System Requirements

Technical Requirements for server and clients in custo diagnostic 5.x - dedicated to a clinical environment.

These requirements refer to custo diagnostic clinical 5.2.x and above.

Server

Hardware / Virtual Setup

• HDD min. 250 GB – depending on usage (see below), two partitions 50 GB (System) and 250 GB 
• RAM min. 8 GB
• 2x vCPU à 1.5 GHz

Supported Operating Systems

64bit Windows is required:

• Microsoft Windows 10 (recommended only for small environments)
• Microsoft Windows Server 2016 
• Microsoft Windows Server 2019

Supported Database Systems and Database Servers

• Microsoft SQL Server 2008, 2008 R2, 2012, 2014 (all in 32bit and 64bit), 2016
  all Editions: Enterprise, Datacenter, Business Intelligence, Standard, Workgroup, Web
  Express Edition is not recommended due to db size restrictions
• MariaDB (custo diagnostic 5.2.x Installer ships with MariaDB)

The H2 database which comes included with custo diagnostic 5.x Installer is not supported in a production environment of custo diagnostic clinical.

Client

Hardware / Virtual Setup

• HDD min. 5 GB
• RAM min. 4 GB
• 1x (v)CPU

Supported Operating Systems

(32bit / 64bit supported)

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Windows Server can be used as a client or Windows Terminal Server - but not for an acquisition workplace.

Ports / Connections

• USB Ports; Number depending on custo devices in use
• Sufficient WLAN quality for mobile applications
• BT Test with custo devices passed, if internal BT should be used

Requirements for Bluetooth Connectivity

All Bluetooth devices of custo med are working at least with Bluetooth 2.0 EDR specification and are Class-2 devices - which means maximum of 10 meter distance from the device to the PC.  Do not use device and custo diagnostic application PC in different rooms. In circumstances where this is required (e.g. bedside ECG in infectious environments to avoid the contamination of the device trolley) please keep both in line of sigh.

System Architecture

custo diagnostic server is a Apache Tomcat based service. The process responds on ReST / http / https requests and access the database and the raw data directory. 

SQL Database for Patient and Examination Information

• SQL Server Instance must be configured to fixed Port (Default: 1433)
• SQL credentials must be SQL user-password combination
• SQL user required to be DB Owner
• SQL user must have Server Roles: public; read on master DB
• Location: free of choice (could be a dedicated/separate SQL Server)

MariaDB for Patient and Examination Information

• no special Conditions necessary if shipped MariaDB Installer is used

Raw Data Directory

• 100 GB are good for a start, necessary examination file storage can be calculated based on the table below, based on usage
• Apache Tomcat Service User must have write access to this Directory
• Directory should be (very recommended) a local Directory on the Computer where custo diagnostic server is running
• Location: free of choice; could be a dedicated Windows File Server - but NAS, Samba or CIFS on NetApp is not recommended!
• Data Directory must only be accessible by Administrators and Apache Tomcat Service User

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Network connectivity

A recording of a holter ECG produces up to 10 MByte of data. 

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(In environments of unstable / not constant WiFi connections custo supplies dedicated solutions. Please ask your dealer in this case.)

Remote access to customer systems for installation and maintanance

• Option 1: VPN client dialin and RDP access to the dedicated custo diagnostic server
• Option 2: on-demand Teamviewer, WebEx or GoToMeeting sessions

Operators Maintenance

Except when otherwise stipulated in written form, the clinic is the operator of the system and takes care for typical operator tasks.

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• Hardware and software problems (windows system events)
• Sufficient disk space
• Operating system patches
• CPU performance
• Restart of the server (once per month)
• Backup

IT Security and Data Protection

custo diagnostic server is a windows service based on Apache Tomcat and a database server. 

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• Security by proxy/virus scan
• Administration of Windows security
• Protection of Windows shares, program directory and raw data directory must only be readable by administrators and custo diagnostic service user.
• Establishing a firewall
• Security of remote access
• Establishing and monitor a backup process of RAW data, program directory and database

Anti-virus solutions

There is no general limitation for the usage of virus scanners.

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