Questions tagged [db9]
6 questions
4
votes
3 answers
What does opening a serial port do?
What does opening the standard PC serial port do, in electrical terms (i.e. what voltages on which pins)?
For example, the ancient VB6 program which controls an apparatus I am tasked with maintaining toggles .PortOpen to control some TTL. The…
reve_etrange
- 174
3
votes
5 answers
How can I add a DB9 serial port to a laptop?
I have a device I need a 9 pin serial port to configure. How can I add this capability to my laptop?
Axxmasterr
- 7,966
1
vote
1 answer
Can COM ports be used as RS232 serial ports?
Appologies if I am misusing/abusing specifications.
Question: Is it possible to send serial signals via the PC's COM port? Is it further possible to split this port somehow and send signals to two different devices?
Motivation: My end game is to…
puk
- 717
1
vote
2 answers
USB TO DB9 Adapter
I have a USB-to-DB9 adapter, no FCC serial visible anywhere, that I need drivers for.
I can't seem to get any relevant info searching on Google. Does anyone have any good ideas where I might be able to get a lead on some drivers?
I'll even upload a…
Ioudas
- 69
0
votes
2 answers
Can DB9 send data to another DB9 and DB25 together?
I have been asked to create a connection that would send data from a device to computer via DB9 connector. There it will be processed by our application. The same data should also be sent to a printer using LPT (DB25). I have been looking around…
0
votes
1 answer
KVM control of a hardware firewall
I purchase a basic 9 year old server (2*Amplicon Ventrix computers, a generic 1u 8port kvm switch and a 16u flight case) along with a cheap hardware firewall (nokia ip350) and some other components and am wondering how best to configure the…
