3M Touch Systems Proprietary Information
1
CHAPTER 1
About the Service Guide
Who should read this Service Guide
The ET 3170 Terminal Service Guide is for qualified service personnel who need
to make adjustments inside the enclosure of the 3M Dynapro
TM
ET 3170 terminal.
What it’s about
This service manual explains how to:
! Set jumpers on the logic board for RS-232, RS-422, and RS-485
communications.
! Set jumpers on the I/O filter board to add 100 ohm termination resistors
across the TX+, TX- or RX+, RX- signal lines.
Before performing service on the terminal, check the label on the chassis to
confirm that the unit is a “Series B” terminal.
If the label on your unit indicates that it is a “Series A” terminal, you have an
earlier version of the product and you should refer to the ErgoTouch 3170 TCS
Terminal Installation Guide (document 11754). This document may be
downloaded from archived technical documents at www.3Mtouch.com
.
WARNING
To reduce the risks associated with electrical shock or fire which, if not avoided,
could result in death or serious injury and/or property damage:
n Follow all product and accessory installation instructions.
n Any servicing or other procedures not described in this manual are to be performed only
by 3M Touch Systems service personnel.
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