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Console port – Westermo DDW-142-485 User Manual

Page 13

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13

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DDW-142-485 is equipped with internal termination that is configurable through software
in RS-422/485 mode. The following termination schemes are supported:

RS-422

No termination

Rx

Terminate Rx

Terminate Tx

Tx

Rx

Tx

Rx

Tx

Rx

Tx

Terminate Tx and Rx

RS-485

No termination

Termination

When the unit is powered-off or during reboot, any internal termination will be
disconnected from the signal lines.
Note: There are no fail-safe biasing available for RS-422/485 signals.

Connection to console port
The console port can be used to connect to the CLI
(Command Line Interface).
The following steps needs to be taken
1. Connect the serial diagnostic cable to the console port

(use only Westermo cable 1211-2027).

2. Connect cable to your computer (USB port, if drivers are needed they can be downloaded

from our Web page).

3. Use a terminal emulator and connect with correct speed and format (115200, 8N1) to the

assigned port.

For more information about the CLI, see the WeOS management guide.

I/O connection (for details see page 11 and 14)

Cable 1211-2027

Bottom view

Accessories
Description

Art no

Westermo console cable

1211-2027

Console port

(for more details see also page 10)

Position Direction* / description

No.1

GND

No. 2

Out / Tx

No. 3

In / Rx

* Direction relative to this unit.