MINT is used for connecting COM ports from the MR25 radio modem inside switchboards. As standard the MINT board is connected to the MR25 using cable DKR10(DSUB37M <–> DSUB37F)
MINT is used for connecting COM ports from the MR25 radio modem inside switchboards. As standard the MINT board is connected to the MR25 using cable DKR10(DSUB37M <–> DSUB37F)
On the printed circuit it is possible to make the connection required for the RS485 interface using short-circuit jumpers on CUM/CUF connectors. It is possible to create a loopback outside the MR25 radio mode using the jumper between RxD and TxD (e.g. for testing converters of individual COM ports). Only signals corresponding to the MR25 hardware version are functional on the MINT PCB – see the publication Versions of the MR25 radio modem.
pin | signal | pin | signal | pin | signal | pin | signal |
---|---|---|---|---|---|---|---|
2 | TxD/Tx+ | 6 | DSR | 17 | RxC | 25 | TI |
3 | RxD/Rx+ | 7 | GND | 18 | LAL | ||
4 | RTS/Tx- | 8 | CD | 20 | DTR | ||
5 | CTS/Rx- | 15 | TxC | 21 | RDL |
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