Camera Layout 19
8.1 Camera Rear Connectors
1
ETH Connector
2
EXT Connector
3
RS Connector
4
12V Connector
5
AUDIO Connector
6
White Radio Antenna Connector
7
TC Connector
8
SDI Outputs
9
SYNC IN Connector
10
BAT Connector
ETH (10-pin LEMO)
The Ethernet connector is used for camera remote control and service purposes. It supplies regulated
24 V with a current of 0.5 A. Use the ALEXA Ethernet Cable KC 153-S (K2.72021.0) to connect the
camera to a standard RJ-45 Ethernet port.
Note: The ALEXA Remote Control Unit RCU-4 cannot be used with the Ethernet connector of the
ALEXA Mini LF.
EXT (7-pin LEMO)
The EXT connector is a multi-pin accessory connector for camera synchronization and communication
with various accessories, carrying two CAN buses and supplying regulated 24 V accessory power with
a current of 1.0 A. With external adapter EXT-RS (K2.0006170), RS functionality (remote start/stop) is
supported.
RS (3-pin Fischer)
The RS connector outputs regulated 24 V accessory power and can supply external devices with a load
of up to 3.0 A. Besides powering accessories, the RS connector also carries a shutter pulse signal and
can be used to send a remote start/stop signal to the camera.
12V (2-pin LEMO)
The 12 V output with a 2-pin LEMO connector supplies accessories with regulated 12 V with a current
of 1.0 A.
AUDIO (6-pin LEMO)
The audio connector is a 2-channel +24 dBu line level audio input with an additional regulated 12 V
power output with a current of 0.5 A. Use the ALEXA Mini LF Audio connector with cable (K2.0023988)
to connect audio sources.
White Radio Antenna Connector (Female RP-SMA)
White radio allows for wireless lens control, lens data communication and remote control of basic
camera functions using the wireless hand units of the ARRI Electronic Control System.
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