Belkin F5U104-EU-F Bedienungsanleitung PDF herunterladen (Seite 5)

EXCEL WEB CONTROL SYSTEM – NETWORKING WHITE PAPER

- 5 - EN2B0396GE51 R1214

Network access via USB

The USB interface on the Excel Web allows establishing

network connections with client PCs/Laptops for the following

functionality and purpose:

• Access via Internet Browser

• Access via Honeywell CARE engineering tool

The following USB Ethernet host-to-host adapters will allow

this feature:

• SMC 2208USB/ETH

• SMC 2209USB/ETH

• Belkin Direct Connect F5U104

• D-Link Dub-100E (old silver model before 2012)

Wireless LAN

When installed in networks supporting wireless LAN, Excel

Web can be operated via Wireless LAN.

Depending on the mobile unit, the Excel Web can be

operated via Internet Browser and/or engineered with the

Honeywell CARE engineering tool.

Encryption

BACnet

BACnet communication is not encrypted yet. The current

BACnet drivers do not support encryption yet.

The password for ReinitializeDevice or backup and restore is

“<UserName>:<Password>”. This string is openly transmitted

via BACnet. The allowed users can be configured in the

CARE application. All users with the access level “Building

engineer” or higher can execute this function.

BACnet/IP can be used with VPNs.

Internet Browser Login

Internet Browser login uses an authentification mechanism

based on Session IDs and MD5 encryption. Neither User

Name nor Password are openly transmitted over the network.

There is an adjustable log off timeout, which can be set in the

Internet browser operation for Excel Web.

Terminal Login

Terminal login uses no encryption for the password.

FTP Login

FTP login uses no encryption for the password.

The password is frequently openly transmitted over the

network, when the Honeywell CARE engineering tool

connects to a controller.

RPC communication

The RPC communication is not encrypted. The Honeywell

CARE engineering tool uses the RPC communication to

configure the Excel Web controller.

Password Handling

Internet Browser Login

For the login with Internet Browsers every user needs a user

name and password.

The highest user level (SystemAdmin) needs a password

which must consist of 5 characters minimum, which is

defined in the Honeywell CARE engineering tool (CARE

project login password).

When operating the Excel Web via Internet, it is highly

recommended to use a “safe” password. By default the

CARE engineering tool will propose a “safe” password upon

creation of an Excel Web project in CARE.

FTP Login (Firmware 2.02.12 and older)

One FTP log-in exists:

• Administrator – the Administrator password can and

should be changed using the Honeywell CARE tool.

SSH Login (firmware 2.02.17 and

newer)

For the SSH log-in, two password levels exist:

● SSH User – a limited user which can only access one

single directory

● Administrator – the Administrator password can be

changed in the CARE project.

SNMP

Excel Web does not support the Simple Network

management Protocol.

Network Integration checklist

1) Involve Customer IT department right from the start of

the project concept phase!!

2) Agree on System Integrator responsibility.

• Amongst others, this responsibility includes the

coordination of tasks listed under points 3) through

9) below.

3) Get contact details of one responsible person per

BACnet vendor that will integrate into the network.

4) Agree on level of BACnet Integration with customer

• Work bottom up!

Start with defining the minimum functionality

required by the customer.

Once this is achieved, try to enhance the

interoperability.

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