Juniper ACX5048 Manuale utente

ACX5048 Universal Access Routers Quick

Start

July 2015

Part Number: 530-065486

Revision 01

This document describes how to install the Juniper Networks®ACX5048 Universal Access

Routers.

Contents ACX5048QuickStartDescription.......................................2

Step 1: Prepare the Site for ACX5048 Router Installation . . . . . . . . . . . . . . . . . . . . 3

Step2:InstalltheRouter..............................................3

Tools Required to Install the Router in a Rack . . . . . . . . . . . . . . . . . . . . . . . . . . 4

InstalltheMountingBrackets.......................................4

Install the ACX5048 Router in the Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Step3:GroundtheACX5048Router....................................6

Tools Required to Ground the ACX5048 Router . . . . . . . . . . . . . . . . . . . . . . . . 6

ConnecttheGroundingCable.......................................7

Step 4: Connect Power to the ACX5048 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Connect AC Power to an AC-Powered ACX5048 Router . . . . . . . . . . . . . . . . . 7

Connect DC Power to a DC-Powered ACX5048 Router . . . . . . . . . . . . . . . . . . 8

Step 5: Perform Initial Software Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

SafetyWarnings....................................................10

Junos OS Documentation and Release Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

RequestingTechnicalSupport.........................................12

Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

OpeningaCasewithJTAC.........................................13

RevisionHistory.....................................................13

ACX5048 Quick Start Description

This Quick Start contains information you need to install and configure the router quickly.

For complete installation instructions, see the ACX5000 Universal Access Routers

Hardware Guide at http://www.juniper.net/techpubs/.

Starting in Release 15.1X54-D20, Junos OS supports the ACX5000 Universal Access

Routers (model numbers: ACX5048-DC and ACX5048-AC). The ACX5000 routers are

high-capacity and low-cost aggregation routers best suited for Metro and Carrier Ethernet

Aggregation deployments. The ACX5000 router portfolio consists of high-performance,

fixed-configuration routers that add higher port densities, additional scalability, and

improved latency to the ACX Series. The ACX5000 routers are available in AC and DC

power variants.

The following are the key features of the ACX5048 router:

•Forty-eight 10-Gigabit Ethernet SFP+ ports that can be configured as 1-Gigabit Ethernet

ports that support 1-gigabit small form-factor pluggable transceivers (SFP)

•Six 40-Gigabit Ethernet ports with quad form-factor pluggable plus transceivers

(QSFP+)

•Aggregate throughput of up to 1.44 Tbps

•Maximum power requirement of up to 350 W (with optical SFPs)

The ACX5048 router is a top-of-rack, 10-Gigabit Ethernet router with 48 SFP+ ports and

6 QSFP+ ports. Each SFP+ port can operate as a native 10-Gbps port or as a 1-Gbps port.

Each QSFP+ port (ports 48 through 53) can operate at native 40-Gbps speed or can be

channelized into four independent ports with 10-Gbps speed. The six QSFP+ ports can

be used as either access ports or uplink ports. The ACX5048 router has a 1 U form factor

and is shipped with redundant fans and redundant power supplies. The router can be

ordered with AC or DC power supplies. Figure 1 on page 2 show the ACX5048 Universal

Access Router.

Figure 1: ACX5048 Universal Access Router

ACX5048 Universal Access Routers Quick Start

Step 1: Prepare the Site for ACX5048 Router Installation

Prepare your site for installing the ACX5048 router by observing the following guidelines:

•The ACX5048 router can be installed only in a four-post rack. Use a four-post rack

that provides bracket holes or hole patterns spaced at 1 U (1.75 in. or 4.45 cm)

increments and that meets the size and strength requirements to support the weight.

•Ensure that the spacing of rails and adjacent racks allows for proper clearance around

the router and rack.

•You need two people for installing the router—one for lifting the router and one for

securing it. The chassis weighs approximately 21.8 lb (9.8 kg).

