Juniper Networks ACX500 Universal Access Router

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Brand: Juniper
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The ACX500 is a small form factor, hardened fanless router that delivers up to 6 Gbps throughput. It comes with an integrated software-enabled GPS receiver and supports a rich set of security, timing, and synchronization features. Additionally, ACX500 has been certified for indoor and outdoor use for utilities and railways. It is ideal for small cell, LTE-Advanced mobile backhaul deployments, as well as use cases in the industrial environment.

The temperature-hardened ACX500 indoor model provides four copper 10/100/1000 Mbps ports and two fiber 1 Gbps ports, while the environmentally hardened ACX500-O and ACX500-O-PoE outdoor models provide three copper ports and three fiber ports. Both the ACX500 and the ACX500-O-PoE support Power over Ethernet Plus (PoE++), with a power budget of 80 watts.

The ACX500 also supports Juniper Networks Junos operating system, extensive Layer 2 and Layer 3 features, IP/MPLS with traffic engineering support, rich network management, fault management, service monitoring, and Operation, Administration, and Maintenance (OAM) capabilities. Using the Junos SDK, it is easy to customize the provisioning and integration of third-party apps and tools.

Product Description

ACX Series Universal Access Routers bring operational intelligence to the access and aggregation layers, providing the option to deploy Ethernet or IP/MPLS infrastructure. High-precision synchronization technology, industry-leading security, and high availability features enhance QoE, while extensive OAM, built-in advanced SLA management, and zero touch deployment capabilities reduce TCO. ACX Series platforms address a variety of service provider use cases—including mobile backhaul, residential and business access, and metro Ethernet aggregation—as well as enterprise use cases for power utilities, oil and gas, mining, transportation, and defense and public safety industries.

Juniper Networks ACX Series Universal Access Routers are Juniper’s response to a shift in metro network architecture where the access and aggregation layer is extending the operational intelligence from the service provider edge to the access network. The ACX Series simplifies access and aggregation architectures by eliminating unnecessary layers and network overlays, dramatically reducing CapEx and OpEx. Based on architectural simplification and cost reduction, service providers and enterprises can adopt the true universal access paradigm enabled by the ACX Series. In addition to MEF CE2.0 compliance for supporting both Ethernet and IP/MPLS, the ACX Series provides high capacity and scalability while delivering industry-leading performance with a range of port densities and interface types. Table 1 provides a snapshot of interfaces supported on each ACX Series model. The flexibility and upgradability (mix and match of interface types) makes the ACX Series ideal for a wide range of use cases applications.

Metro Ethernet

Carrier Ethernet services have been growing at double-digit rates over the past several years, and the trend is expected to continue—projected to reach over $70 billion revenue globally by 2020. Unabated network traffic growth driven by video and mobility, the continued shift from legacy TDM to IP, increased adoption of cloud services, and the arrival of smart cities and IoT (Internet of Things) all drive the demand for more Ethernet services given its lower cost per bit and bandwidth scalability. Meanwhile, Carrier Ethernet services are being provided by a wide range of service providers, and the increased competition has been putting pressure on the services price. To maintain profitability and compete effectively, service providers need a scalable universal metro Ethernet infrastructure to serve multiple customer segments with differentiated services.

  • Business Services—The ACX500, ACX1000 line, and ACX2000 line can be deployed as a CPE or NID to provide L2/3 business access, direct Internet access, and IP services such as IP VPN. The ACX Series features robust OAM and SLA control capabilities; together with automation and zero touch provisioning, the ACX Series enables seamless migration from 1GbE to 10GbE.
  • Residential Aggregation—The ACX5000 is a perfect candidate as a versatile metro aggregation platform. It supports high port densities and rich features such as Ethernet OAM for E-LINE, E-LAN, E-TREE over Ethernet or IP/MPLS, and IP VPN. The ACX5000 is also an excellent choice as a converged FTTH and metro Ethernet Services solution.
  • Wholesale Mobile Backhaul—In addition to MEF CE 2.0 compliance, supporting both Ethernet and IP/MPLS, the ACX Series provides high capacity and scalability, complete timing and synchronization, and integrated security and SLA tools that wholesale operators could use to differentiate for mobile backhaul services. Additionally, the ACX500 could be used as a last-mile deployment solution for a small cell as-a-service offering.
  • Cloud Exchange—High capacity, low power consumption in combination with rich MEF and IP feature set, all make the ACX5000 a good fit as the aggregation platform for a Cloud Exchange service provider.

