Supply Module LEDs on page 23 DC Power Supply Module LEDs on page 24 AC Power Supply Module LEDs Figure 12 on page 23 shows the AC power supply module components along with the statu...

Page 19: ...ly Green Power supply output is off Off Unlit DC OK The power supply is sending out power correctly On steadily Green An error has been detected in the power supply Replace the power supply as soon as...

Page 20: ...power source or the power supply is not receiving power Off Unlit IN Input Power supply is receiving power On steadily Green Power supply output is off Off Unlit OUT Output The power supply is sendin...

Page 21: ...verview on page 29 Transceiver and Cable Specifications on page 37 AC Power Requirements Specifications and Guidelines on page 43 DC Power Requirements Specifications and Guidelines on page 49 Pinout...

Page 22: ...page 29 summarizes the physical specifications for the router Table 12 Router Physical Specifications Height Depth Width Weight Description 1 72 in 4 37 cm 1 U 18 50 in 47 0 cm 20 43 in 51 89 cm with...

Page 23: ...eet Telcordia Technologies Zone 4 earthquake requirements Seismic 1705 BTU hour 500 W Maximum thermal output NOTE Install the router only in restricted access areas such as dedicated equipment rooms a...

Page 24: ...e one grounding cable lug that attaches to the grounding cable and 10 32 screws used to secure the grounding cable to the grounding points CAUTION Before router installation begins a licensed electric...

Page 25: ...ns see MX204 Router Physical Specifications on page 29 The outer edges of the mounting brackets extend the width to 19 in 48 3 cm The spacing of rails and adjacent racks must also allow for the cleara...

Page 26: ...ck If the device has side to rear airflow then provisions must be made to ensure that fresh air from the front of the rack is supplied to the inlets and exhaust exits from the rear of the rack The dev...

Page 27: ...2 cm of clearance between side cooled routers Allow 2 8 in 7 cm between the side of the chassis and any non heat producing surface such as a wall For service personnel to remove and install hardware c...

Page 28: ...ite Preparation Checklist Date Performed by For More Information Item or Task Environment MX204 Router Environmental Specifications on page 30 Verify that environmental factors such as temperature and...

Page 29: ...including required space clearances MX204 Router Rack Requirements on page 32 If a rack is used secure rack to floor and building structure Cables Calculating Power Budget and Power Margin for Fiber O...

Page 30: ...perform the following tasks 1 Calculating Power Budget for Fiber Optic Cable on page 37 2 Calculating Power Margin for Fiber Optic Cable on page 38 Calculating Power Budget for Fiber Optic Cable To en...

Page 31: ...n Table 17 Estimated Values for Factors Causing Link Loss Estimated Link Loss Value Link Loss Factor Single mode None Multimode 0 5 dB Higher order mode losses Single mode None Multimode None if produ...

Page 32: ...ect to management ports and the wires that connect to the alarm relay contacts NOTE In routers where the Routing Engine RE and Control Board CB are integrated into a single board a CB RE is known as R...

Page 33: ...th and can carry signals for longer distances Exceeding the maximum transmission distances can result in significant signal loss which causes unreliable transmission Attenuation and Dispersion in Fibe...

Page 34: ...er system electrical specifications Table 19 AC Power System Electrical Specifications Specification Item Operating range 100 through 240 VAC AC input voltage 50 through 60 Hz nominal AC input line fr...

Page 35: ...on page 45 Power Requirements for MX204 Components Table 21 on page 44 lists the power requirements for various hardware components when the router is operating under typical and maximum voltage condi...

Page 36: ...818 4 BTU hr Related Documentation MX204 Power System Description on page 21 Replacing an MX204 AC Power Supply on page 97 AC Power Cord Specifications for MX204 Routers on page 46 AC Power Circuit B...

Page 37: ...Table 24 on page 46 gives the AC power cord specifications for the countries and regions listed in the table Table 24 AC Power Cord Specifications Juniper Model Number Plug Standards Electrical Specif...

Page 38: ...1 A and 15 A 50 Hz Taiwan CBL EX PWR C13 UK BS 1363 A Type BS89 13 250 VAC 10 A 50 Hz United Kingdom Figure 18 on page 47 illustrates the plug on the power cord for some of the countries or regions li...

Page 39: ...ions Table 25 on page 49 lists the DC power system electrical specifications Table 25 DC Power System Electrical Specifications Specification Item Operating range 40 through 72 VDC DC input voltage 20...

