Huawei ESpace U1900 Series Manuale utente

eSpace U1910&U1911&U1930&U1960&U1981

V200R003

Quick Installation Guide

Issue: 01

Date: 2015-02-01

The eSpace U1900 series are switches used in Huawei IP Telephony (IPT)

solutions and provide VoIP solutions that meet requirements of different

enterprises. This document describes how to quickly complete hardware

installation for the U1910&U1911&U1930&U1960&U1981.

Fan box

Board

Power supply

Grounding hole

Mount angle

Device model label

U1910

Board model label

Ejector lever

Screw

Indicator

Device Appearance

CVP*

ASI

OSU

MTU

BTU

SCU*

U1930&U1960

U1981

U1911

Note: Boards marked with *are main

control boards. Slots marked with *are

slots for installing main control boards.

Product Overview

Fan box

-- -- Power

supply 1

Fan box

Board Appearance

Slot Distribution

Power

supply 2

Power

supply 1

Power

supply 2

Power

supply 1

Power

supply 2

Power

supply

U1910&U1930

U1911&U1960

&U1981

Boards for Device Models

！DANGER

Do not install or remove a power cable with power on. Transient contact between the

core of the power cable and the conductor might generate electric arc or spark, which

can cause re or damage to the human body. Before installing or removing the power

cable, turn off the power. During the device power-on, do not wear the ESD wrist strap.

This helps prevent electric shock.

CAUTION

Before touching the device, or holding the boards, wear the antistatic gloves or the

antistatic wrist strap to prevent the electrostatic discharge of the human body from

damaging the sensitive components. Ensure that the other end of the antistatic wrist

strap is well grounded. Before installing devices, ensure that the cabinet is effectively

grounded.

！

Precautions

Installation Procedure

Install the subrack

Prepare for the

installation

Unpack and check the

materials Install boards

Connect

cables

Power on and

check the device

Prepare installation tools

Install boards

Adjust components on

boards

View the overall cabling

diagram

Connect the PGND

cables

Connect the network

cables

Connect the E1/T1 trunk

cables

Connect the high-

density user cables

Connect the power

cables

Bundle cables

Power on the device

Check the indicators

the rst time

↑ Keep a 1U space from the adjacent

device to ensure heat dissipation.

Guide rail

Broad

brim

1 Preparation

Unpacking Inspection

Check the received materials according to the packing list and ensure that all

the materials specied in the contract arrive at the site. After the inspection, sign

on the packing list with the customer and keep a backup of the packing list.

Preparing Installation Tools

• Cross screwdriver (M3–M6) • Flat-head screwdriver (M3–M6)

• Mount bar • Diagonal pliers

2 Installing the Subrack

Select a narrow brim of the cabinet

mounting bar as the baseline and

use M4 screws to install the guide

rail. The lower edge of the guide rail

must be ush with the baseline.

Install floating nuts in the first

and sixth square holes above the

baseline. (Select the first and third

square holes when installing the

U1911.)

Adjust the mounting ears (folded

by default) at the two sides of the

subrack based on the cabinet status

to prevent the situation that the

cabinet door cannot be closed after

cables are connected.

Put the subrack on the guide rails

and push it into the cabinet. Use

four M6 screws and the oating nuts

on the mounting bar to fasten the

device.

Narrow brim

(baseline) ↓ Keep a 1U space from the adjacent

device to ensure heat dissipation.

Packing List (Major Device)

xxxxx xxxxx xxxxx xxxxx

Parts No. Model Description Ordered Delivered

3 Installing a Board

Installing a Board

Loosen the screws on the ller panel

and use the at-head screwdriver to

remove the ller panel.

Adjusting Components on the Board

If you want to use the T1 trunk, you must remove the jumper caps on the CVP

board (U1910&U1930) or MTU board (U1911&U1960&U1981).

Insert the board into the empty slot,

press the ejector lever into place,

and fasten the captive screws.

SD0 SD1

If you want to use the built-in VMS service (U1911&U1960&U1981) or

customize the system announcements, ensure that you have installed an SD

card in slot 0 of the MTU board.

4 Connecting Cables

Hardware Device Networking

Distribution frame

IP Phone POTS POTS

IAD

U1900

Ethernet switch

Power socket

Ethernet cable

Ground bar

High-density user

cable

PGND cable

E1/T1 trunk cable

Power cable

PSTN or traditional

PBX

PSTN

Operation terminal

Connect and fasten one end of the E1/T1 trunk cable to the E1/T1 port on the

CVP or MTU board, and connect the other end to the E1/T trunk cable of the

peer device directly or through the distribution frame. Connection rules:

• E1 cable: For the same link number X, connect local TX to peer RX and local

RX to peer TX.

