
Communications Systems - PVA-1KS Call station key switch 2 | 3
Notice
Connect the key switch as shown in the follow-
ing figure (normally closed contact, NCC) to
lock the call station via the key switch!
8. Note the connection sequence of the ribbon
cable. The two external cables 1 (red) and 4
(green) must be cut as close to the cut-off point
as possible and isolated. The two internal cables 2
(green) and 3 (green) must be soldered to switch
connections 3 and 4. The polarity is not important.
9. Depending on whether the right/middle/left in-
stallation location will be used, plug the ribbon
cable into plug connector CN201/CN202/CN203
on the circuit board.
10. Plug the connecting cable into CN1 again.
11. Re-attach the call station baseplate.
12. Attach the connections.
13. Configure the key switch in IRIS-Net.
R2
10k
1 rt
2 gr
3 gr
4 gr
CN1-4
CN1-3
CN1-2
CN1-1
1
2R1
10k
3
4
Fig.1:
Connecting the key switch as normally closed
contact (NCC) for key lock function
R2
10k
1 rt
2 gr
3 gr
4 gr
CN1-4
CN1-3
CN1-2
CN1-1
1
2R1
10k
3
4
Fig.2:
Connecting the key switch as normally open
contact (NOC) for special purposes
Parts included
Quantity Component
1Key switch
1Preconfigured 4-pin connecting cable
2Resistor 10 kΩ
1Installation note
Technical specifications
Mechanical
Product dimensions (Height x Width
x Depth)
45mm x 19mm x 24mm
Net weight 0.03kg
Shipping weight 0.04kg
Environmental
Operating temperature -5°C to +45°C (+23°F to +113°F)
Storage and transport temperature -25°C to +70°C (-13°F to +158°F)
Humidity (non-condensing) 5% to 90%
Altitude Up to 2000 m
Ordering information
PVA-1KS Call station key switch
Optional key switch that can be installed in the
PVA-15CST Call station.
Order number PVA-1KS | F.01U.397.468 F.01U.312.984
Services
EWE-PAIOCS-IW 12 mths wrty ext. Plena all-in-1 cal
12 months warranty extension
Order number EWE-PAIOCS-IW | F.01U.360.713