# CAS ER Scale (no communication between POS hardware)

**URL:** <https://forum.sambapos.com/t/cas-er-scale-no-communication-between-pos-hardware/11443>\
**Category:** Version 4\
**Created:** [June 25, 2016, 2:10pm UTC](https://forum.sambapos.com/t/cas-er-scale-no-communication-between-pos-hardware/11443 "2016-06-25T14:10:41Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![emre](https://forum.sambapos.com/user_avatar/forum.sambapos.com/emre/32/39073_2.png) [@emre](https://forum.sambapos.com/u/emre)\
**Post date:** [June 26, 2016, 2:42pm UTC](https://forum.sambapos.com/t/cas-er-scale-no-communication-between-pos-hardware/11443/4 "2016-06-26T14:42:11Z")

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You should see something like this on Putty screen when you scale something.

[](https://forum.sambapos.com/uploads/default/_optimized/dd5/663/60830e88b3_690x407.jpg)

There is no special configuration on windows. It should just communicate fine through serial port. Maybe you should check port drivers or serial cable. After seeing proper results with putty you can configure SambaPOS to use your scale.

Here you can find more information for putty configuration.

> [@\[New 4.1.4\] Scale Integration](https://forum.sambapos.com/t/new-4-1-4-scale-integration/118):
>
> You can connect scales to SambaPOS by configuring a scale from Management \> Local Settings \> Devices My Scale is CAS ER model. To configure port click Settings and choose the port your device is connected to. [image] When a scale connected, scaling automatically updates Number Pad value. So when you add a product quantity value becomes scaled value. Custom Scale If your scale does not listed here you can try integrating it by using “Custom Scale” option. To be able to …

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