Mobile Backhaul and Fronthaul

The accelerating speed of innovation is forcing mobile operators to start planning for migration to LTE-Advanced now and 5G in the near future. LTE-Advanced and 5G place more stringent requirements for capacity, latency, synchronization, and security on the network infrastructure.

Equipped with 1GbE/10GbE interfaces and providing up to 60 Gbps of throughput, the ACX Series satisfies LTE-Advanced and 5G capacity requirements. In addition to high capacity and density to address scaling requirements, the ACX Series also addresses end-user quality requirements through highprecision timing, advanced security features, and enhanced SLA management capabilities.

Today, the ACX Series supports all mobile services profiles including 2G/3G HSPA, 4G LTE, LTE-Advanced, and Small Cell. In a typical backhaul deployment scenario, the ACX500 is used as a small cell router and grandmaster, whereas the ACX1000 line, ACX2000 line, or ACX4000 are macro cell site routers. The backhaul traffic carried over Ethernet or IP/MPLS is aggregated by the ACX5000 before it hits the mobile core. In a C-RAN deployment scenario, the ACX5000 could be used for fronthaul in a BBU model.

Enterprise Networking and Field Area Network

As enterprises and governments are embarking on their digital transformation journey, they need to deploy and upgrade their mission-critical communications networks, some of which are located in demanding and harsh environments such as the field area networks for providing SCADA system connectivity. These include power utilities, oil and gas, mining, rail and transportation, defense and public safety industries, etc.

The environmentally hardened small form factor ACX Series platforms deliver comprehensive routing and security services, application awareness and control, with high availability to ensure business continuity and resiliency, and they are perfect choices for supporting such mission-critical communications networks. The ACX Series enables seamless migration from legacy TDM/SONET to Ethernet/IP, with support of legacy services.



The ACX Series delivers new levels of programmability, reliability, and scalability to the service provider and enterprise networks. The ACX Series portfolio improves customer satisfaction while lowering the total cost of operating, maintaining, and updating the network infrastructure.

Zero Touch Deployment (ZTD)

Based on Junos OS automation capabilities, ACX Series routers support a zero touch deployment (ZTD) model. The ZTD model significantly minimizes the time for any new equipment installation and provisioning, resulting in lower OpEx and TCO and improved operational efficiency. In addition, the zero touch deployment model reduces the traditional complexity of deploying MPLS in the access.

Integrated High-Precision Timing

The ACX Series incorporates1 highly scalable and reliable hardware-based timing technology, based on Juniper Networks intellectual property that meets the strictest LTE-A requirements for frequency and phase synchronization. Providing an accurate timing reference is one of the most significant technical and operational challenges for deployment of LTE radio access networks. ACX Series routers support Synchronous Ethernet for frequency as well as Precision Time Protocol (PTP) for both frequency and phase synchronization. Furthermore, the ACX Series allows Synchronous Ethernet and PTP to be used in a hybrid mode for the highest level of frequency (10 ppb) and phase (<500 nS) accuracy required for LTE-A. The ACX500, ACX500-O, and ACX500-O-PoE also provide an integrated GPS receiver and can act as a grandmaster (GM) clock for a distributed PTP implementation, making them an ideal choice for the aggregation of small cell traffic when the backhaul is transported over the Internet.

Advanced Security Services

One of the significant challenges in the rollout of small cells is to address the security threats from easily accessible locations. The ACX500 enables advanced security services such as IPsec, MACsec, NAT, and TPM to protect against potential vulnerabilities to the network as well as subscriber traffic. Hardware acceleration through a purpose-built services engine enhances the scalability of these computational-intensive services to support a large-scale small cell deployment.

Enhanced Service Assurance, SLA Management, and Ethernet OAM

The ACX Series routers provide the most comprehensive set of features. Using 802.3ah, 802.1ag, Y.1731, Two-Way Active Measurement Protocol (TWAMP) and RFC2544, mobile operators and wholesale service providers can make sure that the services being offered through ACX Series routers are meeting the desired service-level agreements.

