Cal Amp LMU-2x30 Hardware And Installation Manual page 26

LMU-2x20™ Hardware and Installation Guide
3.2.3.1 Attaching the Pig-Tail Serial Adapter
These instructions describe how to connect the Serial Pig-Tail Adapter to the LMU-2x30™'s
20 Pin wiring harness. It is recommended that the LMU be powered-off and the cable
detached when installing the lead kit. Insert crimped pins, one at a time into the back of the
20-pin wiring harness connector as indicated in the steps below.
1. Install Black ground lead to pin 1 of 20-pin connector on wiring
2. Install Blue TXD lead to pin 4 of 20-pin connector on wiring harness.(if pin 1 is
occupied, alternate locations are pin 16, and pin 19)
3. Install Green RXD lead to pin 13 of 20-pin connector on wiring harness
4. Install Orange VDD lead to pin 9 of 20-pin connector on wiring harness
V1.0.10
Copyright ©CalAmp DataCom Inc 2010
Figure 8 - Back view of 20-pin connector
- 19 -
December 12, 2010
CalAmp Proprietary & Confidential