8channel output:

M2 P0.1
OCDCK P0.2
M0 P0.3
M1 P0.4
RS485_DIR P0.5
TXD P0.6
RXD P0.7
SHCP P1.1
STCP P1.2
OE P1.3
DS P1.4
OCDDA P1.6
RESET P2.0

LC Relays:

S1 P0.0
RED P0.1
OCDCK P0.2
BLUE P0.3
GREEN P0.4
TXD P0.6
RXD P0.7
S2 P1.0
RELAY1 P1.2
RELAY2 P1.5
OCDDA P1.6
RESET P2.0

2 Relays RS485

RELAY2 P0.1
OCDCK P0.2
IN1 P0.5
TXD P0.6
RXD P0.7
RELAY1 P1.3
RS485_DIR P1.4
IN2 P1.5
OCDDA P1.6
RESET P2.0

4 Relays RS485

RELAY1 P0.0
OCDCK P0.2
IN3 P0.3
IN4 P0.4
TXD P0.6
RXD P0.7
RELAY3 P1.1
RELAY2 P1.2
RELAY4 P1.0
RS485_DIR P1.5
OCDDA P1.6
IN2 P1.7
RESET P2.0
IN1 P3.0