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Westermo AD-01 User Manual

Page 10

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10

6612-2202

LED indications

LED

Status

Description

PWR

LED on

Correct internal power

LED off

No internal power

Tx

LED on

Data received slave interface

LED off

No data slave interface

Rx

LED on

Data received master interface

LED off

No data master interface

V.24

LED on

Rs-232/V.24 master port open

LED off

Rs-232/V.24 master port closed

M-Bus

LED on

M-Bus master port open

LED off

M-Bus master port closed

OL/sC

LED on

Overload / short-circuit M-Bus master interface

LED off

Normal communication M-Bus master interface

PF*

LED on

Power failure M-Bus slave interface

LED off

M-Bus slave interface receives correct power from line

* Observe that if M-Bus slave mode is set to not used, PF led is always inactive.