Atos Unify OpenScape Branch 550 User manual

A31003-H8100-J100-01-7631
550 / 550 HA
Installation Guide

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2 OpenScape Branch 550 / 550HA, Installation Guide
Contents
History of Changes .........................................................................................................4
OpenScape Branch 550 / 550 HA–Introduction .......................................................5
1.1 About this Guide ................................................................................................5
1.2 Symbols ...........................................................................................................6
1.3 Scope of Delivery ...............................................................................................7
Accessories and Spare Parts..............................................................................8
Shipment, Packaging and Unpacking ..................................................................9
1.4 Security Information...........................................................................................9
1.5 Safety Information .............................................................................................9
General Safety ................................................................................................9
Safety with electricity.....................................................................................12
1.5.2.1 High Voltage Safety ....................................................................................12
Special Handling and Unpacking Instructions .....................................................12
Lithium Battery Precautions ............................................................................13
Accessing Internal Components .......................................................................13
Electrostatic Discharge (ESD)..........................................................................14
1.5.6.1 Grounding Methods.....................................................................................14
Protective Grounding .....................................................................................14
Lightning Protection Requirements ...................................................................15
Connecting to the Power Supply Circuit.............................................................15
1.6 Thermal Considerations.....................................................................................16
Active Cooling...............................................................................................16
Temperature Sensor ......................................................................................16
Connecting telecom lines and analog phones .....................................................16
1.7 Quality and Environmental Management..............................................................17
Disposal and Recycling ...................................................................................17
WEEE Compliance..........................................................................................17
1.8 Marking ..........................................................................................................17
The OpenScape Branch 550/ 550HA- Overview......................................................18
2.1 OpenScape Branch 550 / 550 HA........................................................................18
2.2 OpenScape Branch 550 / 550HA models..............................................................19
2.3 OpenScape Branch 550 / 550HA variants.............................................................20
2.4 General Instructions on Usage ...........................................................................22
Minimum System Clearance ............................................................................23
2.5 Hardware Characteristics...................................................................................23
Front Side ....................................................................................................24
2.5.1.2 USB Ports ..................................................................................................25
2.5.1.3 Controls and Indicators................................................................................25
Rear Side .....................................................................................................27
2.5.2.1 External Interfaces .....................................................................................29
2.5.2.2 Power Supply Unit ......................................................................................29
Mainboard ....................................................................................................31
OpenScapeBranch 550 / 550HA Installation ..........................................................32
3.1 How to Install as a Desktop ...............................................................................33
3.2 How to Install in a 19" Industrial Rack.................................................................34
3.3 How to Install and Remove Low Profile Expansion Cards ........................................35
3.4 How to Install and Remove a M.2 SSD Module......................................................35
3.5 OpenScape Branch 550 / 550HA System Startup ..................................................36
3.6 How to connect the Power Connection.................................................................37
Serviceability Features ...........................................................................................38
4.1 OpenScape Branch 550 / 550HA Maintenance ......................................................38
4.2 How to Replace the Fan Assembly ......................................................................38
How to Replace the Lithium Battery .................................................................39

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4.3 OpenScape Branch 550 / 550HA Storage.............................................................40
4.4 OpenScape Branch 550 / 550HA Transportation....................................................40
Technical Data ........................................................................................................41
5.1 Block Diagrams................................................................................................41
5.2 Standard Interfaces..........................................................................................42
Sangoma card: TE130 Series TE131/TE132/TE133/TE134 ...................................42
Sangoma card: TE430 Series TE435B/TE435/TE436B/TE4364..............................42
Sangoma card: TE230 Series TE235B/TE235/TE236B/TE236 ...............................43
Sangoma card: A4A / A4B ..............................................................................43
5.3 Environmental Specification...............................................................................43
5.4 CE Directives and Standards ..............................................................................45

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History of Changes
Issue
Date
Summary
1
09/2021
First issue of the guide.

