5
4. NOMENCLATURE AND FUNCTIONS
[Front]
1 2 3 4 5
6
1. Reset key [RESET]
Pressing this key reactivates this unit.
2. LNK/ACT indicator [LNK/ACT] (Green)
Lights when connected to a network, and flashes
while transmitting or receiving data.
3. Status indicator [STATUS] (Red)
Continuously lights while data is written to an
internal storage medium (FlashMemory).
Flashes if there is a failure.
4. Power indicator [POWER] (Green)
Lights when power is supplied to the unit.
5. MAC address
This is the address* used by the unit. Since the
relationship of each exchange location to its MAC
address is established when setting the network
attributes, keep track of this relationship for later
use.
* The inherent address assigned to each network
component, expressed in 12-digit hexadecimal
notation.
6. Channel status indicator [CHANNEL] (Green)
Lights when the contact output is ON.
[Rear]
8
10
9
7
11
12
7. Cord clamp
Pass the power cord through this clamp to ensure
that the plug does not pull out when the unit is
mounted to a wall. (Refer to p. 8.)
8. Functional earth terminal [SIGNAL GND]
Ground this terminal.
Note: This terminal is not for protective earth.
9. AC inlet
Connect the supplied power cord.
Note
If there is a danger of lightning strikes, insert an
appropriate surge arrester into the power line.
10. Contact input terminals [CONTACT INPUT]
No-voltage make contact inputs.
Short-circuit current: under 5 mA, Open-circuit
voltage: 24 V
Connect using a removable terminal plug.
(Refer to p. 9.)
11. Contact output terminals
[CONTACT OUTPUT]
Relay contact outputs.
Withstand voltage: 24 V DC, Control current: 2 –
500 mA
Connect using a removable terminal plug.
(Refer to p. 9.)
12. Network connection terminal [10/100M]
Connects to a 10BASE-T- or 100BASE-TX-
compatible network. (Ethernet RJ-45 jack)
This device is a Class I product.
Connect the supplied power cord only to the AC outlet with a ground terminal. Doing otherwise may result
in electric shock.
