Huawei OptiX RTN PI-DC B20 Guida all'installazione

OptiX RTN PI-DC B20

Product Overview and Installation Guide

Issue: 07

Date: 2018-10-30

Huawei Technologies Co., Ltd.

Address: Huawei Industrial Base

Bantian, Longgang

Shenzhen 518129

People's Republic of China

Website: http://www.huawei.com

Email: support@huawei.com

No part of this document may be reproduced or transmitted in any form or by any means without prior

written consent of Huawei Technologies Co., Ltd.

Safety Precautions

•Customer equipment connected to the GE electrical ports of outdoor PIs must have surge protection

capabilities. If customer equipment does not have surge protection capabilities, PIs must be installed indoors.

•Do not touch the connector terminals or pins of P&E cables or DC power cables. Instead, hold the insulation

parts of the cables.

•Prevent conductors or hands from touching the terminals or pins in the P&E ports and DC input/output ports on

PIs.

•Before installing a DC input power cable on a PI, identify the positive and negative ends of the cable. Ensure

that the cable is connected correctly. Install a circuit breaker at the negative end of the external power supply

device to prevent circuit loops from damaging the power cable and PI.

•Before installing a DC output power cable on a PI, identify the positive and negative ends of the cable. Ensure

that the cable is connected correctly. Do not connect the output port of the external power supply device to the

DC output port of the PI.

•Do not connect the output port of the external power supply device to a P&E port of the PI.

•Do not install any cables when devices are powered on.

•When making and installing cables, avoid dropping any metal scraps or other miscellaneous objects into a PI.

•After setting DIP switches, switch off the power supply. After waiting for 6 seconds, switch on the power supply

again.

HUAWEI TECHNOLOGIES CO., LTD .

AAppearance and Ports

The RTN PI-DC B20 is a full-outdoor PI with high power. It uses DC power input and transmits GE electrical signals and -48 V power signals to the full-outdoor RTN 300 equipment through an

outdoor network cable.

Product Overview

CIndicator Status Description

Indicator Status Meaning

POWER Steady green Power is being supplied.

Off No power is supplied.

DC OUT Steady green The PI uses DC power output,

and the output is normal.

Off The DC output port does not

output any power.

P&E OUT

Steady green The PI uses P&E output, and the

output is normal.

Blinks green In PSE-PD mode, the PI is in the

handshake state.

Off

The P&E port does not output any

power.

BPort Description

The pin assignments for Ethernet service signals in the ports GE1 and GE2 are consistent with those in

the ports P&E1 and P&E2. These ports all support the MDI, MDI-X, and auto-MDI/MDI-X modes.

The P&E1 OUT and P&E2 OUT indicators inside a PI indicate the output status of the corresponding

ports. Their meanings are the same as the meaning of the P&E OUT indicator on the side of the PI.

Pin Description

1 BGND

2 BGND

3 -48 V power signal

4 BGND

5 BGND

6 -48 V power signal

7 -48 V power signal

8 -48 V power signal

Whether the P&E ports use MDI or MDI-X mode to transmit Ethernet service signals does not affect the

pin assignments for power signals.

Pin assignments for power signals in the P&E ports

Maintenance

compartment

opened

Power cable

stripping indicator

Port

area

P&E port

indicators

DIP switches for

setting the power

output mode

DIP switches for

setting the number

of P&E outputs

DC input port DIP switches for

setting the P&E

mode

P&E ports

GE ports

DC output port

Side view

PGND ground point

Principles and Application Scenarios

Product Overview

The RTN PI-DC B20 receives one channel of DC power signals and two channels of GE service signals.

After the PI receives DC power signals, the DC-DC processing module increases the voltage to -51.0 V.

If DC output is required, set the corresponding DIP switch to select the DC output mode. Then, the PI outputs the DC power

signals with the voltage increased to the DC output port.

If P&E output is required, set the corresponding DIP switch to select the P&E output mode. Then, the signal coupling module

couples DC power signals and GE service signals into P&E signals and outputs the P&E signals to the P&E port.

