1.近距离读卡器：
[
{
"device": "/dev/ttyS1",
"bandRate": 9600,
"type": "IC485"
},
{
"device": "/dev/ttyS2",
"bandRate": 9600,
"type": "IC485"
}
]
2.远距离读卡器：
[
{
"device": "/dev/ttyS1",
"bandRate": 115200,
"type": "HR2609"
},
{
"device": "/dev/ttyS2",
"bandRate": 115200,
"type": "HR2609"
}
]
3.远近组合com1近，com2远
[
{
"device": "/dev/ttyS1",
"bandRate": 9600,
"type": "IC485"
},
{
"device": "/dev/ttyS2",
"bandRate": 115200,
"type": "HR2609"
}
]
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