Hardware manual
Electra Elite Issue 8
System Hardware Manual 5 - 75
5.2.5 Connectors
The DPH(4)-U( ) ETU has three connectors:
CN1 Connects to the Backboard
Relay Connections Provided at the
MDF
Doorphone Connections Provided at the
MDF Connection
5.2.6 Specifications
Relay contacts are 24 Vdc at 500 mA
Figure 5-41 DPH(4)-U( ) ETU Doorphone Connections
T
R
T
R
T
R
T
R
DPH 1
DPH 2
DPH 3
DPH 4
MDF
Doorphone
Doorphone
Doorphone
Doorphone