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ACX Series Universal Access Routers
Architecture and Key Components
Powered by Juniper Networks Junos operating system, the ACX
Series routers complement Juniper's universal edge solutions
through a flexible and scalable service provider and enterprise
branch routing portfolio optimized to support rapidly growing
mobile, video, and cloud computing applications. The ACX Series
introduces Juniper's proven IP/MPLS leadership from core and edge
into the access layers of the network. Maintaining relative simplicity
in the access network, the ACX Series supports a rich suite of L2,
L3, and IP/MPLS functionality to allow large-scale seamless MPLS
networks with simplified service provisioning and operations.
The ACX Series delivers 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.
Integrated High Precision Timing
The ACX Series incorporates
1
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 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.
Table 1: Built-In Interface Options for Various ACX Series Models
Model
TDM (T1/E1)
ACX500
ACX500-O
ACX500-O-POE
ACX1000
ACX1100
ACX2000
ACX2100
ACX2200
ACX4000
ACX5048
ACX5096
* SFP+ ports can be configured to be 1GbE ports and accept 1GbE small form-factor pluggable transceiver (SFP).
1
All models except ACX5048 and ACX5096
highly scalable and reliable
GbE (copper)
-
-
-
3
3 with PoE+
-
support
8
8
-
8
8 (PoE++
16
support on 2
ports)
16
4
-
4
-
-
-
-
-
-
Advanced Security Services
One of the significant challenges in the roll out 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.
Environmental 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.
GbE (combo)
GbE (SFP)
4 (PoE+ support
2
on 3 ports)
-
3
-
3
4
-
4
-
-
2
4
2
4
2
8 (PoE++
support on 2
2
ports)
-
-
-
-
Data Sheet
10GbE (SFP+)
40GbE (QSFP)
-
-
-
-
-
-
-
-
-
-
2*
-
2*
-
2*
-
2*
-
48*
6
96*
8
2
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