Matrix Orbital LK162-12 Legacy - Manual (Page 13)

LK162-12 rev 4 13
8 bits, no parity, 1 stop bit.
2.1.4 DB9 Connection
A standard DB-9F is provided for RS-232 communications. Power may also be supplied via this connector if
desired. See Figure 2-7 for pin connections.
Figure 2-7 RS-232 and power connector
Pin Number Direction Description LCD Host
2 Data from LCD Data out (LCD) Tx Rx
3 Data to LCD Data in (LCD) Rx Tx
5 - Ground gnd gnd
2.1.5 Alternate Serial Connection
An optional alternate connection header is provided to allow one cable for data and power. Two jumpers will
have to be soldered and two removed.
Connector pinout is as follows: