Page 10 of 24
individual relay. Use the supplied cable relief brackets to
fix the cables with a cable tie to prevent accidental
disconnection of the cables. See section Mount cable
relief bracket and covers on page 6.
If you want to connect and switch AC power for your
external equipment in an easy and convenient way use
the Neets IEC Mains Adaptor (306-0015) (sold
separately) instead of the terminal block and cable relief
brackets.
RS-232/IR ports
The onboard RS-232 ports (T1, R1, T2, R2) can be used for one- or two-way communication. Both
of the RS-232/IR ports can be used as either as RS-232 or as IR emitter.
On the front of the Relay – 8 you will find 2 led for each RS232/IR port. When the Relay – 8 is
sending data on a RS232/IR port it’s green tx led will light. When the Relay – 8 is receiving RS232
data the orange rx led will light.
Digital I/O
The Relay – 8 has 8 x I/O (Inputs/Outputs) available. They
can be used for an external control keypad, PIR
(movement) sensor, keyboard lock, extra relays, or other
compatible uses. The ports are not potential free; you
may need external relays if you need to prevent ground
loops.
Neets IEC Mains Adaptor
When used as single IR port:
Connect the IR emitter to
T1 (white striped wire) and
GND, as shown above.
When used as RS-232
transmit port: Connect the
device to T1, R1 and GND,
as shown here above.
When used as dual IR port:
Connect the IR 1 emitter to
T1 (white striped wire) and
black wire on IR 1 emitter to
IR 2 emitter (white striped
wire), and black wire from IR
2 emitter to GND, as shown
above.
LAN
PN: 306-0014 www.neets.dk
Control
Relay
100-240VAC
Power
Relay
47-63Hz, 12W
RS-232/IR
G
T2
R2
G
T1
R1
I/O 24V/500mA
G
5
8
6
7
G
1
4
2
3
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
Relay 1
Relay 8
Relay 5
Relay 4
Relay 2
Relay 3
Relay 6
Relay 7
LAN
LAN
PN: 306-0014 www.neets.dk
Control
Relay
100-240VAC
Power
Relay
47-63Hz, 12W
RS-232/IR
G
T2
R2
G
T1
R1
I/O 24V/500mA
G
5
8
6
7
G
1
4
2
3
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
Relay 1
Relay 8
Relay 5
Relay 4
Relay 2
Relay 3
Relay 6
Relay 7
LAN
LAN
PN: 306-0014 www.neets.dk
Control
Relay
100-240VAC
Power
Relay
47-63Hz, 12W
RS-232/IR
G
T2
R2
G
T1
R1
I/O 24V/500mA
G
5
8
6
7
G
1
4
2
3
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
Relay 1
Relay 8
Relay 5
Relay 4
Relay 2
Relay 3
Relay 6
Relay 7
LAN
IR-Emitter
IR 1 Emitter
IR 2 Emitter
LAN
PN: 306-0014 www.neets.dk
Control
Relay
100-240VAC
Power
Relay
47-63Hz, 12W
RS-232/IR
G
T2
R2
G
T1
R1
I/O 24V/500mA
G
5
8
6
7
G
1
4
2
3
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
Relay 1
Relay 8
Relay 5
Relay 4
Relay 2
Relay 3
Relay 6
Relay 7
LAN