Page 40: ...the power requirements for various hardware components when the router is operating under typical and maximum voltage conditions Table 27 Power Requirements for MX204 Components Power Requirement at...

Page 41: ...04 Router on page 52 DC Power Cable Specifications for MX204 Router on page 53 General Safety Guidelines and Warnings on page 133 General Electrical Safety Guidelines and Warnings on page 155 Preventi...

Page 42: ...dard color coding for DC power cables The color coding used by the external DC power source at your site determines the color coding for the leads on the power cables that attach to the terminal studs...

Page 43: ...power cables that you supply A cable with an incorrectly attached lug can damage the router DC Power Cable Specifications You must supply four DC power cables that meet the following specifications 12...

Page 44: ...r The ports connect the Routing Engine to an auxiliary or console management device Table 30 on page 55 describes the RJ 45 connector pinout NOTE In routers where the Routing Engine and Control Board...

Page 45: ...nagement NOTE In routers where the Routing Engine and Control Board CB are integrated into a single board a CB RE is known as Routing and Control Board RCB The RCB is a single FRU that provides Routin...

Page 46: ...on Unpacking the Router on page 59 Installing the Router on page 63 Connecting the Router to Power on page 71 Connecting the Router to the Network on page 83 Configuring Junos OS on the Router on page...

Page 47: ...age 5 MX204 Field Replaceable Units on page 7 Unpacking MX204 Router on page 59 Unpacking MX204 Router The router is shipped in a cardboard carton and secured with foam packing material The carton als...

Page 48: ...shipment Check the parts in the shipment against the items on the packing list The packing list specifies the part numbers and descriptions of each part in your order If any part is missing contact a...

Page 49: ...1 Juniper Networks Product Warranty 1 End User License Agreement 1 Document sleeve 2 3 in x 5 in pink bag 2 9 in x 12 in pink bag ESD 1 Accessory box 19 in x 12 in x 3 in 1 Ethernet cable RJ 45 to DB...

Page 50: ...d verify the parts a See Unpacking MX204 Router on page 59 b See Verifying the MX204 Router Parts Received on page 60 4 Optional Remove components from the MX204 router chassis before Installing It in...

Page 51: ...ation MX204 Router Rack Requirements on page 32 MX204 Router Clearance Requirements for Airflow and Hardware Maintenance on page 34 MX204 Router Cabinet Requirements and Specifications on page 33 Tool...

Page 52: ...in Cabinets Racks Panels and Associated Equipment document number EIA 310 D published by the Electronics Industry Association http www ecianow org ETSI rack A 21 in 500 mm ETSI rack as defined in the...

Page 53: ...s see Figure 21 on page 66 Figure 21 Installing the Router in a Four Post Rack g009889 7 Install mounting screws into each of the open front mounting holes aligned with the rack starting from the bott...

Page 54: ...he mounting screws on one side of the rack are aligned with the mounting screws on the opposite side and the router is level Figure 24 on page 67 shows the router fully secured and installed in a four...

Page 55: ...SI brackets on the front mounting brackets on each side of the chassis see Figure 27 on page 68 Figure 27 Installing the Front ETSI Brackets g009886 5 With one person on each side hold on to the botto...

Page 56: ...brackets see Figure 30 on page 69 The rear mounting brackets on each side of the chassis are movable You can adjust the brackets according to the depth of the rack Figure 30 Installing the Rear ETSI...

Page 57: ...70 shows the router fully secured and installed in a four post rack with ETSI brackets Figure 32 Router Installed in the Rack with ETSI Brackets g009885 Related Documentation MX204 Site Preparation C...

Page 58: ...er 2 5 mm flat blade screwdriver Torque controlled driver with a maximum torque capacity of 6 lb in 0 7 Nm for tightening screws to terminals on each power supply on a DC powered router CAUTION The ma...

Page 59: ...Figure 33 Grounding Point on the MX204 Router Rear panel g009882 1 1 Grounding point To ground the router 1 Verify that a licensed electrician has attached the cable lug provided with the router to th...

Page 60: ...155 Prevention of Electrostatic Discharge Damage on page 156 Connecting Power to an AC Powered MX204 Router CAUTION Do not mix AC and DC power supply modules within the same router Damage to the rout...

Page 61: ...power supply face plate on the router until it snaps into place Ensure that the loop in the retainer strip faces toward the power cord Figure 35 on page 74 shows the port on the AC power supply modul...