• T1 cable: For the same link number X, connect local RX/TX to peer RX/TX.

Connecting the PGND Cables

Connecting the Network Cables

Connecting the E1/T1 Trunk Cables

Use the PGND cables to connect

the device to the ground bar or

ground point of the grounded

cabinet. A PGND cable must

be as short as possible and

generally cannot exceed 45 cm.

CAUTION

Ensure that the device is effectively connected to the

nearest ground to avoid noises in voice calls.

！

Use network cables to connect the

following ports to the switch:

• CVP: FE1 and FE2

• SCU: GE0 and GE1

The adaptive network ports support both

straight-through and crossover cables. To

ensure sufcient network bandwidth, use

Cat 5e GE network cables.

• If there are active and standby SCU boards (U1981), connect network cables

to both SCU boards.

• On the BTU board (U1911&U1960&U1981), use a straight-through network

cable to connect the BRI S/T port to the peer NT device.

*The E1 trunk cable delivered with the device has BNC connectors assembled.If

the peer end uses SMB connectors, assemble corresponding SMB connectors

by referring to appendix a.

RX/TX RX/TX

Connection Mode Local End Connection Point Peer End

E1 (75-ohm, BNC)

Digital trunk port

E1 (75-ohm, SMB*)

E1 (75-ohm to 120-

ohm conversion)

T1 (100-ohm)

Use the delivered DC or AC power cable to connect the device to a satisfying

power supply.

AC power cable DC power cable

Voltage: 100 V AC to 240 V AC

Frequency: 50/60 Hz Voltage: –38.4 V DC to –60 V DC

Connecting the High-Density User Cables

Connecting the Power Cables

Bundling Cables

Connect and fasten one end of the high-density user cable to the FXS/FXO

port on the ASI or OSU board, and connect the other end to a POTS phone or

an FXS port of the upper-level ofce directly or through the distribution frame.

The high-density user cable delivered with the device has no RJ11 connector

assembled. See appendix d to assemble an RJ11 connector if you need one.

Connected Board Ports Provided Peer End

ASI FXS (32 in total) POTS phone

OSU FXS (12 in total) POTS phone

FXO (12 in total) FXS port of the upper-level ofce

• The power cables, signal cables,

and PGND cables must be routed

separately. They must be spaced apart

at least 30 mm. Do not bundle or mix

them together.

• Use one cable tie every 200 mm. The

cable strap is clearly cut, the cable ties

point to the same direction, and there

is no exposed thorn.

• Do not lay out cables on the

dissipation holes; otherwise, heat

dissipation of the device and the

service life of cables are affected.

• The cables are arranged straightly

and smoothly. Redundant length is

reserved.

5 Powering on and Checking the Device

Powering On the Device

Connect the device to an external power supply and turn the switch on the panel

of the power module to ON. When the device is powered on, it takes about ve

minutes to start. After the device starts, the fan sound becomes low.

Checking the Indicators

The following table lists the normal status of each indicator. If any exception

occurs, contact technical support engineers.

Indicator Name Color Normal Status

PWR Green On

RUN Green Blinking

ALM Red Off

LOS*Yellow Off

RFA*Yellow Off

* The LOS and RFA indicators on CVP and MTU boards indicate physical

connection status of each E1/T1 trunk. If they are off, the connection is proper.

Otherwise, check the cable connector and the peer device. The CVP board

(U1930) allows two E1/T1 trunks to share the same pair of indicators. The

indicators are off only when the both E1/T1 trunks are connected properly.

Follow-up Procedure

Visit http://support.huawei.com/enterprise, download the eSpace U1900 Unied

Gateway Product Documentation or eSpace UC IPT Quick Conguration Guide,

also use a mobile device to scan the following QR code to download and read

related electronic documents.

eSpace UC IPT Quick Conguration Guide

Logging In to the Device for the First Time

Connect a PC (IP address: 192.168.1.x except 192.168.1.17) to the device

through the switch, and open https://192.168.1.17/login_admin.asp in a browser.

If the message "There is a problem with this websites's security certificate."

is displayed, click Continue to this website (not recommended). Use the

default administrator account and password (admin/Change_Me) to log in to

the device and congure it.

Crimping sleeve

Connector

Tube

External

conductor

Insulation

layer

Internal

conductor

AppendixesAssembling the Signal Cable Connectors

Assembling the SMB/BNC Connector (for 75-ohm E1 Cables)

The SMB and BNC connectors are used by 75-ohm un-balanced E1 trunk cables.

