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RS-232 Extender over Cat5e Cable
Extend the range of your serial RS-232 control interface with the convenience of standard Cat 5e cables. Compatible with all RS-232 protocols.
- Full-duplex data communication.
- Sends RS-232 data at 230 kbps up to 1000M / 3300 ft.
- Pure hardware solution - real time data transfer, no software conflicts.
- Transfer data or files between PCs, equipments.
- One Cat5 cable extension.
- RS232 Extender Local Unit
- RS232 Extender Remote Unit
- User's manual
- 2x AC power adapters 9 VD0C, 300mA
- 20cm Null Modem cable (DB-9 Male to Male)
- User's Manual (Jan 3, 2008)
Questions and Answers
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So, I pulled the PC out once I found a StarTech RS-232 "SERIAL TO IP" Device Server. I thought this would solve all my problems. I tied Cat5e to that buried phone line and pulled it through. Crimped the ends and thought all was well, but it didn't work. In my haste, I didn't learn that the upper limit of ethernet data was 100m. The computer / router simply couldn't communicate with the FG. It was too far away.
As I was researching options to fix this, POE Injectors, ethernet extenders (would have to be installed somewhere in the middle if I dug it all up), or even Coax Cable/Phone Line solutions, I found this RS232 Extender. Exactly what I needed the WHOLE DARN TIME. Since it is not sending internet protocol, just the COM Data via a powered extender, it can go thousands of feet.
However, it did not work right off the bat. I don't know why either. It was odd. The FG Program simply wasn't seeing the device. (Though the Ethernet Cable tested fine). I tried this and that. I made sure the Device was mapped correctly (to COM1 via Device Manager and that the Program was searching COM1).
Ultimately, I did two things. Either one, or a combination of both, made it work. I slowed down the transmit and receive buffer one "click" each. I also opened up a port on Windows Firewall. I didn't realize it would ever use an actual port, but it was worth a shot! The port in question was 4660. Maybe that did nothing, and I'm stupid. Maybe it was exactly what I needed. Regardless, after 3 months and $500, this project is completed. IT WORKS! And, with TeamViewer or another Remote Desktop Application, this Feed Grinder can now be operated from anywhere in the world. And for that, I thank you!
PROS: Cost Effective, Small Size for tight spaces
CONS: Manual leaves a much to be desired, but the web is a GREAT resource for these oddball things days. Needs to come with some GENDER CHANGES just in case! I needed them (and ordered them but they didn't arrive) and had to MAKE them with what I had. I also wish it had a little green light on it just to let you know it was ON. There's no way to know it's working!
PROS: Works as advertized. A perfect way to extend the communication distance.
CONS: I wish it came with two gender change cables or connectors
9 months ago
PROS: simple and reliable. buy it!
PROS: Small - would be perfect for many of my needs - if it in fact worked.