Page 62: ...g against the base of the coupler 9 Press the tab on the loop and draw out the loop into a tight circle see Figure 37 on page 75 10 Route the power cord appropriately Verify that the power cord does n...

Page 63: ...d to the CON port on the chassis 4 Turn on power to the external management device 5 Switch on the dedicated customer site circuit breakers for the power supply modules Follow the instructions for you...

Page 64: ...up process to verify that the system has booted properly Related Documentation Tools and Parts Required for MX204 Router Grounding and Power Connections on page 71 Connecting Power to an AC Powered MX...

Page 65: ...n circuit to chassis ground is 48V The cable with very low resistance indicating a closed circuit to chassis ground is RTN CAUTION You must ensure that power connections maintain the proper polarity T...

Page 66: ...connected correctly that they do not touch or block access to router components and that they do not drape where people could trip on them 7 Repeat Step 1 through Step 6 for installing the other power...

Page 67: ...supply faceplate is lit steadily green to verify that power is present 7 If power is not present Verify that the fuse is installed correctly and turn on the breaker at the battery distribution fuse b...

Page 68: ...ne monitor the startup process to verify that the system has booted properly Related Documentation Tools and Parts Required for MX204 Router Grounding and Power Connections on page 71 Connecting Power...

Page 69: ...mand Initiating vmhost halt ok Initiating Junos shutdown shutdown pid 14318 Shutdown NOW ok Junos shutdown is in progress FINAL System shutdown message System going down IMMEDIATELY Operating system h...

Page 70: ...flat blade screwdriver for the alarm relay contacts Electrostatic discharge ESD grounding wrist strap provided in the accessory kit Related Documentation Verifying the MX204 Router Parts Received on...

Page 71: ...cting the Router to External Clocking and Timing Devices on page 86 Connecting the Router to a Network for Out of Band Management To connect the router to a network for out of band management connect...

Page 72: ...86 The console port accepts a cable with an RJ 45 connector One serial cable with an RJ 45 connector and a DB 9 connector is provided with the router NOTE Use shielded CAT5e cable for connecting the C...

Page 73: ...to the Router on page 86 Connecting a Time of Day Device to the Router on page 87 Connecting a BITS External Clocking Device to the Router on page 87 Connecting 1 PPS and 10 MHz Timing Devices to the...

Page 74: ...ng trap on your bare wrist and connect the strap to one of the ESD points on the chassis 2 Plug one end of the RJ 45 cable into the ToD port on the front panel of the router 3 Plug the other end of th...

Page 75: ...locking device 4 Verify that the LEDs for the BITS port are lit steadily green 5 Configure the port See Configuring Clock Synchronization Interface on MX Series Routers Table 38 BITS Port on the MX204...

Page 76: ...tempt otherwise fails the router next tries the primary boot device and then tries the secondary boot device You configure the router by issuing Junos OS command line interface CLI commands either on...

Page 77: ...ser name class super user 8 Configure the router s domain name edit root set system domain name domain name 9 Configure the IP address and prefix length for the router s Ethernet interface edit root s...

Page 78: ...d a static route to that subnet within the routing table For more information about static routes see the Junos OS Administration Library edit root set routing options static route remote subnet next...

Page 79: ...statements Then commit the changes to activate them on the router edit root host commit 18 When you have finished configuring the router exit configuration mode edit root host exit root host Related...

Page 80: ...moving Installing and Upgrading Components Replacing Cooling System Components on page 95 Replacing Power System Components on page 97 Replacing Transceivers on page 105 93 Copyright 2018 Juniper Netw...

Page 81: ...Attach an ESD grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis 2 Loosen the captive screw on the fan module faceplate use a number 2 Phillips screwdrive...

Page 82: ...le on the respective slot and carefully push the fan module into the chassis until the socket lock snaps into place and holds it 4 Using a number 2 Phillips screwdriver turn the locking screw on the f...

Page 83: ...required number of power supply modules must be present in the router at all times CAUTION To maintain proper cooling and prevent thermal shutdown of the operating power supply unit each power supply...

Page 84: ...ut of the chassis Figure 46 Removing an AC Power Supply g009869 Installing an MX204 AC Power Supply To install an AC power supply see Figure 47 on page 99 1 Attach an ESD grounding strap to your bare...

Page 85: ...tic Discharge Damage on page 156 Replacing an MX204 DC Power Supply Removing an MX204 DC Power Supply on page 99 Installing an MX204 DC Power Supply on page 101 Removing an MX204 DC Power Supply Befor...

