IEI Technology ECN-680A-H61, User Manual

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ECN-680A-H61 Em b e d d e d S ys te m
P a g e 50
5 NSOUT2 10 N/A
Table 4-7: Serial Port Connector Pinouts (COM2)
Pin Description Pin Description
1 -NDCD3 6 -NCTS3
2 -NDSR4 7 -NDTR3
3 NSIN3 8 -XRI3
4 -NRTS3 9 GND
5 NSOUT3 10 N/A
Table 4-8: Serial Port Connector Pinouts (COM3)
4.2.7 RS -422/485 S e ria l P o rt Co n n e c to r
CN La b e l: COM4
CN Typ e :
8-pin header
CN Lo c a tio n :
See Figure 4-9
CN P in o u ts : See Table 4-9
This connector provides RS-422 or RS-485 communications.
Figure 4-9: RS-422/485 Serial Port Connector Location
Pin Description Pin Description
1 RXD485# 2 N/A
3 RXD485 4 N/A