The frequencies of DC power signals and GE service signals do not interfere with each other. Therefore, the two types of

signals can be transmitted over the same twisted pair.

DC-DC

processing

mode

DC IN DC OUT

Signal

coupling

module

GE1 P&E1

Signal

coupling

module

GE2 P&E2

DC-PI working principles

DC-PI

UNI-

side

device

powered

device

powered

device

UNI-

side

device

≤ 100 m

•The PI only couples GE signals and power signals, but does not regenerate or strengthen GE signals. Therefore, the

network cable between the UNI-side device and the powered device must not be longer than 100 m.

•The maximum distance between the PI and the powered device varies depending on the power of the powered device.

For details, see technical specifications.

powered

device

Maximum

distance between

the PI and

powered device

Maximum

distance between

the PI and

powered device

CAUTION

BApplication Scenarios

APrinciples

The RTN PI-DC B20 can supply power to OptiX RTN 300 full-outdoor microwave equipment series. The power supply

mode of the PI varies according to powered device type.

Mapping between powered device types and power supply modes

Device Type Version PI Support

(Yes/No) Power Supply Mode

RTN 310 (Integrated)

SHXA2 board

Yes Turn the DIP switch to the Force mode.

SXA3 board

Yes

1. Turn the DIP switch to the P&E1 and P&E2 Out mode.

Turn the DIP switch to the PSE-PD mode.

RTN 310

(Split) Yes

1. Turn the DIP switch to the P&E1 and P&E2 Out mode.

2. Turn the DIP switch to the PSE

-PD mode.

RTN 320 (Integrated)

Yes

1. Turn the DIP switch to the P&E1 Out Only mode (only

supports P&E1 port power supply).

2. Turn the DIP switch to the Force mode.

RTN 320 (Split)

No Support for DC output only

RTN 320F

Yes Support for DC output only

RTN 360 (V

-band) Yes

1. Turn the DIP switch to the P&E1 and P&E2 Out mode.

2. Turn the DIP switch to the PSE

-PD mode.

RTN 380 (E

-band)

SHUF3 board

Yes Turn the DIP switch to the Force mode.

MXUF4 board

Yes

1. Turn the DIP switch to the P&E1 and P&E2 Out mode.

2. Turn the DIP switch to the PSE

-PD mode.

RTN 380e

Yes

1. Turn the DIP switch to the P&E1 and P&E2 Out mode.

2. Turn the DIP switch to the PSE

-PD mode.

RTN 380A

Yes

1. Turn the DIP switch to the P&E1 and P&E2 Out mode.

2. Turn the DIP switch to the PSE

-PD mode.

RTN 380AX

Yes

1. Turn the DIP switch to the P&E1 Out Only mode (only

supports P&E1 port power supply).

2. Turn the DIP switch to the Force mode.

RTN 380H

MXUI5 board

Yes

1. Turn the DIP switch to the P&E1 Out Only mode (only

supports P&E1 port power supply).

2. Turn the DIP switch to the Force mode.

MXXI5 board

Yes

1. Turn the DIP switch to the P&E1 Out Only mode (only

supports P&E1 port power supply).

2. Turn the DIP switch to the Force mode.

Technical Specifications

Product Overview

APower Supply

Item Description

Input voltage DC input, with the voltage ranging from –38.4 V to –57.6 V

Input power cable diameter 2.5 mm2

Output voltage mode Set through DIP switches:

•DC output

•P&E output

Output voltage -51.0 V

DC output

mode

Number of power

output channels 1

Output power DC output power ≤153 W

Distance between the

PI and powered

device

Shorter than or equal to 300 m when 2.5 mm2cables are used and

load power consumption is 105 W or less or when 4 mm2cables

are used and load power consumption is 126 W or less

P&E output

mode

Number of power

output channels Set through DIP switches:

•1

•2

P&E mode Set through DIP switches:

•PSE-PD mode

•Force mode

Output power •P&E (one channel) output power ≤150 W

•P&E (two channels) output power of each channel ≤75 W

Distance between the

PI and powered

device

Shorter than or equal to 100 m when there is one output channel

and load power consumption is 100 W or less or when there are

two output channels and the load power consumption of each

channel is 62 W or less

Item Description

Electromagnetic compatibility

•Passes CE certification.

