
Clear-Com Communication Systems Page 58 of 100
Tempest 2400 Wireless Intercom System
Rear Panel Left
1- AC Power Input Connector
The IEC AC Power Input Connector accepts the AC power cord. Use this connector with the supplied AC
power cord to power the Tempest base station from AC power between 85 and 260 VAC at 50 – 60
Hertz. The base station will draw approximately 15 Watts (125mA at 120VAC, 65mA at 230VAC)
2- DC Power Input Connector
The DC Power Input Connector accepts a Switchcraft S760 2.1mm x 5.5mm power plug wired as center
positive. Use this connector with a user-supplied cable to power the Tempest base station from DC power
(battery) between 11 and 32 VDC. The base station will draw approximately 12 Watts (990 mA at
12VDC).
3- Antenna Connector
The Antenna Connector is used to connect one of the two antennas to the Tempest base station. The
Antenna Connector is an RP-TNC (Reverse Polarized-TNC) connector. 50 Ohm RF cables used to
connect to this Antenna Connector must be properly terminated with mating RP-TNC connectors. When
using the 2.4GHz base station it is important to ensure that both antennas are connected to ensure
proper system operation.
4- Intercom Channel A/B/C/D Connectors
The Intercom Channel connectors (A, B, C, D) allow the user to connect the Tempest base station to 2-
Wire external intercom systems or other Tempest base stations. The XLR-3M/F 2-Wire intercom
connectors interface with Clear-Com, RTS, Balanced and other compatible intercom systems. The pairs
of XLR3-M and XLR-3F are electrically identical.
5- RJ-45 4-Wire Intercom A/B/C/D Connectors
The RJ-45 4-Wire Intercom connectors (A/B/C/D) interface with 4-Wire intercom systems and devices
including Clear-Com matrix systems. This is an intercom audio-only connector and does not support data
transfer. The connector is balanced and transformer isolated. Nominal line level is -4 to +8 dBu.
Rear Panel Right
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