•When planning the site for installing an ACX5048 router, you must provide sufficient

clearance around the installed chassis, as shown Figure 2 on page 3.

Figure 2: ACX5048 Chassis Clearance Requirements

FRUs

Ports

Mounting bracket

17.36"

44.1 cm

20.48"

(52.02 cm)

Clearance required

for maintenance

Clearance required

for maintenance

g050277

19"

(48.2 cm)

24 " ( 6 0 .9 cm) 24 " ( 6 0 .9 cm)

•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.

•Install the router only in 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.

Step 2: Install the Router

•Tools Required to Install the Router in a Rack on page 4

•Install the Mounting Brackets on page 4

•Install the ACX5048 Router in the Rack on page 5

Step 1: Prepare the Site for ACX5048 Router Installation

Tools Required to Install the Router in a Rack

To install a Juniper Networks ACX5048 router, you need:

•Two people—one for lifting and one for securing the router to the rack

•Electrostatic discharge (ESD) grounding strap (not provided)

•One pair of side-mounting rails (provided)

•One pair of rear-mounting blades (provided)

•Twelve screws to secure the mounting-rails and mounting-blades to the chassis

(provided)

•Eight screws to secure the chassis and mounting-blades to the rack (not provided)

•Screwdriver appropriate for your rack mounting screws (not provided)

•Two power cords with plugs appropriate for your geographical location (provided)

•RJ-45 cable and RJ-45 to DB-9 serial port adapter (provided)

•Management host, such as a PC laptop, with a serial port (not provided)

•(Optional) Grounding cable kit with bracket, lug, and three nuts with integrated washers.

To install the grounding cable, see the ACX5048 router documentation at

http://www.juniper.net/techpubs/.

Install the Mounting Brackets

The ACX5048 router can only be mounted in four-post rack configuration.

To mount the router in a 19-inch rack:

1. Attach the ESD grounding strap to your bare wrist and to a site ESD point.

NOTE: If you are mounting multiple units in the rack, mount the heaviest

unit at the bottom and mount the others from bottom to top in order of

decreasing weight. The router weighs approximately 21.8 lb (9.8 kg).

Installing the ACX5048 router in a rack or cabinet requires two people to

lift the router and secure it to the rack.

2. Place the rack in its permanent location, allowing adequate clearance for airflow and

maintenance, and secure it to the building structure.

3. Determine whether the end with field-replaceable units (FRUs) or the ports are to be

placed at the front of the rack. Position the router in such a manner that the AIR OUT

labels on the router are next to the hot aisle.

4. Align the holes in the side-mounting rail with the holes on the side of the router chassis.

See Figure 3 on page 5.

ACX5048 Universal Access Routers Quick Start

Figure 3: Attaching Mounting-Rails to the ACX5048 Router

g050260

5. Attach the side-mounting rail to the router by using six mounting screws. Use cage

nuts and washers if your rack requires them.

6. Repeat Step 4 and Step 5 on the opposite side of the router.

Install the ACX5048 Router in the Rack

The router can be installed horizontally in a rack or cabinet.

Two people are required to install the ACX5048 router. The chassis weighs approximately

21.8 lb (9.8 kg). To install the chassis:

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 it, and position it in the rack so that

the front bracket is aligned with the rack holes.

4. Have a second person secure the front of the router to the rack by using four mounting

screws (and cage nuts and washers if your rack requires them). Tighten the screws.

5. Continue to support the router while sliding the rear mounting-blades into the channel

of the side mounting-rails and securing the blades to the rack. Use the four mounting

screws (and cage nuts and washers if your rack requires them) to attach each blade

to the rack. Tighten the screws.

6. Ensure that the router chassis is level by verifying that all the screws on the front of

the rack are aligned with the screws at the back of the rack. See Figure 4 on page 6.

