• You've been granted Beta access to this site, allowing you to explore some of the new features while they're still under construction. More information can be found in the Beta forum.

UPB PIM pinout info needed

electron

Administrator
Staff member
I am trying to build a custom cable for my serial UPB interface (for use with the Elk M1), but the standard 3 pins don't seem to do the trick. Whenever I use that setup, I can hear the UPB PIM buzz 3 times for each command, and also see the light blink 3 times. This does not happen with the regular serial cable, so I assume I must be missing some pins. Has anyone tried building a custom cable yet?
 

howardbuck

New Member
This is the pinout I use for my HAI UPB PIM. I think they should all use the same configuration.

PIM RJ-25 DB-9 (connected as DTE)

1 DTR 4 DTR

2 TX 2 RX

3 RX 3 TX

5 GND 5 GND



Howard
 

electron

Administrator
Staff member
I found the docs on the PCS site which shows the following config:

2->2 (RD)
3->3 (TD)
4->4 (DTR)
5->5 (ground)

Seems to work so far.
 
Top