VoiceLift System • Features and Operation
21
Receiver Dome and Base Plate
The tinted sensor dome filters ambient light, but lets the IR signals from the microphone
pass through to the sensors. The dome is attached to the receiver base plate by four tabs
that are inserted into slots on the base plate.
O
N
1
2
CTS-2
MIX
TONE
RS-232
AUX IN
CTC
+
RLY
Tx
IN
Rx
C
NO
OUT
IN
1
2
3
4
5
6
7
8
Figure 22.
VLR 102 Receiver Base Plate
a
Input (In) port
— If using a VLR 102SR Secondary Receiver, connect a shielded
twisted pair (STP) cable from this RJ-45 connector to the Out port of the VLR 102SR.
NOTE:
The maximum cable distance between the receiver and a secondary
receiver or between two secondary receivers is 100 feet (30.4 m); the
minimum distance is 5 feet (1.5 m). Total cable length in the system should
not exceed 300 feet (91.4 m).
b
Output (Out) port
— Connect an STP cable from this RJ-45 connector to the
PoleVault switcher to provide the following:
•
Power from the switcher to the receiver
•
Communication with the PoleVault switcher to pass on carrier detection, relay,
and contact closure information
•
Output of a balanced -10 dBV line level audio signal
NOTE:
The maximum cable distance between the receiver and a secondary
receiver or between two secondary receivers is 100 feet (30.4 m); the
minimum distance is 5 feet (1.5 m). Total cable length in the system should
not exceed 300 feet (91.4 m).