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OpenScape Branch 550 / 550 HA–
Introduction
OpenScape Branch is a Session Initiation Protocol (SIP) based appliance used
in a Voice over IP enterprise communication environment for OpenScape Voice
solutions to empower the remote branch office.
1.1 About this Guide
This guide focuses on describing the special features of the OpenScape Branch 550
(OSB 550) and OpenScape Branch 550HA (OSB 550HA). Administrators and Service
Technicians are recommended to study the instructions within this Installation guide
before switching on the power.
Intended Audience
The audience of this guide is Unify Professional Services and Back Level Support
personnel. Note that this does not preclude other Unify personnel, customers, or third-
party service providers who have the necessary prerequisite knowledge from using the
guide.
Prerequisite Knowledge
This guide is written to the user who has:
Successfully completed the Unify OpenScape Voice installation and technical
training courses.
Advanced SuSE Linux (OpenSuSE) operating system knowledge and experience.
Basic knowledge of the third-party platforms and equipment used for OpenScape
Voice including: their physical characteristics, their assembly, their documentation
(installation, service, and troubleshooting), and the documentation web sites
associated with the third-party platform and equipment manufacturers.
Basic knowledge of the industry standards and specifications utilized by OpenScape
Voice and associated equipment.

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1.2 Symbols
The following symbols may be used in this guide.
DANGER indicates a hazardous situation which, if not avoided, will result
in death or serious injury.
WARNING indicates a hazardous situation which, if not avoided, could
result in death or serious injury.
NOTICE indicates a property damage message.
CAUTION indicates a hazardous situation which, if not avoided, may
result in minor or moderate injury.
Electric Shock!
This symbol and title warn of hazards due to electrical shocks when touching products
or parts of products. Failure to observe the precautions indicated and/or prescribed by
the law may endanger your life/health and/or result in damage to your material.
ESD Sensitive Device!
This symbol and title inform that the electronic products and their components are
sensitive to static electricity. Care must therefore be taken during all handling
operations and inspections of this product in order to ensure product integrity at all
times.
Disconnection, all power plugs!
This symbol informs to remove all AC power supply plugs before opening the device.
Connection, protective conductor (PE)!
This symbol informs of HIGH TOUCH CURRENT - Before connecting to the
telecommunication network, be sure to make the grounding connection.

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Protective Earth (PE)!
This symbol marks the connection point for protective conductor (PE) on the device.
This symbol indicates general information about the product and the guide.
This symbol also indicates detail information about the specific product configuration.
This symbol precedes helpful hints and tips for daily use.
1.3 Scope of Delivery
Check that your delivery is complete, and contains the items listed in Table 1: Scope of
delivery. If damaged or missing items are discovered, contact the dealer.
Table 1: Scope of delivery
Part
Qty
Part Description
OpenScape Branch 550 /
OpenScape Branch 550HA
1
System configuration as ordered
incl. a 19” rack mounting set
Rubber feet
4
Self-adhesive
Safety instructions
1
Installation Guide (incl. Ferrite Instruction)
Ferrites
1
Ferrite with OSB 550-D44 /OSB 550HA-D44
2
Ferrite with OSB 550-A44 / OSB 550HA-A44
1
Ferrite with OSB 550-DP14 / OSB 550HA-DP14
1
Ferrite with OSB 550-DP24 / OSB 550HA-DP24
NOTE: Power cords are not included in delivery. The appropriate country specific power
cord has to be ordered separately.
NOTE: Slide Rails are NOT included in the product delivery and can be ordered as a
separate option.
NOTE: Ferrites are included to reduce EMI for the OSB 550- A44, OSB 550 / 550HA-
D44, OSB 550 / 550HA -DP14 and OSB 550/ 550HA-DP24 variants. Ferrites must be
installed on FXS and FSO lines.

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Accessories and Spare Parts
Table 2: Accessories
Rack Slide Rails Kit contents
for KISS 2U/4U Systems
Qty
Slide rails
2
Rack mounting bracket for
2U/4U systems
4
Plate with 2XM6 threaded
holes
4
Countersunk head screw
M6X10
8
Countersunk head screw
M4X10
8
NOTE: The “Rack Slide Rails Kit” includes the slide rail kit for KISS 1U as well as for
KISS 2U/4U V2 Systems. Use the corresponding slide rail kit for your system.
NOTE: The installation of the KISS platform has to be carried-out only by qualified
personnel familiar with the associated dangers. Instructions on how to install the slide
rails are included in the Slide Rails Kit.
During the mounting procedure into a 19" industrial cabinet the KISS
system must be powered down and the power cord has to be disconnected from the
power source. Disconnect all peripherals.
Table 3: Spare parts
Part Number
Part Description
F31505-E21-S102
Fan Unit
F31505-E21-S103
AC PSU 250W
F31505-E21-S105
Red.AC PSU - 300W Module
F31505-E21-S107
SSD M.2 128GB
V39113-Z7000-A3
Battery CR2032
S30122-X8004-X49
OSB 500i Card 4 PRI
S30122-X8004-X51
OSB 550 Card 4FXS
S30122-X8004-X52
OSB 550 Card 4FXO
S30122-X8004-X53
OSB 550 Card 2E1/T1PRI
S30122-X8004-X54
OSB 550 Card 1E1/T1PRI
S30122-X8004-X55
OSB 550 Card 4BRI
S30122-X8004-X56
OSB 550 Card 4PRI
F31505-E21-A5
F31505-E21-A105
all OSB550/550HA models

