2N StarGate/BlueTower v5.7 - Manual (Page 25)

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2N TELEKOMUNIKACE a.s., www.2n.cz
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Bit format: start, 8bit, stop (no parity)
Signals: RXD, TXD, RTS, CTS, GND
Configuration Jumpers
The figure below shows the CPU configuration jumper. The JP1 jumper can be
connected in one of the following three positions.
CPU – COM1 communication port is active for communication with the CPU.
eCPU – COM1 communication port is active for communication with the eCPU.
DEF – used for CPU default reset.
Figure: Configuration Jumpers