Depending on the device model, either of the following E1 trunk cables with a BNC male

connector assembled is delivered with the device. If an SMB connector is required based

on the peer connector, you can cut off the existing BNC connector and reassemble a

corresponding SMB connector.

1E1 trunk cable (DB9

connector, applicable to

the U1911&U1960&U1981)

4E1 trunk cable (DB26

connector, applicable to

the U1910&U1930)

This section uses a straight SMB female connector as an example to describe how to

assemble the SMB/BNC connector with the coaxial cable.

Cut off the existing connector and strip

off the jacket of the coaxial cable.

L1: 5–6 mm

L2: 7–9 mm

L3: 10–12 mm

Lead the heat shrink tube and crimping

sleeve through the coaxial cable. Unfold the

external conductor of the coaxial cable to a

trumpet shap.

Insert the insulation and internal

conductor into the connector plug

of the coaxial cable. The external

conductor of the coaxial cable partly

wraps the external conductor of the

connector.

Use a welding tool to weld

the internal conductor of

the coaxial cable with the

internal conductor of the

coaxial cable connector.

Push the crimping sleeve toward the

connector. Crimp the external conductor

of the coaxial cable tight. Use a crimping

plier to tighten the crimping sleeve and

coaxial cable connector.

L2L2

L3L3

Solder

point

Use a heat gun to blow the heat shrink tube so that

the tube can tightly clad the crimping sleeve.

2E1 trunk cable (DB9

connector, applicable to

the U1911&U1960&U1981)

4T1 trunk cable (DB26

connector, applicable to

the U1910&U1930)

Assembling the RJ48C Connector (for 100-ohm T1 Cables)

The RJ48C connector is used by 100-ohm balanced T1 trunk cables. Depending on the

device model, either of the following T1 trunk cables with a RJ48C connector assembled

is delivered with the device.

If you need to reassemble a RJ48C connector, strip off the jacket of the twisted-pair

cable, sort the core wires according to the pin assignment, insert the sorted core wires

into the RJ48C connector, and use a crimping tool to crimp the connector. If you do not

have a RJ48C connector, use a RJ45 connector instead.

1T1 trunk cable (DB9

connector, applicable to the

U1911&U1960&U1981)

4E1 trunk cable pin assignment

DB26 Pin Foot Signal Port

1/2 RX0+/RX0- R0

19/20 TX0+/TX0- T0

3/4 RX1+/RX1- R1

21/22 TX1+/TX1- T1

5/6 RX2+/RX2- R2

23/24 TX2+/TX2- T2

7/8 RX3+/RX3- R3

25/26 TX3+/TX3- T3

4T1 trunk cable pin assignment

DB26 Pin

Foot Signal Wire Pair RJ48C Pin

Foot Port

1/2 RX0+/RX0- White/Blue 2/1 R0/T0

19/20 TX0+/TX0- White/Orange 5/4

3/4 RX1+/RX1- White/Green 2/1 R1/T1

21/22 TX1+/TX1- White/Brown 5/4

5/6 RX2+/RX2- White/Gray 2/1 R2/T2

23/24 TX2+/TX2- Red/Blue 5/4

7/8 RX3+/RX3- Red/Orange 2/1 R3/T3

25/26 TX3+/TX3- Red/Green 5/4

Pos.1

Pos.26

Pos.1

Pos.9

DB26

DB9

Pos.1

Pos.26

DB26

Pos.1

Pos.9

DB9

RJ48C

1T1 trunk cable pin assignment

DB26 Pin

Foot Signal Wire Pair RJ48C Pin

Foot Port

1/2 RX0+/RX0- White and orange/Orange 2/1 R0/T0

6/7 TX0+/TX0- White and blue/Blue 5/4

1E1 trunk cable pin assignment

DB26 Pin Foot Signal Port

1/2 RX+/RX- R0

6/7 TX+/TX- T0

2E1 trunk cable pin assignment

DB26 Pin Foot Signal Port

1/2 RX0+/RX0- R0

6/7 TX0+/TX0- T0

3/4 RX1+/RX1- R1

8/9 TX1+/TX1- T1

2T1 trunk cable pin assignment

DB26 Pin

Foot Signal Wire Pair RJ48C Pin

Foot Port

1/2 RX0+/RX0- White and orange/Orange 2/1 R0/T0

6/7 TX0+/TX0- White and blue/Blue 5/4

3/4 RX1+/RX1- White and green/Green 2/1 R1/T1

8/9 TX1+/TX1- White and brown/Brown 5/4

2T1 trunk cable (DB9

connector, applicable to the

U1911&U1960&U1981)

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