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Part Number
Part Description
F31505-E21-A1
F31505-E21-A2
F31505-E21-A3
F31505-E21-A4
F31505-E21-A6
F31505-E21-A7
F31505-E21-A101
F31505-E21-A102
F31505-E21-A103
F31505-E21-A104
F31505-E21-A106
F31505-E21-A107
Shipment, Packaging and Unpacking
The OpenScape Branch 550 / 550 HA is packed together with all standard parts in a
product specific cardboard packaging with suitable shock absorbers inside.
Each item is packaged separately.
NOTE: Please refer to 1.5.3 Special Handling and Unpacking Instructions.
1.4 Security Information
Refer to the OpenScape Branch 550/550 HA Security Checklist for the measures to be
taken to secure OpenScape Branches.
It is of vital importance that security measures outlined in the Security
Checklist are executed.
1.5 Safety Information
Read and observe the instructions within this chapter that have been
compiled for the operator’s safety and to ensure accordance with regulations. If the
following General Safety Instructions are not observed, it could lead to injuries to the
operator and/or damage to the product. Unify Software and Solutions GmbH & Co. KG
is exempt from accident liability, also during the warranty period if the instructions
within this guide are not observed.
General Safety
The product has been built and tested according to the basic safety requirements for
low voltage (LVD) applications and has left the manufacturer in a safety-related,
flawless condition. To maintain this condition and to ensure safe operation, the
operator must observe the correct operating conditions for the product and following
general safety instructions:
•The product must be used as specified in the instructions for safety for the product
and for the operator, as described within this guide. The guide contains guidelines
for setting up, assembly, installation, maintenance, transport and storage.
•The on-site electrical installation must meet the requirements of the country's
specific local regulations.
•The communication system should only be operated with outlets that have
connected ground contacts.

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•During a thunderstorm, do not connect or disconnect lines and do not install or
remove boards.
•If supplied with a power cable, only use the supplied power cable.
•Replace the power cable immediately if it appears to be damaged.
•Do not use an extension cable to connect the product.
•Use separate ground wires to provide protective grounding for the communication
system. Before you start up the system and connect the phones and phone lines,
connect the communication system with a permanent earthing conductor (PE).
•Only use communication lines with a conductor diameter of 0.4 mm (AWG 26) or
more.
•To guarantee that sufficient air flow is available to cool the product, ensure that
ventilation openings are not covered or blocked.
•Do not place the product close to heat sources or damp places.
•Only connect devices or parts that fulfill the requirements of circuits as stipulated
by IEC 62368-1 to the available interfaces.
•Before opening the product, make sure that the product is disconnected from the
mains.
•Switching off the product by the power button does not disconnect the product from
the mains. Complete disconnection is only possible if the power cable is removed
from the wall plug or from the product. Ensure that there is free and easy access to
enable disconnection.
•The product may only be opened for the insertion or removal of add-on cards
(depending on the configuration of the system). This should only be carried out by
qualified operators.
•If extensions are being carried out, the following must be observed:
•All effective legal regulations and technical data are adhered to.
•Power consumption of any add-on card does not exceed the specified
limitations.
•Current consumption of the product does not exceed the value stated on
the product label.
•Only use original accessories and spare parts approved by Unify Software and
Solutions GmbH & Co. KG.
•NOTE: safe operation is no longer possible when any of the following applies:
•Product has visible damage.
•Product is no longer functioning
In these cases, the product must be switched off and disconnected from
the mains. Additionally, ensured that the product can no longer be
operated.
•After completing test and maintenance work, make sure that all safety equipment is
re-installed in the right place.
•Install cables in such a way that they do not pose a risk of an accident (tripping)
and cannot be damaged.
•When working on an open communication system, make sure that it is never left
unattended.
•When working on the systems, never wear loose clothing and always tie back long
hair.
•Do not wear jewelry, metal watchbands or clothes with metal ornaments or rivets.
•Always wear the necessary eye protection whenever appropriate.

