Juniper ACX4000 Bedienungsanleitung
ACX4000 Universal Metro Routers
Quick Start
January 2015
Part Number: 530-062129
Revision 01
This document describes how to install the Juniper Networks®ACX4000 Universal Metro Router.
Contents ACX4000 Quick Start Description | 3
Step 1: Prepare the Site for ACX4000 Router Installation | 5
Step 2: Install the Router | 7
Tools Required to Install the Router in a Rack | 7
Install the Mounting Brackets | 7
Install the ACX4000 Router in the Rack | 8
Step 3: Ground the ACX4000 Router | 10
Tools Required to Ground the ACX4000 Router | 10
Connect the Grounding Cable | 10
Step 4: Connect External Devices and Cables | 13
Tools Required to Connect External Devices and Cables | 13
Connect the ACX4000 Router to a Network for Out-of-Band Management | 13
Connect the ACX4000 Gateway to a Management Console or Auxiliary Device | 14
Connect Network Interface Cables to the ACX4000 Router | 14
Step 5: Connect Power to the ACX Series Router | 16
Connect AC Power to an AC-Powered ACX4000 Router | 16
Connect DC Power to a DC-Powered ACX4000 Router | 17
Step 6: Perform Initial Software Configuration | 21
Enter Configuration Mode | 21
Configure User Accounts and Passwords | 22
Configure System Attributes | 22
1
Commit the Configuration | 23
Safety Warnings | 25
Compliance Statements for NEBS | 26
Compliance Statements for EMC Requirements | 27
Canada | 27
European Community | 27
Israel | 28
Japan | 28
United States | 28
Junos OS Documentation and Release Notes | 29
Requesting Technical Support | 29
Self-Help Online Tools and Resources | 29
Creating a Service Request with JTAC | 30
Revision History | 30
2
ACX4000 Quick Start Description
This Quick Start contains information you need to install and configure the router quickly. For complete
installation instructions, see the ACX4000 Universal Access Routers Hardware Guide at
https://www.juniper.net/documentation/.
WARNING: This Quick Start contains a summary of safety warnings in “Safety Warnings”
on page 25. For a complete list of warnings for this router, including translations, see the
ACX4000 Universal Access Routers Hardware Guide at
https://www.juniper.net/documentation/.
The ACX Universal Metro Router is principally designed for high-density access and pre-aggregation and
is environmentally hardened. The router can be used as a cell site router or pre-aggregation device for
mobile backhaul and a CPE for business or residential access.
The ACX Series routers support TDM, Gigabit Ethernet, and 10-Gigabit Ethernet interfaces. The chassis
has eight built-in Gigabit Ethernet combination copper or fiber interfaces with PoE+ (65 W) support on
two ports, two Gigabit Ethernet SFP ports, and two 10-Gigabit Ethernet SFP+ ports. The router also has
two slots for modular interface cards (MICs). For a list of the supported MICs, see the ACX4000 Universal
Metro Router MIC Guide.
The ACX Series router is a single-board router with a built-in Routing Engine and one Packet Forwarding
Engine that has two Flexible PIC Concentrators (shown in the CLI as FPC 0 and FPC 1). Because there is
no switching fabric, the single Packet Forwarding Engine takes care of packet forwarding:
•Routing Engine—Provides Layer 3 routing services and network management.
•Packet Forwarding Engine—Performs Layer 2 and Layer 3 packet switching, route lookups, and packet
forwarding.
The ACX Series router is powered by Junos OS, supporting extensive L2 and L3 features, IP/MPLS with
traffic engineering, rich network management, fault management, service monitoring and Operation,
Administration, and Maintenance (OAM) capabilities, and an open software development kit (SDK) system
that allows providers to customize and integrate operations with their own management systems. For a
list of related Junos OS documentation, see https://www.juniper.net/documentation/software/junos/.
As part of the mobile backhaul, the ACX Series router at the cell site and the MX Series router at the
aggregation layer provide comprehensive end-to-end Ethernet, MPLS, and OAM features with the one
Junos OS running on both platforms.
The compact routers are 2.5 rack units (U; that is, 4.375 in., or 11.11 cm) tall. Several routers can be stacked
in a single floor-to-ceiling rack for increased port density per unit of floor space.
3
The chassis is a rigid sheet metal structure that houses all the other router components. The chassis
measures 4.375 in. (11.11 cm) high, 9.5 in. (24.13 cm) deep, and 17.5 in. (44.5 cm) wide. The outer edges
of the mounting brackets extend the width to 19 in. (48 cm) (from the front-mounting brackets to the rear
of the chassis). The chassis installs in standard 300-mm deep (or larger) enclosed cabinets, 19-in. equipment
racks, or telco open-frame racks.
Figure 1 on page 4 shows the front panel of the ACX4000 router.
