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2.2.2
Power Supply and Power Cable Setup
The TM-77X cameras require a100-240V AC/12V DC 1.3A universal voltage power supply with a US plug. The JAI
cable for this series of cameras is part number is 15P-02-9P-FULL or 15P-02-9P, and the power supply is PD-
12UU.
JAI, Inc. Power Cables
If you are using JAI, Inc. power cables please refer to the pin-out diagram. The color coded leads use Grey for
Ground and Yellow for +12V DC.
Pin
Description
1
+12V
2
Video Out
3
_12V_Iris
4
Lens Cont 1
5
Lens Cont 2
Note: Make sure that the unused leads are not touching and that there is no possibility that the leads could
short due to exposed wires.
2.2.3
Attaching the Camera Lens
The TM-77X camera accepts 1/3" or larger format size C-mount lenses. To attach the C-mount lens to the
camera, carefully engage the threads and rotate the lens clockwise until it firmly seats on the mounting ring.
Do not force the lens if it does not seat properly. Please note that some lenses with extremely long flangebacks
may exceed the mounting depth of the camera.
2.2.4
Adjustable Back-Focus
Before cameras are shipped, back focus is carefully set using a collimator, oscilloscope and other specialized
equipment. While the factory-set focus serves well in most cases, an adjustable back focus makes it possible to
improve image sharpness when using lower-cost zoom lenses, custom optics, or in unusual parameters.
There should be an obvious need to refocus the lens before attempting to change the back focus. This is an
exacting task. Some cameras have been returned to the factory to reset the back focus after failed attempts to
change the focus by customers. It is wise to label cameras whose back focus was adjusted.
1.
The camera must be connected to a monitor before attempting to adjust the back focus.
2.
To back focus the camera, first attach a C-mount lens in the mount. Be certain that the lens is properly
seated.
3.
Next set the lens focus to infinity (if the lens has a manual iris, set the iris to a high f number while still
retaining a well illuminated image).
4.
Loosen the three miniature hex set-screws (use a 0.9 mm hex wrench) that lock the focus ring in place.
Slowly turn the lens and focus ring assembly back and forth until you obtain the best image of the desired
object. This sets the back focus. Once the best image is obtained, tighten the focus ring set-screws until
they are snug. Do not over-tighten the screws.
Note: Mini-bayonet cameras adapted to C-mount do not have the back focus feature.
TM-77X Series
Pin
Description
6
+12C_Rtn
7
GND
8
Lens Cont 3
9
RX In
10
GND
Hardware Installation
Pin
Description
11
Auto Iris
12
Integrate
13
Ext HD
14
Ext VD/ Multi-function
15
TX Out
15
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