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•Always wear a hard hat where there is a risk of injury from falling objects.
•Make sure that the work area is well lit and tidy.
•Sudden changes in temperature can result in condensing humidity. If a
communication system or server is transported from a cold environment to warmer
areas, for example, this could result in the condensation of humidity.
•Wait until the communication system or server has adjusted to the ambient
temperature and is completely dry before starting it up.
Emergencies
What to Do in an Emergency:
In the event of an accident, use caution and remain calm and controlled.
Always switch of the power supply before touching the victim.
If you are not able to disconnect the power supply, use a nonconductive object,
such as a wooden rod, to push or pull the victim away from electrical contact.
Administer First Aid.
Immediately Call for Help.
First Aid
Be familiar with basic first aid procedures for electrical shock. A fundamental
knowledge of various resuscitation methods if the victim has stopped breathing or if
the victim’s heart is no longer beating, as well as first aid for treating burns, is
absolutely necessary in such emergencies.
If the victim is not breathing, immediately perform mouth-to-mouth or mouth-to-
nose resuscitation.
If you are trained and certified, administer cardiac compression if the victim’s heart
is not beating.
Call for Help
Immediately call a rescue group, ambulance or hospital. Provide the following
information in the following sequence:
Where did the accident happen?
What happened?
How many people were injured?
What type of injuries?
Wait for questions.
Reporting Accidents
Report to your manager all accidents, near accidents, and possible hazards to
ensure their causes are resolved as soon as possible.
Report any electric shock, no matter how small.

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Safety with electricity
The new OpenScape Branch 550 / 550HA product was developed and tested carefully
to provide all features necessary to ensure its compliance with electrical safety
requirements. It was also designed for a long fault-free life. However, the life
expectancy of your product can be drastically reduced by improper treatment during
unpacking and installation. Therefore, in the interest of your own safety and of the
correct operation of your new OpenScape Branch 550 / 550HA product, you are
requested to conform with the following guidelines.
1.5.2.1 High Voltage Safety
As a precaution and in case of danger, the power connectors must be easily accessible.
The power connectors are the product’s main disconnect device.
Warning
All operations on this product must be carried out by sufficiently skilled personnel only.
Electric Shock!
Before installing a non-hot-swappable OpenScape Branch 550 / 550HA into a system
always ensure that your main power is switched off. This also applies to the installation
of piggybacks. Serious electrical shock hazards can exist during all installation, repair,
and maintenance operations on this product. Therefore, always unplug all power cables
and any other cables which provide external voltages before performing any work on
this product.
Protective conductor (PE) connection shall remain connected to a central grounding
point. The protective conductor (PE) cable shall be the last cable to be disconnected or
the first cable to be connected when performing installation or removal procedures on
this product.
Special Handling and Unpacking Instructions
ESD Sensitive Device!
Electronic products and their components are sensitive to static electricity. Therefore,
care must be taken during all handling operations and inspections of this product, in
order to ensure product integrity at all times.
Handling and operation of the product is permitted only for trained
personnel within a workplace that is access controlled. Follow the “General Safety
Instructions” supplied with the product (see 1.5.1 General Safety Instructions).
Do not handle this product out of its protective enclosure while it is not used for
operational purposes unless it is otherwise protected.
Whenever possible, unpack or pack this product only at ESD safe workstations. Where
a safe workstation is not guaranteed, it is important for the operator to be electrically
discharged before touching the product with his/her hands or tools. This is most easily
done by touching a metal part of your system housing.

