5
16
30
1
15
Power
Reversal
Indicator
1
8
ON
OFF
Dip
Switches
FIGURE 2
LOCATION AND NUMBERING OF
PUNCHDOWN BLOCK AND DIP SWITCHES
Punchdown
Block
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
FIGURE 3 - PUNCHDOWN BLOCK PINOUTS
AUX GND TERM.
AUX -24VDC OUT TERM
ALL CALL O
U
T
MANUAL RESET
8 OHM PAGE OUT
600 OHM PAGE OUT
BREAK
STATIONARY
MAKE
of the unit
.
Provisions for mounting to a single
or double gang junction box are provided.
See Figure 5.
Open the V-9940 enclosure to allow access to
connections and option switches. Slide the rear
of the unit (contains the board) onto the
mounting plate. Lock enclosure to mounting
plate with screw provided. Make connections.
Replace cover and lock in place with #6 ½ inch
screws provided.
Power Connections
NOTE
:
Power is required for each V-9940
being used. If multiple units are used, power
for additional units may be multiplied from
pins 14 and 15 of a previous unit (pin 14 is
"+" and pin 15 is "-").
•
Unplug power supply.
•
Connect -24VDC "B" battery (may be
referred to as "-" or "signal battery") from
power supply to pin 30 on V-9940 and "B"
ground "+" or "signal" ground) from power
supply to pin 29.
•
Connect -24VDC Ground from power supply
to telephone system Ground.
Figure 4 Dip Switch Settings
•
Power
Test:
a. Plug in power supply.
b. If power reversal LED is lit:
1.
Unplug power supply.
2.
Reverse connections on pins 29, 30.
3
Repeat step 5.
•
Unplug power supply.
PABX Connecting Arrangements:
NOTE: From the list below, determine the
arrangement being used and proceed to the
Figure indicated for step-by-step
instructions.
•
One Zone of One-Way Paging: Go to
Figure 6.
•
Multi-Zone One-Way Paging with All Call
(Multiple Talkpaths): Go to Figure 7.
•
One Zone of Handsfree Paging: Go to
Figure 8.
SW
OFF
ON
1
Audio Sense
Enable
Time Out
Enable
2
Not 1 Sec.
1 Second
3
Not 64 Sec.
64 Seconds
4
Not 32 Sec.
32 Seconds
5
Not 16 Sec.
16 Seconds
6
Not 8 Sec.
8 Seconds
7
Not 4 Sec.
4 Seconds
8
Loop Detect
Disable
Loop Detect
Enable
8
7
6
5
4
3
2
1
OFF
ON
