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stock_number: "85589-1"
canonical_url: "https://www.artisantg.com/TestMeasurement/85589-1/Excalibur-Systems-M4KSerial4-RS-232-422-485-Interface-Module"
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generated_at: "2026-11-07T04:44:28.041Z"
last_updated: "2026-09-18T19:05:39.930-05:00"
---

# Excalibur Systems M4KSerial4 RS-232/422/485 Interface Module

_Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._

## Summary

- Manufacturer: Excalibur Systems
- Model: M4KSerial4
- Condition: Used and in Excellent Condition
- Price: Quote only
- Availability: In stock
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 5 lb
- Shipping dimensions: 14X14X6 in

## Categories

- Test Equipment > Electrical Test > Serial (primary)
- Military and Embedded Equipment > ARINC & 1553

## Details

### Configuration

- (4) RS-232/422/485 Channels
- Extended Temperature Option

## Images

- <https://www.artisantg.com/itemimages/excalibur_systems_m4kserial4_view1_201572144225.jpg>
- <https://www.artisantg.com/itemimages/excalibur_systems_m4kserial4_view2_201572144225.jpg>