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It is particularly important to observe standard anti-static precautions when changing
piggybacks, ROM devices, jumper settings etc. If the product contains batteries for RTC
or memory backup, ensure that the product is not placed on conductive surfaces,
including anti-static plastics or sponges. They can cause short circuits and damage the
batteries or conductive circuits on the product.
Lithium Battery Precautions
When replacing the mainboard’s lithium battery observe the instructions described in
1.5.1 General Safety.
Danger of explosion when replaced with wrong type of battery or
if the battery is replaced incorrectly!
Replace only with the same or equivalent type recommended by the manufacturer.
The lithium battery type must be UL recognized.
Dispose of used batteries according to the manufacturer’s instructions.
Do not dispose of lithium batteries in general trash collection. Dispose of the
battery according to the local regulations dealing with the disposal of these special
materials, (e.g. to the collecting points for dispose of batteries).
Accessing Internal Components
This chapter contains important information on working safely with internal
components. Follow these instructions when handling internal components and observe
the corresponding safety instructions included in 1.5.1 General Safety.
Energy hazards- 120-240 VA present inside the chassis!
Before removing the top cover, switch off the product properly using the power switch
on the front side and disconnecting the power cable from the mains power supply.
Activities requiring internal access of the product must be performed by
trained personnel aware of the associated dangers!
ESD Sensitive Device!
Follow the safety instructions for components that are sensitive to electrostatic
discharge (ESD). Failure to observe this warning notice can result in damage to the
components.

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Electrostatic Discharge (ESD)
A sudden discharge of electrostatic electricity can destroy static-sensitive
devices.
Proper packaging and grounding techniques are necessary precautions to prevent
damage. Always take the following precautions:
Transport ESD-sensitive products in ESD-safe containers such as boxes or bags.
Keep electrostatic sensitive parts in their containers until they arrive at the ESD-
safe workplace.
Always be properly grounded when touching sensitive products, components, or
assembly.
Store electrostatic-sensitive products in protective packaging or on antistatic mats.
1.5.6.1 Grounding Methods
To avoid electrostatic damage, observe the following grounding guidelines:
Cover workstations with approved antistatic material. Always wear a wrist strap
connected to the workplace. Always use properly grounded tools and equipment.
Use antistatic mats, antistatic wristband, heel straps, or air ionizers for more
protection.
Always handle electrostatically sensitive components by their edge or by their
casing.
Avoid contact with pins, leads, or circuitry.
Switch off power and input signals before inserting and removing connectors or
connecting test equipment.
Keep work area free of non-conductive materials such as ordinary plastic assembly
aids and Styrofoam.
Use only field service tools that are conductive, such as cutters, screwdrivers, and
vacuum cleaners.
Always place any boards PCB-assembly-side down on a grounded conductive base
Protective Grounding
The protective grounding provides a secure connection to the ground potential to
protect against dangerously high touch voltages in the event of a malfunction.
Risk of electric shock through contact with live wires!
Only personnel with proper qualifications or qualified electricians should perform work
on the low-voltage network (<1000 VAC) and all work must comply with the
national/local requirements for electrical connections.

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Risk of electric shock through contact with live wires!
Use separate ground wires to provide protective grounding (PE) for the OpenScape
Branch 550 / 550HA communication system and possibly any main distribution frames
being used. Connect your communication system and your main distribution frame to
the ground wire before starting up the system and connecting telephones and lines.
Make sure that the ground wires laid are protected and strain relieved.
NOTE: A figure showing the assembly of the protection ground terminal is to be
provided.
Lightning Protection Requirements
The protection of communication system against high-energy surges requires a low-
impedance ground connection.
Once a communication system has been grounded, check the low-impedance
ground connection of the system using the ground conductor of the mains power
supply circuit and the low-impedance connection (of the additional permanently
connected protective ground conductor) to the building's potential equalization bus.
Fire hazard due to surge voltage!
Telecom lines which are over 500m in length or which must leave the building must be
conducted through an additional external lightning protection.
Lightning protection of this kind is known as additional primary protection. The
additional primary protection is guaranteed by the professional installation of ÜSAGs
(surge arresters, gas filled) in the main distribution frame, the patch panel or at the
entry point of the pipe in the building. A gas-filled surge arrester with 230 V nominal
voltage is switched to ground from each wire that is to be protected.
Without this additional primary protection, lightning could irreparably damage the
telecom boards. This can cause the entire communication system to fail or result in
components overheating (fire hazard).
Connecting to the Power Supply Circuit
The communication system has been approved for connection to TN-S power supply
systems. They can also be connected to a TN-C-S power supply system in which the
PEN conductor is divided into a ground wire and a neutral wire. TN-S and TN-C-S
systems are defined in the IEC 60364-1 and IEC60364-5-51 standard.
Risk of electric shock through contact with live wires!
Only qualified electricians should perform any work that may be required on the low-
voltage network. These installation activities to connect the communication system
must be performed in compliance with IEC 60364-1 and IEC 60364-4-41 or any
corresponding legal norms or national regulations.

