Toa N-8000 Series Ver.1.41 - Manual (Page 126)

3-30
Chapter 3: INSTALLATION & WIRING
4.4.2. N-8540DS connection
To network
To AC mains
+24 V DC
GND
+ -
N-8540DS rear
External
power supply
Relay
Diode
H C
LAN
Frame ground
1
2
3
Ground from the frame ground
when the switch box is not grounded.
1. AC adapter terminal connection
Connect the AC adapter*.
* Use the AC adapter AD-1210P (optional) or the
equivalent.
As for the usable adapter, consult your TOA
dealer.
2. Contact output terminal connection
An external relay can be connected as illustrated
above.
(Refer to
p. 3-32 , Terminal plug connection.)
[Specification of contact output]
Open collector output
Withstand voltage: Max. 30 V DC,
Control current:
Max. 50 mA
3. Network connection terminal connection
Can be connected to a network of 10BASE-
T/100BASE-TX in auto-sensing.
Connecting the station to a PoE (Power over
Ethernet) switching hub compliant with
IEEE802.3af eliminates the need for an AC
adapter. (For connection, refer to the instruction
manual supplied with the switching hub.)
Use a straight through cable of UTP category 5 or
more for this connection.
Install the ferrite clamp (supplied with the N-
8540DS) on the network cable.
Ferrite clamp
(supplied with the N-8540DS)
Cable