Aiphone JB-2MED - Manual (Page 6)

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Wiring English
Securely insert wires into each terminal as shown.
1. Master monitor station JB-2MD or JB-2MED
2. Sub monitor station JB-2HD or sub station JA-2SD
3. Video entrance station
4. Video or audio entrance station
5. Power supply +, - (DC 18 V)
6. Optional door release EL-9S (AC 12 V, 0.35 A) or
equivalent, requires a separate AC transformer. Run
separate cables for the audio/video and door release.
Door release contact: AC/DC 24 V, 0.5 A (dry closure
contact L, L).
7. Optional call extension speaker IER-2
8. Impedance matching switch
Terminate farthest sub station by putting SW in ON
position. Otherwise both video and audio may become
distorted.
9. Optional selective door release adaptor RY-3DL Use RY-
3DL when connecting a door release for 2 locations.
10
.
Sensor (locally available)
Use outer equipment (sensor, etc) with dry-closure
contacts.
For details, please contact your local distributor.
. JB-2MED only.
NP: Non-polarized