7
FIGURE 7
MULTI
-
ZONE ONE -WAY PAGING WITH
ALL CALL (MULTIPLE TALKBACK)
PABX, CENTREX, OR C.O. LINE ACCESS
Zone 1
Station
Number
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
24
9
25
27 26
12
10
11
19
4
20
22
23
21
8 7
6
5
16
18 17
3
2
1
R
-24Vdc -
B BATTERY
PBX
-24Vdc POWER
SUPPLY
VALCOM ONE-WAY
AMPLIFIED SPEAKER
ASSEMBLIES
13
14
15
28
29
30
B GROUND (+)
T
GND
Centrex or C. O. Connecting Arrangements
From the list below, determine the arrangement being used and proceed to the Figure indicated for
instructions.
•
One Zone of One-Way Paging: Go to Figure 5.
•
Multi-Zone One-Way Paging will All Call (Multiple Talkpaths): Go to Figure 6.
•
Multi-Zone One-Way Paging (1 Talkpath): Go to Figure 8.
•
One Zone Talkback Paging: Go to Figure 7.
•
Multi-Zone Talkback Paging: Go to Figure 8.
FIGURE 6
ONE ZONE OF ONE-WAY PAGING
PABX, CENTREX, OR C.O. LINE ACCESS
V-9940 CONNECTION BLOCK
WIRING INSTRUCTIONS
Place a check by each step as it is completed.
____ 1. Connect Tip of the PABX, Centrex or C. O. Line to pin 16 and Ring to Pin 17 of the V-9940.
____ 2. Connect Tip of the Valcom one-way amplified speaker assemblies being used to the V-9940
pin 8 and Ring to pin 9.
____ 3. Connect the Ground Lead from the speaker assemblies to the power supply "B" Ground (or
"+").
____ 4. Connect the -24VDC lead from the speaker assemblies to the power supply "B" Battery (or
"-").
____ 5. Connect the output of a low level music source (optional) to pins 21 and 22.
____ 6. Dip Switch Settings:
PABX: Switch 1 must be "OFF". Turn "ON" one of switches 2 to 7 to select the length of time
the unit stays active after last sensing audio (reset timing).
SWITCH 8 MUST BE "ON".
Centrex or C. O. Line: Set Switches 1 and 8 "ON" and 2 through 7 "OFF". See section titled
"Dip Switch Settings" for additional information regarding dip switched.
____ 7. When connections are complete replace cover and lock in place using the #6 ½ inch screws
provided. Plug in power supply.