Install the ACX5048 Router in the Rack

Figure 4: Sliding the Mounting-Blades into the Mounting-Rails

3—1— Router chassisRear mounting-blades

2—Side mounting-rails

Step 3: Ground the ACX5048 Router

You must ground the router before connecting power. The grounding point location for

the ACX5048 routers is the same for both the AC and the DC variant.

•Tools Required to Ground the ACX5048 Router on page 6

•Connect the Grounding Cable on page 7

Tools Required to Ground the ACX5048 Router

Ensure that you have the following parts and tools available:

•Protective earthing terminal bracket—This bracket attaches to the ACX5048 router

chassis through the left front mounting bracket, providing a protective earthing terminal

for the router.

•Grounding cable for your ACX5048 router—The grounding cable must be 14 AWG

(2 mm²), minimum 90° C wire, or as permitted by the local code.

•Grounding lug for your grounding cable—The grounding lug required is a Panduit

LCD10-10A-L or equivalent.

•Two M4 hex nuts with integrated washers—Two nuts and washers are used to secure

the grounding lug to the protective earthing terminal bracket. Four nuts are provided

in the accessory kit.

•7-mm wrench or socket with driver to attach the two nuts.

ACX5048 Universal Access Routers Quick Start

Connect the Grounding Cable

To connect earth ground to an ACX5048 router:

1. Secure the provided protective earthing terminal bracket through the ACX5048 router’s

mounting bracket to the chassis with the nut provided. The posts on the protective

earthing terminal bracket must point to the left. See Figure 5 on page 7.

Figure 5: Connecting a Grounding Cable to a 1 U ACX5048 Router

QFX5100-48S

RUNNINGJUN O S

2. Connect one end of the grounding cable to a proper earth ground, such as the rack in

which the router is mounted.

3. Place the grounding lug attached to the grounding cable over the protective earthing

terminal on the protective earthing terminal bracket.

4. Secure the grounding lug to the protective earthing terminal with two nuts.

5. Dress the grounding cable and ensure that it does not touch or block access to other

router components and that it does not drape where people could trip over it.

Step 4: Connect Power to the ACX5048 Router

Depending on your configuration, your router uses either AC or DC power supplies. Perform

the appropriate procedures for each power supply in your router.

The power supply in an ACX5048 router is a hot-removable and hot-insertable

field-replaceable unit (FRU). You can remove and replace it without powering off the

router or disrupting router functions.

WARNING: You must ground the router before connecting the power cables.

•Connect AC Power to an AC-Powered ACX5048 Router on page 7

•Connect DC Power to a DC-Powered ACX5048 Router on page 8

Connect AC Power to an AC-Powered ACX5048 Router

The ACX5048 router is supplied with two factory-installed power supplies.

Connect the Grounding Cable

To connect power to an AC-powered router:

1. Attach the ESD grounding strap to your bare wrist and to a site ESD point.

2. If the AC power source outlet has a power router, set it to the off (0) position.

3. Insert the coupler end of the power cord into the AC power cord inlet on the AC power

supply faceplate.

4. Push the power cord retainer onto the power cord.

5. Insert the power cord plug into the power source outlet.

6. If the AC power source outlet has a power router, set it to the on (|) position.

7. Verify that the AC LEDs are lit green and on steadily.

Connect DC Power to a DC-Powered ACX5048 Router

To connect power to a DC-powered router:

1. Attach the grounding strap to your bare wrist and to a site ESD point.

2. Verify that the DC power cables are correctly labeled before making connections to

the power supply. In a typical power distribution scheme where the return is connected

to chassis ground at the battery plant, you can use a multimeter to verify the resistance

of the –48V and RTN DC cables to chassis ground:

•The cable with very low resistance (indicating a closed circuit) to chassis ground is

positive (+) and is installed on the V+ (return) DC power input terminal.

•The cable with very high resistance (indicating an open circuit) to chassis ground

is negative (–) and is installed on the V– (input) DC power input terminal.

3. Ensure that the input circuit breaker is open so that the voltage across the DC power

source cable leads is 0 V and that the cable leads do not become active while you

are connecting DC power.