Figure 1: Front View of the ACX4000 Router
g006502
716 89101112131415 6
1
2
45
3
9—1—Alarm input and output contactsESD point
10—2—1-PPS and 10-MHz GPS input and output portsMIC slots
11—3—External reference clocking portCombination ports: Gigabit Ethernet RJ-45 ports or
Gigabit Ethernet SFP ports
12—4—Console or auxiliary portPower over Ethernet (PoE) ports
13—5—Management portFan module
14—6—System status LEDGrounding terminals
15—7—USB portsTen-Gigabit Ethernet SFP+ ports
16—8—Power suppliesGigabit Ethernet SFP ports
4
Step 1: Prepare the Site for ACX4000 Router
Installation
Prepare your site for ACX4000 installation by observing the following guidelines:
•You can install the router in a four-post rack or cabinet or an open-frame rack.
•The rack rails must be spaced widely enough to accommodate the chassis's external dimensions: 4.375 in.
(11.11 cm) high, 9.4 in. (24 cm) deep, and 17.5 in. (44 cm) wide. The outer edges of the mounting brackets
extend the width to 19.2 in. (48.7 cm).
•One person must be available to lift the router while another secures the router to the rack.
•The rack must be strong enough to support the weight of the fully configured router, up to 22.48 lb
(10.2 kg).
•For service personnel to remove and install hardware components, allow at least 2.16 in. (5.5 cm) in
front of the router.
•The rack or cabinet must have an adequate supply of cooling air.
•Ensure that the cabinet allows the chassis hot exhaust air to exit from the cabinet without recirculating
into the router.
•When installing the router in a cabinet, ensure that the bottom of the cabinet is closed and there is no
opening.
•The router must be installed into a rack that is secured to the building structure.
•Mount the router at the bottom of the rack if it is the only unit in the rack.
•When mounting the router in a partially filled rack, load the rack from the bottom to the top with the
heaviest component at the bottom of the rack.
•Install the router only in restricted areas, such as dedicated equipment rooms and equipment closets, in
accordance with Articles 110-16, 110-17, and 110-18 of the National Electrical Code, ANSI/NFPA 70.
5
Figure 2: ACX4000 Rack Clearance and Chassis Dimensions
Rear
Front 17.32"
(44 cm)
9.25"
(23.5 cm)
g006536
Front-mounting flange
17.48"
(44.4 cm)
6" (15.24 cm)
clearance required
for maintenance
.75" (2 cm)
clearance required
for free airflow
3" (7.6 cm)
3" (7.6 cm)
6
Step 2: Install the Router
IN THIS SECTION
Tools Required to Install the Router in a Rack | 7
Install the Mounting Brackets | 7
Install the ACX4000 Router in the Rack | 8
Tools Required to Install the Router in a Rack
To install the router in a rack, you need the following tools:
•Phillips (+) screwdriver, number 2
•ESD grounding wrist strap
Install the Mounting Brackets
Two mounting brackets for front mounting ship with the router (see Figure 3 on page 8).
Attach both mounting brackets to the front of the chassis:
1. Align the bracket with the three sets of mounting holes.
2. Insert the six screws at the top, middle, and bottom of the bracket and tighten each partially.
3. Tighten the four screws completely.
4. Repeat the procedure for the other bracket.
7
Figure 3: Installing the Mounting Brackets to the Front of the ACX4000 Router
g006537
Install the ACX4000 Router in the Rack
The router can be installed horizontally in a rack or cabinet.
Two people are required to install the ACX4000 router. The chassis weighs approximately 22.48 lb (10.2
kg). To install the chassis (see Figure 4 on page 9):
1. Ensure that the rack is in its permanent location and is secured to the building. Ensure that the installation
site allows adequate clearance for both airflow and maintenance.
2. Position the router in front of the rack or cabinet.
3. Have one person grasp both sides of the router, lift the router, and position it in the rack, aligning the
mounting bracket holes with the threaded holes in the rack rails. Make sure the chassis is level.
4. Have the second person install a mounting screw into each of the open mounting holes aligned with
the rack, starting from the bottom.
5. Visually inspect the alignment of the router. If the router is installed properly in the rack, all the mounting
screws on one side of the rack should be aligned with the mounting screws on the opposite side, and
the router should be level.
8
Figure 4: Install the Front-Mounted Router in the Rack
g006539
1
2
3
3—1—Mounting screwsRack
2—ACX4000 router
9
Step 3: Ground the ACX4000 Router
IN THIS SECTION
Tools Required to Ground the ACX4000 Router | 10
Connect the Grounding Cable | 10
You must ground the router before connecting power.
Tools Required to Ground the ACX4000 Router
To ground the router, you need the following tools:
•Phillips (+) screwdriver, number 2
•ESD grounding wrist strap
•Two SAE 10-32 screws and paint piercing washers (not provided)
•Grounding lug, Panduit LCD06-10-A or equivalent (not provided)
•Grounding cable, minimum 6 AWG (13.3 mm2) 90° C wire (not provided)
Connect the Grounding Cable
You ground the router by connecting a grounding cable to earth ground and then attaching it to the chassis
grounding points. To ground the router:
1. Verify that a licensed electrician has attached the cable lug provided with the router to the grounding
cable.
2. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to
an approved site ESD grounding point. See the instructions for your site.
3. Ensure that all grounding surfaces are clean and brought to a bright finish before grounding connections
are made.
10
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