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1.6 Thermal Considerations
Active Cooling
The OpenScape Branch 550 / 550HA is forced air-cooled using two internal system fans
that force air to flow from the front to the back of the chassis. The processor and
expansion cards have integrated cooling solutions or are equipped with corresponding
cooling devices.
Temperature Sensor
The temperature conditions of the product (depending on the environmental
temperature and the load) are detected by two internal temperature sensors (one at
the rear and one near the fan assembly) that control the speed of the system fans
within the fan assembly accordingly.
Connecting telecom lines and analog phones
Different types of telecom lines and analog phones can be connected to the OpenScape
Branch 550 / 550HA. The connection is made directly at the board.
Risk of electric shock through contact with live wires!
Use separate ground wires to provide protective grounding (PE) for your
communication system and any main distribution frames used before connecting
telephones and lines.
Fire hazard!
To reduce the risk of fire, you may only use communication cables with a conductor
diameter of at least 0.4mm (AWG 26) or larger.
Fire hazard due to surge voltage!
In the case of line lengths exceeding 500 m and where the lines exit the building, the
OSB550 should be protected by external lightning protection.
Lightning protection of this kind is known as additional primary protection. The
additional primary protection is guaranteed by installing ÜSAGs (surge arresters, gas
filled) in the patch panel or at the entry point of the pipe in the building. A gas-filled
surge arrester with 230 V nominal voltage is switched to ground from each wire that is
to be protected.

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1.7 Quality and Environmental Management
Unify Software and Solutions GmbH & Co. KG aims to deliver reliable high-end products
designed and built for quality, and aims to complying with environmental laws,
regulations, and other environmentally oriented requirements.
Unify Software and Solutions GmbH & Co. KG is certified for its Quality Management
System according to ISO9001 and for its Environmental Management System according
to ISO 14001.
Disposal and Recycling
Products by Unify Software and Solutions GmbH & Co. KG are manufactured to satisfy
environmental protection requirements where possible. Many of the components used
are capable of being recycled. Final disposal of this product after its service life must be
accomplished in accordance with applicable country, state, or local laws or regulations.
WEEE Compliance
The Waste Electrical and Electronic Equipment (WEEE) Directive aims to:
Reduce waste arising from electrical and electronic equipment (EEE)
Make producers of EEE responsible for the environmental impact of their products,
especially when the product become waste.
Encourage separate collection and subsequent treatment, reuse, recovery, recycling
and sound environmental disposal of EEE.
Improve the environmental performance of all those involved during the lifecycle of
EEE.
All electrical and electronic products should be disposed of separately from the
municipal waste stream via designated collection facilities appointed by the government
or the local authorities. The correct disposal and separate collection of your old
appliance will help prevent potential negative consequences for the environment and
human health. It is a precondition for reuse and recycling of used electrical and
electronic equipment. For more detailed information about disposal of your old
appliance, please contact your city office, waste disposal service, the shop where you
purchased the product or your sales representative. The statements quoted above are
only fully valid for equipment which is installed and sold in the countries of the
European Union and is covered by the directive 2012/19/EU. Countries outside the
European Union may have other regulations regarding the disposal of electrical and
electronic equipment.
1.8 Marking
Hereby, Unify Software and Solutions GmbH & Co. KG declares that the
OpenScape Branch 550 and OpenScape Branch 550HA are in compliance
with EU Directives 2014/30/EU, 2014/35/EU and 2011/65/EU as well as
the UK Electrical Equipment (Safety) Regulations 2016, UK
Electromagnetic Compatibility Regulations 2016 and UK RoHS Regulations
2012.
The full text of the EU and UK declarations of conformity are available
under the subdirectory “Declarations of Conformity” at the following
internet address: http://wiki.unify.com