Environmentally Hardened Design

Most of the ACX Series models such as ACX500, ACX1x00, and ACX2x00, are temperature hardened and support passive cooling for outdoor deployments in extreme weather conditions. The ACX500-O and ACX500-O-PoE are based on environmentally hardened, ruggedized chassis and are IP65 compliant for outdoor deployments with no need for an enclosure or cabinet. These are designed to be pole or strand mounted alongside outdoor small cells.

High Availability and Reliability

Junos Continuity and unified ISSU features remove the downtime risks associated with implementing new hardware or upgrading operating systems. Junos Continuity eliminates OS upgrades and system reboots when adding new hardware to ACX Series routers—a plug-in package provides the drivers and support files needed to bring the hardware online. Unified ISSU reduces the risks associated with OS upgrades by enabling upgrades between two different Junos OS releases (major or minor) with no control plane disruption and minimal traffic disruption on the forwarding plane.

MEF CE 2.0 Compliant

The ACX Series routers are all MEF CE 2.0 compliant and could support all Carrier Ethernet services, which include E-LINE, E-LAN, E-TREE, and E-ACCESS.

Full Feature Set of L2, L3, IP/MPLS

The ACX Series routers support a full feature set of L2, L3, and IP/ MPLS. Service providers can not only monetize Layer 2 Ethernet services, but also Layer 3, IP/IP-VPN services, etc., for greater monetization.

ACX Series Platform Feature Matrix
Dimensions (W x H x D) ACX500: 17.5x1.75x9.4 in (44.5x4.4x24 cm)
ACX500-O: 8x12.3x4.3 in (20.3x31.2x10.9 cm)
ACX500-O-POE: 10x16x4.7 in (25.4x40.6x11.9 cm)
17.5x1.75x9.4 in
(44.5x4.4x24 cm)
17.5x1.75x9.4 in
(44.5x4.4x24 cm)
17.5x4.35x9.25 in
(44.5x11x23.5 cm)
17.36x1.72x20.48 in
(44.09x4.37x52.02 cm)
17.36x3.46x22.44 in
(44.09x8.8x57 cm)
Weight (lb/kg) fully configured ACX500-DC: 8.6 lb (3.9 kg)
ACX500-AC: 9.26 lb (4.2 kg)
ACX500-O-DC: 11 lb (5 kg) ACX500-O-AC: 11.68 lb (5.3 kg)
ACX500-O-POE-DC: 13.66 lb (6.2 kg)
ACX500-O-POE-AC: 14.33lb (6.5 kg)
ACX1000: 6.5 lb (2.94 kg)
ACX1100: 7.8 lb (3.54 kg)
8.3 lb (3.77 kg) 23.8 lb (10.82 kg)
(Fully configured with two power supply units, two Modular Interface Cards (MICs)
ACX5048: 21.8 lb (9.9 kg)
ACX5096: 32.5 lb (14.74 kg)
Power (DC) -48 V nominal or -60 V telco nominal or +24 VDC nominal -48 V nominal or -60 V telco nominal or +24 VDC nominal -48 V nominal or -60 V telco nominal or +24 VDC nominal -48 V nominal or -60 V telco nominal or +24 VDC nominal -36 to -72 VDC power
Power (AC) 90-240 V 90 to 240 VAC for ACX1100-AC* only 90 to 240 VAC for ACX2100-AC* only 90 to 240 VAC 110-240 V
Maximum power draw 65 W + PoE power (80 W) (ACX500)
55 W (ACX500-O)
55 W + PoE power (80 W) (ACX500-OPOE)
50 W (ACX1000);
35 W (ACX1100-AC);
40 W (ACX1100-DC)
70 W (ACX2000);
60 W (ACX2100-AC);
80 W (ACX2100-DC)
150 W (w/o MICs); 45 W for each MIC; 65 W for each PoE++ port ~350 W (with optical SFPs) (ACX5048)
~550 W (with optical SFPs) (ACX5096)
Operating temperature -40° to 149° F
(-40° to 65° C)
-40° to 149° F
(-40° to 65° C)
-40° to 149° F
(-40° to 65° C)
full featured
-40° to 149° F
(-40° to 65° C)
32° to 104° F
(0° to 40° C)
Humidity 95% RH noncondensing 95% RH noncondensing 95% RH noncondensing 95% RH noncondensing 5%-90% RH noncondensing
  • ACX500 Datasheet
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