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ECM-BYT2 User’s Manual
ECM-BYT2 User’s Manual 27
2.4.13 Serial port 2 connector (JCOM2)
Signal
PIN
PIN
Signal
NDCDB#
1
2
NRXDB
NTXDB
3
4
NDTRB#
GND
5
6
NDSRB#
NRTSB#
7
8
NCTSB#
NRIB#
9
10
NC
2.4.14 Serial port 1 in RS-422/485 mode (J422_485)
Signal
PIN
PIN
Signal
485TX2-
1
2
485RX2-
485TX2+
3
4
485RX2+
+5V
5
6
GND