8/3/2015 3:38 PM | |
Joined: 12/22/2006 Last visit: 1/25/2022 Posts: 1742 Rating:
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Hello, May be you could think about the following: CPU1200 ==> switch with FO ==> FO ==> swich with FO ==> CPU1200 +CM The second CPU as I-device of the first CPU. As switch you could use the XB004-1 |
Best regards |
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8/4/2015 2:51 PM | |
Posts: 5225 Rating:
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4km.. that is almost 1 hour's walk. No copper driven communication port will be able to do the job on its own... and it is going to be expensive adding hardware to handle it (ignoring what the specifications say on RS232 / RS485 / RS422). Fiber optic is one option. How is you line-of-sight for the 4km? I would go with wireless option. w |
9/3/2015 10:34 AM | |
Posts: 15 Rating:
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Hello William, Thank you for your reply, 4km distance will be covered with the fiber cable. Using wireless was not a option since the line of sight was very bad and addition there are lot of disturbance for the wireless communication. |
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