Hardware manual

Issue 8 Electra Elite
5 - 74 Installing Electronic Telephone Units
The DP-D-1A Doorphone that is connected to the ETU
has the following dimensions:
Height: 5.125 in. 130.18 mm
Width: 3.875 in. 98.43 mm
Depth: 1.00 in. 25.4 mm
5.2.3 Switch Settings
Refer to Table 5-31 DPH(4)-U( ) Default Jumper Settings.
5.2.4 LED Indications
Live LED indications are listed below.
Blinking Red Normal Operation
Steady Red Operation Stopped (power On)
Off No Power
LED 1 indication are listed below.
Steady Red A Circuit Is Busy
Off All Circuits Are Idle
Table 5-31 DPH(4)-U( ) Default Jumper Settings
Jumper Setting Description
S101 Shorted Remove short bar to increase DP1
and DP3 volume by 6 dB.
S201 Shorted Remove short bar to increase DP2
and DP4 volume by 6 dB.
S102 Shorted Remove short bar to increase DP1
and DP3 transmit volume by 6 dB.
S202 Shorted Remove short bar to increase DP2
and DP4 transmit volume by 6 dB.