Maybe it will make a few life easier. I have seen some confusing posts on this subject.
This is a correct pinout of AP-CBL-SER serial console cable for IAP-103 and many more APs. Instead of buying ridiculously expensive Aruba cable, do it your self.
All you need is:
- TTL (pins) to RS232 (DB9f) adapter (approx. 1 EUR), keep in mind that adapter should work with 3.3-5v voltage range, not more! I used Arduino platform adapter to DB9 female.
- 4 wire cable (even 3 should work, without VCC).
See attached picture.
FYI: Newer APs, like 203R, are using Micro-USB for the TTL-Serial connector.
The right Aruba-Cable is JY728A - AP-CBL-SERU.
It's an active cable, which has an integrated USB to Serial/TTL-3.3 Volt converter. (not comparable with RS232 Serial).
Pinout of the TTL-Port of AP is:
Refer USB Pinout: https://en.wikipedia.org/wiki/USB_hardware#Pinouts
I'm using this Module https://de.aliexpress.com/item/32893637666.html
Connect with 9600baud, 8N1
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