MX10004 Hardware Overview
The MX10004 router is the most compact, high-density, and power-efficient modular router in the MX10000 line of modular packet-routing transport routers. At only 7 U in height, the MX10004 is designed for todayās space-constrained facilities. Like the larger MX10000 routers, the MX10004 supports Juniper Networksā 400-Gigabit Ethernet (GbE) architecture with inline Media Access Control Security (MACsec) on all ports for point-to-point security on Ethernet links.
The MX10004 provides 1-Gigabit Ethernet, 10-Gigabit Ethernet, 25-Gigabit Ethernet, 40-Gigabit Ethernet, 50-Gigabit Ethernet, 100-Gigabit Ethernet, or 400-Gigabit Ethernet modular solutions that support up to 38.4 terabits per second (Tbps) of throughput. The MX10004 power system and the Routing Control Board (RCB) provide redundancy and resiliency.
- Benefits
- Chassis Description
- Switch Fabric Boards
- Routing and Control Board
- Line Cards
- Cooling System
- Power Supplies
- Software
Benefits
The MX10004 is a small-footprint complement to the larger MX10000 modular chassis, with these benefits:
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Ease of deploymentāThe MX10004 features a compact 7-U modular chassis for sites with limited space or power.
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Modular, flexible designāThe MX10004 router uses the custom silicon line cards (2.4 Tbps, 480 Gbps, and 9.6 Tbps throughput) and power supplies found in the larger MX10000 modular chassis.
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Always-on infrastructure baseāThe MX10004 is engineered with full hardware redundancy for power and host subsystemsāRouting and Control Boards (RCBs)āallowing service providers to meet stringent service-level agreements across the core.
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Nondisruptive software upgradesāThe Junos OS operating system on MX10004 supports high availability (HA) features such as graceful Routing Engine switchover (GRES) and nonstop active routing (NSR).
Chassis Description
The MX10004 router is 7-U tall. You can install up to six MX10004 routers in a standard 42-U rack with adequate cooling and power. All key MX10004 router components are field-replaceable units (FRUs).Ā Figure 1Ā illustrates the key components visible from the front of the chassis,Ā Figure 2Ā illustrates the components that are visible from the rear of the chassis, andĀ Figure 3Ā illustrates the components that are internal to the chassis and are accessible after removing the fan trays.



Ā Ā 1
ā
Fan tray controllers |
Ā Ā 2
ā
Switch Fabric Boards (SFBs) |
Switch Fabric Boards
Switch Fabric Boards (SFBs) create the switch fabric for the MX10004. Each SFB has a set of connectors to mate the line cards and the Routing and Control Board (RCB) to the switch fabric. SeeĀ Figure 4Ā for an example of the JNP10004-SF2 Switch Fabric Board.
For the MX10004 switch fabric, three SFBs provide reduced switching functionality to an MX10004 router. Six SFBs provide full throughput. You install the SFBs between the line cards and the fan trays inside the chassis. Each MX10004 SFB has four connectors. Each connector matches up with a line card slot, eliminating the need for a backplane.
You can order the MX10004 with different SFB configurations that enable you to grow your system as needed. SeeĀ MX10004 Components and Configurations.
Routing and Control Board
The Routing and Control Board (RCB) contains a Routing Engine and is responsible for system management and system control in the MX10004. SeeĀ MX10004 Routing and Control Board Components and Descriptions. RCBs are field-replaceable units (FRUs) that you install in the front of the chassis in the slots labeledĀ CB0Ā andĀ CB1.
The supported models of RCB for JNP10004-SF2 fabric systems are as follows:
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JNP10K-RE1, 64 gigabytes of memory
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JNP10K-RE1-LT, 64 gigabytes of memory
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JNP10K-RE1-128, 128 gigabytes of memory
These RCBs run Junos OS 22.3R1. SeeĀ Figure 5.

The MX10004-BASE configuration has a single RCB. The fully redundant configurations have two RCBs. The RCB also contains Precision Time Protocol (PTP) ports and four Media Access Control Security (MACsec) capable ports. SeeĀ MX10004 Components and Configurations.
Line Cards
The MX10004 has four horizontal line card slots. The line cards combine a Packet Forwarding Engine and Ethernet interfaces enclosed in a single assembly. The MX10004 line card architecture is based on a number of identical, independent Packet Forwarding Engine slices. Line cards are FRUs that you can install in the line card slots labeledĀ 0Ā throughĀ 3Ā (top to bottom) on the front of the chassis. All line cards are hot-removable and hot-insertable.
The MX10004 supports the following line cards:
SeeĀ Figure 6Ā for an example of an MX10004 line card.

Cooling System
The cooling system in an MX10004 consists of two fan trays (seeĀ Figure 7) and two fan tray controllers (seeĀ Figure 8).
The JNP10004-FAN2 fan tray contains an array of six fans and operates as a single hot-removable and hot-insertable field-replaceable unit (FRU). You install the fan trays vertically on the rear of the chassis to provide front-to-back chassis cooling. SeeĀ MX10004 Cooling System.

Each JNP10004-FAN2 fan tray has a corresponding fan tray controller, JNP10004-FTC2. SeeĀ Figure 8.

Power Supplies
The MX10004 routers support AC, DC, high-voltage alternating current (HVAC), and high-voltage direct current (HVDC) through the following power supplies:
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JNP10K-PWR-AC3
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JNP10K-PWR-AC2
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JNP10K-PWR-DC2
Power supplies for the MX10004 are load-sharing, hot-removable, hot-insertable FRUs. The router operates with three power supplies. Each power supply has an internal fan for cooling. You can install the power supplies in any slot. SeeĀ Figure 9,Ā Figure 10, andĀ Figure 11.
Avoid mixing power supply models in the same chassis in a running environment.



Table 1Ā provides an overview of the differences between the power supplies.
Power Supply Model |
Input Type |
Wattage |
---|---|---|
JNP10K-PWR-AC2 |
AC, HVAC, or HVDC |
5000 W, single feed; 5500 W, dual feed |
JNP10K-PWR-DC2 |
DC only |
2750 W, single feed; 5500 W, dual feed |
Software
The Juniper Networks MX10004 Universal Routing platform runs on the Junos OS 22.3R1 operating system.
MX10004 Components and Configurations
MX10004 Configurations
Table 2Ā lists the hardware configurations for an MX10004 modular chassis and the components included in each configuration.
Router Configuration |
Configuration Components |
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MX10004-BASE |
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