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20 PPC-L106T User Manual
2.7 PCM-9679 and I/O Adapter Replacement
To replace or service the PCM-9679 (all-in-one CPU board) and I/O
adapter, complete the following steps:
1. Turn off the power to the PPC-L106T
2. Remove the rear protective cover (see Figure 2-1)
3. Install the PCM-9679 in the panel and screw in the eight screws
(see Figure 2-4)
4. When the PCM-9679 is mounted in the panel, plug and press the
adapter into the socket (see Figure 2-4))
5. Some screws on the left connect the I/O adapter to the PC, and also
connect the adapter to the PCM-9679. Screw the screws into the
panel..
Note: You may change the jumper settings for RS-
232/422/485 before installing the PCM-9679
and I/O adapter