The V+ terminals are referred to as +RTN, and V– terminals are referred to as –48 V.

4. Ensure that the power supplies are fully inserted in the chassis.

5. Remove the terminal block cover. The terminal block cover is a piece of clear plastic

that snaps into place over the terminal block.

6. Remove the screws on the terminals by using the screwdriver. Save the screws.

7. Connect each power supply to the power source. Secure power source cables to the

power supplies by screwing the ring lugs attached to the cables to the appropriate

terminals by using the screw from the terminals.

The DC power supply has four, terminals labeled V+, V+, V–, and V–, for connecting

DC power source cables labeled positive (+) and negative (–). The V+ terminals are

shunted internally together, as are the V– terminals. The same polarity terminal can

be wired together from the same source to provide an additional current path in a

higher power chassis. Do not connect the terminals to different sources. For example,

connect –48 V from DC source feed A to the input terminals of one power supply and

connect –48 V from feed B to the input terminals of the second power supply on the

ACX5048 Universal Access Routers Quick Start

other side of the chassis. This configuration provides the commonly deployed A/B

feed redundancy for the system.

To connect the power supply to the power source:

a. Secure the ring lug of the positive (+) DC power source cable to the V+ terminal

on the DC power supply.

b. Secure the ring lug of the negative (–) DC power source cable to the V– terminal

on the DC power supply.

c. Tighten the screws on the power supply terminals until they are snug by using the

screwdriver. Do not overtighten—apply between 5 lb-in (0.56 Nm) and 6 lb-in

(0.68 Nm) of torque to the screws.

8. Replace the terminal block cover.

9. Close the input circuit breaker.

10. Verify that the DC LEDs are lit green and on steadily.

Step 5: Perform Initial Software Configuration

This procedure connects the router to the network but does not enable it to forward

traffic. For complete information about configuring the router to forward traffic, including

examples, see the Junos OS configuration guides.

You must perform the initial configuration of the router through the console port. Before

you begin, set the following parameter values in the console server or PC:

•Baud Rate—9600

•Flow Control—None

•Data—8

•Parity—None

•Stop Bits—1

•DCD State—Disregard

To connect and configure the router from the console:

1. Connect the console port to a laptop or PC by using the provided RJ-45 cable and

RJ-45 to DB-9 serial port adapter. The console (CON) port is located on the

management panel of the router.

2. Log in as root. There is no password. If the software boots before you connect to the

console port, you might need to press the Enter key for the prompt to appear.

3. Start the command-line interface (CLI).

root@% cli

4. Enter configuration mode.

Step 5: Perform Initial Software Configuration

root> configure

5. Add a password to the root administration user account.

[edit]

root@# set system root-authentication plain-text-password

New password: password

Retype new password: password

6. (Optional) Configure the name of the router. If the name includes spaces, enclose the

name in quotation marks (“ ”).

[edit]

root@# set system host-name host-name

7. Configure the default gateway.

[edit]

root@# set routing-options static route default next-hop address

8. Configure the IP address and prefix length for the router management interface.

[edit]

root@# set interfaces em0 unit 0 family inet address address/prefix-length

NOTE: The management ports, em0 (C0) and em1 (C1), are found on the

FRU end of the ACX5048 router.

9. (Optional) Configure the static routes to remote prefixes with access to the

management port.

[edit]

root@# set routing-options static route remote-prefix next-hop destination-ip retain

no-readvertise

10. Enable Telnet service.

[edit]

root@# set system services telnet

11. Commit the configuration to activate it on the router.

[edit]

root@# commit

Safety Warnings

WARNING: This is a summary of safety warnings. For a complete list of

warnings, including translations, see the ACX5000 router documentation at

http://www.juniper.net/techpubs/.

WARNING: Failure to observe these safety warnings can result in personal

injury or death.

ACX5048 Universal Access Routers Quick Start

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