Optional Module Installation | Installation |
2.9 Optional Module Installation
WARNING! Disconnect all sources of power (AC and DC) before installing or removing any modules or wiring.
Removal of the keypad/display is normally not necessary. If, however, it becomes necessary to replace the keypad/display or access jumpers JP5 and JP7 or switch SW1, the Keypad/Display can be removed by inserting a Phillips screwdriver into each of the three holes located in the flexible covering of the Keypad/Display and loosening the three mounting screws. Note that it is not necessary to disconnect the cables between the Keypad/Display and the main circuit board unless the unit itself is being replaced. Carefully lift the Keypad/Display and rest the unit at the bottom of the main circuit board.
Mounting Screw Access Hole
| TB1 |
| TB2 | TB3 | TB4 | TB7 | NC C | TB5 |
| TB6 | TB8 | OUT+ IN+ OUT- IN- | TB9 | ACS | TB10SLC | SLC | SLC SLC | SHIELD | |
JP4 |
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| NO NC C | NO NC C |
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| B+ | A+ B- A- | A B | |||||
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1 | + 24V- | + 24V- | + - | B+ A+ A- B- | B+ A+ A- B- |
| RELAY3 |
| RELAY 1 | RELAY2 |
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2 |
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3 | RST | REMOTEPWR | 1B+ 3B+ 3B- 1B- | 2B+ 4B+ 4B- 2B- |
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POWER POWER | SUPPLYSYNC | NAC 1 CLASS A | NAC 2 CLASS A |
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| JP6 | NAC 1 &3 CLASSB NAC 2 &4 CLASSB |
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| JP2 |
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| JP1 |
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| 4XTMF |
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| DISABLE GND. FLT. |
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| J6 |
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| 1 | 2 | 3 |
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| J5 |
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| JP7 |
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| JP3 |
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| CUT TO |
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| MONITOR |
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| 4XTMF |
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J7
J11
CAUTION! VOLTAGE HIGH 
1 TRANSFORMER 2 TRANSFORMER
J10
HOT EARTH
DISPLAY | KEYPAD |
J4 | I/F |
| J3 |
J9 |
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- + | MINI DIN |
BATTERY | KEYBOARD CONN. |
KISSOFF
PRI. ACTIVE | SEC. ACTIVE | |
J13 |
| J12 |
PRI. PHONE LINE | SEC. PHONE LINE | |
Mounting Screw Access Holes
96dact1.cdr
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