22
(7) *COM1/COM2/COPM3/COM4 (9-pin): Serial Port Headers
KEY
RTS
GND
SIN
DTR
CTS
SOUT
Pin 1
6
RI
DSR
DCD
*Note: COM1 header is optional for NF9KV Series.
(8) J2 (7-pin): PWRLED Header & Speaker Header
KEY
NC
SPK-
NC
Pin 1
2
PWRLE D+
SP K+
P WRLED-
PWRLE D-