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You can confirm the setting was saved by pressing the SNMPGet button again. If you do not change the value type the setting will not save. After changing the value of 2 make sure that you set the value type to ANS1_INT. To set the value change the value in the box to 2.
![how to hookup a hp jetdirect 170x box how to hookup a hp jetdirect 170x box](https://i.ytimg.com/vi/6O-DnkP9mS4/maxresdefault.jpg)
Once that is done hit the SNMPGet button. The register is set by putting the value of 1.3.6.1.4.1.11.2.4.3.13.4.0 into the OID box at the bottom of the form. This was done with SNMPGetSet available here. This is setting the npPortCentronicsHandshaking value in the jet direct. One more thing needs to be done to trick the Jetdirect into thinking it has a printer attached. This can be done by sending set-cmnty-name: private then typing quit. The “set cmnty name” setting also needs to be set. One other setting also needs to be set to gain control of the Jetdirect’s parallel port. The Jetdirect should now show up hopefully at the new IP. After that wait one minute and power cycle the Jetdirect. This was done by issuing the command ip: 192.168.1.170 (or whatever IP you want) hitting enter then typing quit. The jet direct’s default IP address of 192.0.0.192 was not convenient so it was changed to be in the 192.168.1.xxx range. The work around for this was to use the telnet interface. IE gave this lovely error:Īfter updating Java and adding the IP to the trusted sites in the java control panel, the web interface still did not work.Īfter some reading this is due to stricter security in the newer versions of Java. The web interface failed to load in chrome so IE was tried. The telnet interface looked somewhat primitive so I opted for the web interface. After this was accomplished it was possible to ping, telnet and connect to the device using a web browser. “test”button and releasing after 5 seconds it will go into reset and have factory defaults. After some reading it appears that if the device is power cycled while holding the The device is supposed to have a default IP of 192.0.0.192 so that was tried first. This would be easy other than the fact that I no longer own a printer with a parallel port interface. All that would be required is holding down a button on startup and the jet direct would print out a configuration page that lists its IP address. The first problem that was encountered was finding the Jetdirect’s IP address. This was added later on with some red 30 awg wire wrap wire. The original PCB did not have the connection on the DB25 connector between pins 1, 10, 13 and 15. These wires were then attached to a surplus 12v wall wart.įor testing a PCB was created and the design was sent to. A quick trip to the hardware store and the screws were no match for my new set of security screwdriver bits.
![how to hookup a hp jetdirect 170x box how to hookup a hp jetdirect 170x box](https://c1.neweggimages.com/ProductImage/A98Y_1_201604212037144560.jpg)
That was also a problem since HP was nice enough to use some super tiny Torx security bits. The easiest solution for this was to pop open the case and solder some wires to the power connectors. Just picture a person driving with a wired network and a printer in their car. The search did lead to this listing which is hilarious.
![how to hookup a hp jetdirect 170x box how to hookup a hp jetdirect 170x box](https://data2.manualslib.com/first-image/i10/47/4648/464731/hp-jetdirect-250m.jpg)
Sourcing the power supply on Ebay proved more time consuming and expensive than desired. The power connector was a somewhat weird diameter. The Jetdirects did not come with a power supply. The 300x, at least the one tested, does not appear to be as stable as the 170x. If you are looking to buy hardware, shoot for the 170x. This was later replaced with the 170x which is only 10 base t. The 300x has 10/100 base t which is why it was initially chosen. Here are some of the web sites used to figure this out:Īs far as hardware the project was started with a Jetdirect 300x this was replaced with a 170x. The goal of this is to create some network attached GPIO with some of the HP Jetdirects in my junk box.