User guide

ASM-BYT
12 ASM-BYT Quick Reference Guide
2.1.3 Serial port 2 connector (COM2)
Signal
PIN
PIN
Signal
NDCDA#_485TXN
1
6
NDSRA#
NRXDA_485TXP
2
7
NRTSA#
NTXDA_485RXP
3
8
NCTSA#
NDTRA#_485RXN
4
9
NRIA#
GND
5
10
NC
Note:
COM2 can be set as RS-422-485 vis DIP Switch.