Middle Atlantic RLNK-410R-IEC-NS handleiding

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Middle Atlantic

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Handleiding

FREQUENTLY ASKED QUESTIONS

Page 60

the IP addresses (1 and 2, respectively) differ. With a subnet mask of 255.255.255.0, the first

three octets of the IP addresses on the PC and RackLink would have to match.

For more information regarding IP addresses, refer to Microsoft’s TechNet articles at

http://technet.microsoft.com/en-us/library/cc958829.aspx.

Question: What could be wrong if I can’t access the browser-based interface?

Answer: Check to see if you can access a standard web page, such as www.google.com. Verify that

the Ethernet port’s LEDs on the back of your RackLink device are solid yellow and blinking green.

Review the procedures in “Setting Up Your RackLink Device for the First Time” on page 20.

Control System Questions

Question: I press the Factory Reset button and reset my RackLink to factory defaults, but I’m getting

a login denied response from RackLink when I sign in using the default Control Systems account and

password. Why is this happening?

Answer: Earlier versions of RackLink firmware did not reset the Control Systems account password

after pressing the Default Restoration button. Reset it manually by accessing the Passwords screen

and setting the Control Systems account password to match your Control System.

Question: Every time I send a command from my control system to my RackLink it responds with a

“Bad Length” error. Why is this happening?

Answer: The length byte is in Hexadecimal format. When you add up the total command length,

make sure you convert the length from decimal format to hexadecimal format.

Question: Every time I send a command from my control system to my RackLink it responds with a

“Bad Checksum” error. Why is this happening?

Answer: Review the Checksum section of the Select Series PDU With RackLink Control System

Communication Protocol Manual (I-00472) at www.legrandav.com. Make sure to AND the sum with

127 (0x7F) or modulus the sum with 128 (0x80).

Alert LED States

Question: What are the different statuses for the Alert LED?

Answer:

Alert LED State

What It Means

Blinking Green

Acquiring IP address (during startup).

Green

Normal operation, IP acquired, and no alarms.

Blinking Green/Red

No alarms, running on default IP (DHCP not acquired).

Blinking Red

Lost IP connection.

Red

Network is active, alarms present.

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