•Complies with EN55022 Class B.

•Complies with IEC61000-4-4.

•Complies with IEC61000-4-6.

Safety

•Passes CE certification.

•Complies with EN60950-22.

•Complies with EN60950-1.

•Complies with IEC60950-22.

•Complies with IEC60950-1.

Item Description

Major reference standards

Operation Complies with EN 300 019-1-4 (Class

4.1).

Transportation Complies with EN 300 019-1-2 (Class

2.3).

Storage Complies with EN 300 019-1-1 (Class

1.2).

Operating temperature -33°C to 55°C (wind speed: 0.5 m/s)

Relative humidity 5% to 100%

Earthquake resistance •Complies with GR-63-CORE Zone4.

•Complies with YD5083.

•Complies with ETS EN300019-1-4[1].

Protection class IP65

Item Description

Dimensions (H x W x D) 250 mm x 180 mm x 52 mm

Weight 3 kg

BDimensions and Weight

CElectromagnetic Compatibility and Safety Compliance

DDeployment Environment

Terminating a DC Output Power Cable with a Connector

10/11 >>

Strip a power cable based on the stripping

indicator.

1Use a screwdriver to poke the cable locking

latches out.

For the stripping length, see the stripping indicator on the PI.

NOTE

Installation Guide

Push the cable locking latches on both sides

back. Slightly pull the cable to check whether

it is connected securely.

If the wires slide outward or are exposed outside the

holes, remove the cable and cut the wires. Then strip

and connect the cable again.

A line must be inserted in the center of a hole.

A line must be perpendicular to a hole.

A line must be inserted in the

center of a hole.

CAUTION

Insert the power cable.

Hole 2 (-): Insert a blue -48 V line into it.

Hole 1 (+): Insert a brown (black) 0 V

ground line into it.

Ensure that the positive and negative lines are correctly connected.

Red cable

locking latch

Blue cable

locking latch

Avoid dropping any miscellaneous objects (especially

metal scraps) in the maintenance compartment. Clean

up them immediately if any.

CAUTION

12 mm 10 mm 10 mm

Terminating a Ground Cable with an OT Terminal

Strip a ground cable.

A: OT terminal

B: ground cable

C: exposed cable conductor

L1: length of the exposed cable

When you are skillful, you can determine L1

based on the length of the OT terminal lug.

When striping off the insulation layer of the

ground cable, take care not to damage or nick

the metal conductor of the cable.

Fit the exposed cable into the

OT terminal.

Ensure that the cable conductor does not

protrude more than 2 mm (L2) from the OT

terminal.

Crimp the OT terminal lug.

The impression left from crimping the lug may

differ depending on the crimping tool used.

Mapping between the cross-sectional area of a cable

conductor (C) and the length of an exposed cable (L1)

Cross-sectional

area of C (mm2) L1 (mm)

1.5

2.5

8Crimp the OT

terminal lug.

NOTE

CAUTION

CAUTION NOTE

123

Installation Guide

Terminating a DC Input Power Cable with a Connector

Stripping a Power Cable

Use a pair of diagonal pliers to trim off the -48 V power line.

8 mm

Cable core

Strip the 0 V ground line in the same way.

8 mm

Cable core

For the stripping length, see the stripping

indicator on the PI.

NOTE

2 3

Installation Guide

Installing Cord End Terminals

12 mm 10 mm 8 mm

Strip a power cable based on the stripping indicator.

1Install cord end terminals onto the cable cores. 2

After crimping a cord end terminal, check whether the cable core is exposed

outside the terminal. If the cable core is exposed, recrimp the terminal.

After the power switch is turned on, sparks may be generated at exposed cable

cores when an inappropriate operation is performed.

CAUTION

Crimp all cord

end terminals.

Terminating a DC Input Power Cable with a Connector

Connecting the Power Cable to the Connector

Insert the blue power line of the cable into a power cable

connector.

