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Can't get TAP paging to work over Lantronix device

 
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mwaters



Joined: 23 May 2013
Posts: 14

PostPosted: Wed Oct 30, 2019 12:36 pm    Post subject: Can't get TAP paging to work over Lantronix device Reply with quote

We are configuring a new Windows 2016 virtual server to use as our paging server and I can get all the SMTP type stuff to work EXCEPT the TAP paging. We have a 2012r2 VM that works fine and I have mimicked all of its settings over to the new server but no luck. I have tried using the Lantronix Com Port Redirector software and even another type of software like that but cannot seem to get PG to talk to the Lantronix device and send out a page.

In the PG Server log I see the following when I try a TAP page attempt to a test pager of mine:


10/30/2019 10:23:52 AM Start connection to carrier: DirectComm1
10/30/2019 10:23:52 AM Connect using TAP protocol
10/30/2019 10:23:52 AM Setting communication parameters (9600,e,7,1)
10/30/2019 10:23:52 AM Connected to carrier
10/30/2019 10:23:52 AM Waiting for protocol initialization
10/30/2019 10:23:52 AM Sent:<CR>
10/30/2019 10:23:54 AM Sent:<CR>
10/30/2019 10:23:57 AM Sent:<CR>
10/30/2019 10:24:01 AM Sent:<CR>
10/30/2019 10:24:08 AM ========================================
10/30/2019 10:24:08 AM Start connection to carrier: DirectComm1
10/30/2019 10:24:08 AM Connect using TAP protocol
10/30/2019 10:24:08 AM Setting communication parameters (9600,e,7,1)
10/30/2019 10:24:08 AM Connected to carrier
10/30/2019 10:24:08 AM Waiting for protocol initialization
10/30/2019 10:24:08 AM Sent:<CR>
10/30/2019 10:24:10 AM Sent:<CR>
10/30/2019 10:24:13 AM Sent:<CR>
10/30/2019 10:24:17 AM Sent:<CR>
10/30/2019 10:24:24 AM ========================================
10/30/2019 10:24:24 AM Start connection to carrier: DirectComm1
10/30/2019 10:24:24 AM Connect using TAP protocol
10/30/2019 10:24:24 AM Setting communication parameters (9600,e,7,1)
10/30/2019 10:24:24 AM Connected to carrier
10/30/2019 10:24:24 AM Waiting for protocol initialization
10/30/2019 10:24:24 AM Sent:<CR>
10/30/2019 10:24:27 AM Sent:<CR>
10/30/2019 10:24:30 AM Sent:<CR>
10/30/2019 10:24:34 AM Sent:<CR>
10/30/2019 10:24:39 AM Carrier retry limit reached. Marking pending messages as bad
10/30/2019 10:24:39 AM FAILED Stn:0 To:_miketestpager Msg:foofoo



Any thoughts on what I am doing wrong?

Thanks!


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Tech Support



Joined: 25 Aug 2003
Posts: 4206

PostPosted: Wed Oct 30, 2019 12:39 pm    Post subject: Reply with quote

Hm... if you would, try this:

1) Open PG Admin.

2) Right click Connectors, select 'Stop All'

3) Run Putty, hyperterminal or any other COM port testing utility.

4) Connect to the same COM port at 9600 baud, even parity, 7 data bits and 1 stop bit.

After connecting, hit Enter on your keyboard to pass a CRLF. If the terminal is present or if the connection can be established, you should receive ID= in response.

If you don't receive ID=, that indicates there's a break in the hand-off somewhere between the sending and receiving systems.



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PostPosted: Wed Oct 30, 2019 12:40 pm    Post subject: Reply with quote

As a follow-up thought, a communication parameter mismatch could cause a lack of response. If the receiving TAP system is expecting 1200 baud, no parity, 8 data bits and 1 stop bit, for example, it wouldn't be able to respond to a 9600,e,7,1 data block.

I would definitely double check the connection parameters of the receiving system.



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mwaters



Joined: 23 May 2013
Posts: 14

PostPosted: Wed Oct 30, 2019 3:03 pm    Post subject: Reply with quote

When I run putty with the parameters the other PageGate server is using all I get is a black putty screen. When I press Enter, I get nothing in response. Frustrating. This is version 8 of PageGate.

The parameters I am using are:

BAUD:9600
Parity: Even
Data Bits: 7
Stop Bits: 1
Flow Control: none

Trying on a virtual COM3 port.


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PostPosted: Wed Oct 30, 2019 3:07 pm    Post subject: Reply with quote

Just to double check, what is the receiving TAP system and do you have the ability to directly connect a serial cable to it on a test laptop or something like that?

If so, try directly connecting and hitting enter. If you get a response, we know the terminal is good with those settings, so the breakdown might be in the virtualization of the serial line.



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mwaters



Joined: 23 May 2013
Posts: 14

PostPosted: Wed Oct 30, 2019 3:26 pm    Post subject: Reply with quote

It's an older Zetron paging system. We do have an older PageGate server (version 6) that we are trying to retire and replace with this one. It is connected with a direct serial cable to the Zetron unit and has no problem sending pages. There is another open port on the Zetron unit that I am connecting the Lantronix to for this new server but I know it works because I can plug in the older server to it and it will page out just fine. The Zetron ports are CAT5. The old PG server uses its physical com port via a serial/Cat5 adapter.

I am offsite right now so I don't have the ability to try re-cabling. Although I have already done plenty of experimenting. I am even building a new Physical server to see if it will work. This one will also be Server 2016.


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PostPosted: Wed Oct 30, 2019 3:30 pm    Post subject: Reply with quote

Ah, you have done quite a bit of testing and, from what you've described, it sounds like the virtualization device isn't quite connecting the ports the way it needs to.

If you can't get a response in Putty, PageGate isn't going to receive a response either and it indicates that the COM port isn't passing along the commands from the system or any response packet isn't making it back to the system.



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