Page 86: ...across the DC power source cable leads is 0 V and that there is no chance that the cables might become active during the removal process 3 Verify that the status LED on the power supply is not lit 4...

Page 87: ...hat the voltage across the DC power source cable leads is 0 V and that there is no chance that the cable leads might become active during installation 2 Attach an ESD grounding strap to your bare wris...

Page 88: ...r polarity There is no standard color coding for DC power cables The color coding used by the external DC power source at your site determines the color coding for the leads on the power cables that a...

Page 89: ...Router DC Power Specifications on page 49 DC Power Circuit Breaker Requirements for the MX204 Router on page 51 DC Power Source Cabling for MX204 Router on page 52 DC Power Cable Specifications for M...

Page 90: ...SFP transceiver no longer receives or transmits data Figure 52 Small Form Factor Pluggable SFP Transceiver g001855 Connector Locking pin Removing an SFP Transceiver on page 105 Installing a SFP Trans...

Page 91: ...ody of the transceiver and pull it the rest of the way out of the interface port 8 Place a rubber safety cap over the transceiver 9 Place the removed transceiver on an antistatic mat or in an electros...

Page 92: ...w on page 3 Replacing a QSFP28 Transceiver 28 Gbps quad small form factor pluggable QSFP28 transceivers are optical transceivers that are installed in an MPC a MIC or a router QSFP28 transceivers are...

Page 93: ...f the way in a neatly coiled loop in the cable management system Placing fasteners on the loop helps to maintain its shape CAUTION Avoid bending fiber optic cable beyond its minimum bend radius An arc...

Page 94: ...ng stress points Secure the cable so that it does not support its own weight as it hangs to the floor Place excess cable out of the way in a neatly coiled loop in the cable management system Placing f...

Page 96: ...eventive maintenance procedures Action Inspect the installation site for moisture loose wires or cables and excessive dust Make sure that airflow is unobstructed around the router and into the air int...

Page 97: ...38 degrees C 100 degrees F CB 0 Top Right Exhaust Sensor OK 45 degrees C 113 degrees F CB 0 Top Left Exhaust Sensor OK 64 degrees C 147 degrees F CB 0 CPU Core 0 Temp OK 49 degrees C 120 degrees F CB...

Page 98: ...0 CPU Core 3 Temp OK 34 degrees C 93 degrees F CB 0 CPU Core 4 Temp OK 33 degrees C 91 degrees F CB 0 CPU Core 5 Temp OK 33 degrees C 91 degrees F CB 0 CPU Core 6 Temp OK 33 degrees C 91 degrees F CB...

Page 99: ...erify the condition of the Routing Engine on a regular basis Action On a regular basis Check the LEDs on the front panel to view information about the status of the Routing Engine To check the status...

Page 100: ...time 2017 11 29 19 04 56 PST Uptime 5 days 4 hours 58 minutes 44 seconds Last reboot reason 0x2000 hypervisor reboot Load averages 1 minute 5 minute 15 minute 0 10 0 14 0 15 Related Documentation MX20...

Page 101: ...PART 6 Contacting Customer Support and Returning the Chassis or Components Contacting Customer Support on page 121 Locating Component Serial Numbers on page 125 119 Copyright 2018 Juniper Networks Inc...

Page 102: ...08 745 9500 If contacting JTAC by phone enter your 12 digit case number followed by the key if this is an existing case or press the key to be routed to the next available support engineer When reques...

Page 103: ...ct dial options in countries without toll free numbers see https www juniper net support requesting support html If you are contacting JTAC by telephone enter your 12 digit case number followed by the...

Page 104: ...oduct problems or technical support issues contact the Juniper Networks Technical Assistance Center JTAC by using the Case Manager link at https www juniper net support or at 1 888 314 JTAC within the...

Page 105: ...in the command output you can locate the serial number ID label on the router or component NOTE If you want to find the serial number ID label on a component you need to remove the component from the...

Page 106: ...al Number ID Label on an MX204 The serial number ID label is located on a label on the top of the chassis See Figure 54 on page 126 for the location on an MX204 Figure 54 MX204 Chassis Serial Number L...

Page 107: ...X204 are field replaceable units FRUs For each FRU you must remove the FRU from the router chassis to see the FRU serial number ID label Fan module The serial number ID label is located at the base of...

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