Power Cable Connector Terminal Line

--48 V power line (blue)

+0 V ground line (brown/black)

Fasten the line. Pull the line slightly. If the line is loose, fasten it again.

After fastening a line, check whether the cable core is exposed outside the connector terminal. If the cable core is

exposed, strip the cable again.

After the power switch is turned on, sparks may be generated at exposed cable cores when an inappropriate

operation is performed.

CAUTION

Pull the line slightly.

Repeat steps 1-3 to connect the ground line to the connector.

All the lines are fastened, and no

cable core is exposed outside the

connector.

Installation Guide

Terminating an Outdoor Network Cable with Shielded RJ45 Connectors

16/17 >>

Prepare the following tools.

RJ45 connector crimping tool

Diagonal pliers

Prepare an outdoor network cable

and shielded RJ45 connectors.

1. Core wire

2. Aluminum foil

3. Braid shield

4. Outer jacket

5. Shielded RJ45 connector

Strip the cable.

Length of the stripped

cable: 20 mm Strip off the braid shield and cut

the aluminum foil and unwanted

materials.

When stripping off the outer jacket, take care not to damage the braid shield

or aluminum foil.

Remove the outer jacket.

Arrange the core wires according to the pin assignments and cut them

neatly (exposing a length of 12 mm).

12 mm

Cut the core wires neatly.

Length of each exposed core wire: 12 mm

8: brown

7: white and brown

6: green

5: white and blue

4: blue

3: white and green

2: orange

1: white and orange

Insert the arranged core wires into an RJ45 connector according to the pin

assignments and crimp the connector with the crimping tool.

Pin assignments of an RJ45 connector

Crimp the RJ45

connector.

Cut off the exposed braid shield and materials

along the edge of the connector.

Cut off the exposed braid

shield and materials.

Outdoor network cable

Terminate a connector on the other end of the network cable, and then test the cable

for continuity using a network cable tester.

Optional: Use a multimeter to measure the impedance of core wires. The impedance

difference between core wires must be less than 5%.

•Before crimping, ensure that the core wires are fully inserted in the RJ45

connector.

•Use the crimping tool to crimp the connector with force.

•After crimping, verify that the connector has been crimped tightly.

Open the cover of the PI.

Loosen the screws on the cover of the PI to open

the cover.

Remove waterproof blocks from the cable

holes through which cables will be routed.

2Set DIP switches according to the plan.

Install a ground cable.

Connect the OT terminal of the ground

cable to the ground screw.

After installing the ground cable, apply rust inhibitor to the ground

point and around the ground screw.

CAUTION

Ground cable

Ground clip base.

Before the installation, scratch off the antirust paint and oxide layer

on the ground point. After finishing the installation, treat the ground

point with antirust and waterproof materials.

Installation Guide

Installing a PI

1The PI is used for DC power

supply onsite.

2The P&E1 port of the PI is used

for power over ethernet supply

onsite.

3Both the P&E1 and P&E2 port

of the PI is used for power over

ethernet supply onsite.

If DC OUT mode will be used, turn DIP

switch 1 for setting the power output

mode upwards.

If PSE-PD mode will

be used, turn DIP

switch 1 for setting

the power over

ethernet mode

downwards.

If force mode will be

used, turn DIP switch

1 for setting the

power over ethernet

mode upwards.

If PSE-PD mode will

be used, turn DIP

switches 1 and 2 for

setting the power

over ethernet mode

downwards.

If force mode will be

used, turn DIP switches

1 and 2 for setting the

power over ethernet

mode upwards.

Waterproof blocks

If P&E OUT mode

will be used, turn DIP

switch 1 for setting

the power output

mode downwards.

If P&E1 OUT only

mode will be used,

turn DIP switch 2 for

setting the number of

P&E outputs

upwards.

Turn DIP switch 1 for

setting the power

output mode

downwards.

Turn DIP switch 2 for

setting the number of

P&E outputs

downwards.

NOTE

In normal conditions, you must first select the power supply mode and then power on. If you

need to change the power supply mode after power-on, you need to restart the PI.

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