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SHM-B ASYNC
4. Operation
After completing the wiring and configuration procedure, slide the printed circuit card back into the case while pulling the data and power cables through the holes in the back panel. The front panel will snap into the front of the case when the printed circuit board has been completely pushed to the back of the case.
Connect the
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| TX+ | RX+ |
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TD | TX- | RX- |
| RD | |
RX+ | TX+ | ||||
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RD |
| RX- | TX- |
| TD |
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SHM #1 in NORMAL mode. | SHM #2 in NORMAL mode. | ||||
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| TX+ | RX+ |
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TD | TX- | RX- |
| RD | |
RX+ | TX+ | ||||
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RD |
| RX- | TX- |
| TD |
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SHM #1 in LOOPBACK mode. | SHM #2 in NORMAL mode. |
Figure 3. Activating the LOOPBACK switch.
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