Installation of Auto Iris Lens Connector
Install the lens connector (YFE4191J100) when using a
video drive ALC lens.
The installation should be made by qualified ser-
vice personnel or system installers.
(1) Cut the iris control cable at the edge of the lens
connector to remove the existing lens connector
and then remove the outer cable cover as shown
in the diagram below.
The pin assignment of the lens connector is as fol-
lows:
Pin 1: Power source; +9V DC, 50mA max.
Pin 2: Not used
Pin 3: Video signal; 1.3 V[p-p]/40 kΩ
Pin 4: Shield, ground
Pin 3
Pin 1
Rib
Pin 4
Pin 2
-12-
(2) After connection, assemble the lens connector as
follows.
Connector
Cover
Heat
Shrinkable
Tubes
Connector
Note: When the iris control cable is too thick to
lock the connector cover with the connector
base, cut off the rib on the connector.
(Set the Lens Drive Signal Selector to the
VIDEO position.)
Automatic
Iris Lens
Iris Control
Cable