F
u
n
c
ti
o
n
a
l E
x
p
a
n
s
io
n M
o
d
u
le F
E
M
-2
88
13. Functional Expansion Module FEM‑2
The ARRIFLEX D-21 includes the FEM-2 electronic side cover, which offers the following functions:
• LDS (Lens Data System).
Motor drivers for up to three
•
CLM-2 motors.
Two
•
LCS bus interfaces for CLM-1 motors, WHA-2, WHA-3 and ZMU-3.
• LDD (Lens Data Display) interface.
• ACC interface for ESU-1.
• CCU interface (RS 232) for connection of electronic accessories, such as WRC-2 or the Cine Tape Measure System.
• URM port for optional URM-3 to enable wireless lens- and camera control.
LDD socket
Lens motor status LED
CLM-2 direction switch
LCS bus sockets
ACC socket
CCU socket
Battery compartment
URM port
Channel selection switch
Radio status RDY LED
LDS status LED
CLM-2 plug-in module