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The OpenScape Branch 550/ 550HA-
Overview
The OpenScape Branch 550 is designed for high performance, reliability and offering
total flexibility with installation options in a 19” industrial rack or on a desktop.
The OpenScape Branch 550HA has a redundant power supply and is otherwise identical
to the OSB 550.
2.1 OpenScape Branch 550 / 550 HA
Table 4: Technical Characteristics
General Features
Based on:
KISS 2US V3 CFL model server
Physical size (WxHxD):
482 x 88 x 355 mm (18.9” x 3.4” x 13.9”)
Weight:
up to 7 kg (15.3 lb)
Average Power
Consumption:
41W
Rated Heat Emission:
648 kJ/h (614.2 BTU)
Operating
Temperature:
0-50°C (32-122°F)
Operating Humidity:
10 ~ 93% @ 40 °C, non-condensing
MTBF:
> 50000 hours (Server only)
Air flow:
Front to rear
Rated power (OSB 550) -Single AC Power Supply
Year 2021:
250W, 100-240 VAC, 50-60 Hz, 80 Plus
Year 2022:
300W, 100-240 VAC, 50-60 Hz, 80 Plus silver
Rated power (OSB 550 HA) - Redundant AC Power Supply (high availability)
Year 2021:
2x 300W, 100-240 VAC, 50-60 Hz, 80 Plus silver
Board
Mainboard
D3641 micro-ATX C246
Processor Type
Intel Pentium G5400T
Chipset
Intel® C246 Express
Memory
RAM
2x 4GB DDR4 2666 (non ECC)
Front I/O
USB
2x USB 2.0
Rear I/O
USB
4x USB 2.0
2x USB 3.1 Gen1
2x USB 3.1 Gen2

A31003-H8100-J100-01-7631, 09/2021
OpenScape Branch 550 / 550 HA, Installation Guide 19
LAN
2x 1 Gb (1x i219LM & 1x i210AT)
10/100/1000 Mbit/s
ATM 12.0 /vPro support
Teaming support
Display
1x DVI-D (1920 x 1200 @60 Hz)
2x Display Port V 1.2 (4096x2304 @60Hz)
PS/2
Keyboard, Mouse
Audio
1x Line in,
1x Line out
1x Microphone
Serial Port
1x RS232
(Two optional additional serial ports cutouts on the rear side
of the chassis)
Software
Operating System
MS Windows 10 IoT x64
Linux Ubuntu 1804 LTSB Desktop 64 bit
BIOS
AMI UEFI BIOS 5.x[1]
2.2 OpenScape Branch 550 / 550HA models
Table 5: OpenScape Branch 550 models
Model
Variant
PSTN Side
Device Side
OSB 550
D44
4x BRI
4x FXS
1B433LF
1A4B05F
OSB 550
A44
4x FXO
4x FXS
1A4B02F
1A4B05F
OSB 550
DP14
1x E1 PRI
4x FXS
1TE131F
1A4B05F
OSB 550
DP24
2x E1 PRI
4x FXS
1TE235BF
1A4B05F
OSB 550
DP4
4x T1/E1 PRI
NA
1TE435BF
OSB 550
DP8
8x T1/E1 PRI
NA
1TE435BF
1TE435BF
OSB 550
NC
NA
NA
4x BRI
4x FXS

A31003-H8100-J100-01-7631, 09/2021
20 OpenScape Branch 550 / 550HA, Installation Guide
OSB 550HA
D44
1B433LF
1A4B05F
OSB 550HA
A44
4x FXO
4x FXS
1A4B02F
1A4B05F
OSB 550HA
DP14
1x E1 PRI
4x FXS
1TE131F
1A4B05F
OSB 550HA
DP24
2x E1 PRI
4x FXS
1TE235BF
1A4B05F
OSB 550HA
DP4
4x T1/E1 PRI
NA
1TE435BF
OSB 550HA
DP8
8x T1/E1 PRI
NA
1TE435BF
1TE435BF
OSB 550HA
NC
NA
NA
2.3 OpenScape Branch 550 / 550HA variants
Table below is a preliminary summary that includes all OSB 550 variants.
The correct variant must be ordered to support FXO, FXS, BRI, E1/T1.
Table 6: OpenScape Branch 550 /550HA Performance
OSB 550 / OSB 550HA
Models
D44
A44
DP14
DP24
DP4
DP8
NC
Max. supported number of SIP registered
lines1
500
500
500
500
500
500
500
Max. number of concurrent sessions
400
400
400
400
400
400
400
Max. number of calls per second
(continuous)
4
4
4
4
4
4
4
Max. registrations per second (background)
10
10
10
10
10
10
10
Max. registrations per second (peak)
500
500
500
500
500
500
500
Max. number of concurrent announcement
ports
16
16
16
16
16
16
16
Max. number of concurrent conference
ports
30
30
30
30
30
30
30
Max. number of supported languages
2
2
2
2
2
2
2
Max. number of backup ACD agents
250
250
250
250
250
250
250