PagePac
®
by
PagePac Plus AmpliCenter
V-5328020/V-5328100/V-5328300
ISSUE 2
Installation and Use
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Installation Steps
FRONT DETAIL
1.750
TYPICAL
AmpliCenter D300
PagePac Plus
R
POWER STRIP
REAR DETAIL
COMBINATION
PAN HEAD
PILOT POINT
# 10 - 32 (TYPICAL)
19''
AmpliCenter D300
PagePac Plus
R
Note: If installed next to other
equipment, including the
PagePac Plus Contr ol ler and
Zone Expansion Units, leave
at least four inches space
above and below for proper
ventilation.
1. Mount the PagePac® Plus AmpliCenter to either the wall
(Figure 1), cabinet, or a 19 inch rack (Figure 2).
SIDE VIEW
105 - 120 VAC
210 - 240 VAC
50 - 60 Hz
Figure 1. Wall Mounted Hardware
Figure 2. Rack Mounted Hardware
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Note: The optional audio
background music source can be
a CD or tape player, AM, FM, or
commercia l radio, or oth er audio
device.
Note: If more than one speaker cable
is routed to the AmpliCenter, a
connector block is necessary.
Refer to sample wiring diagrams on
page 8. It is recommended that
22GA shielded wire be used.
2. Connect music input wires to Left, Right, and Ground terminals, if stereo, or Left
and Ground, if not (see Figure 3).
Figure 3. Music Input Connections on AmpliCenter
3. Hookup speaker cable to AmpliCenter (see Figure 4).
DO NOT hook up speaker wires with AmpliCenter power plug connected!
Figure 4. Speaker Connection on AmpliCenter
4. Connect host telephone system to Amplicenter (see Figure 5).
5. Set the AmpliCenter Telephone Mode Selection Switch (see Figure 6) to match the
page output type of your telephone system.
6. Insert power cord into AmpliCenter and into wall outlet (see Figure 7).
7. T est paging zone served by the Am pliCenter by di aling paging t elephone exte nsion
or use micr ophone.
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Note: Connect the 4-wire RJ-11
type plug (used with telephones) t o
the Page Input connector (far
right), or use the Page in
terminals.
Use Tip an d Ring if installing to an existing paging system (low voltage output), VOX activated.
Use Tip and Ring if connecting to
a Loop Start or Ground Start
interface port in host telephone
system.
With a microphone, hook the mic switch to C1 and Grd, a nd the mic output to Tip and Ring.
AM PLICENTER BACK PANEL
105 -120 V A C
210 -2 0 V A C
4
50 -6 0 H z
0dBm
OUT
MIC SWITCH
MIC OUTPUT
EXISTING PAGING AM PLIFIER,
LOW VOLTAGE OUTPUTTO
TIP and RING
TO
CON TRO LLER
UNIT
LOW FREQ
CUT-O FF
70V OUT PAG E IN
GROUND
GROUND
C1
MUSICIN
LEFT
RING
GROUND
TIP
RIGHT
PAGEVOX
INPUTLEVEL
DUCKING
USE
TERM INA LS or CON N E CTOR
PAG E-IN
OPTIONS
TIP AND RING FROM
LOOP STARTO R GR OU ND
STARTPOR T
PAGEACCESSED
Figure 5. Host Telephone System Connection
PAG E
IN P U T
TIP
RING
C1
GND
LOOPSTART
GROUNDSTART
DRYLOOPHIZ
DRYLOOP600OHMS
UNBALANCEDOUTPUT
OVERLOAD
POWER
HOST
TELEPHO NE
SYSTEM
Note: Do not use extension cords or plug into locally, “safety-fused” outlets.
Figure 6. Telephone Mode Switch Setting
105 - 120 VAC
210 - 2 0 VAC
4
50 - 60 Hz
6 FOOT
POW ER CABLE
PAGE IN
Figure 7. Power Cable
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Note: If no page is heard, refer to the troublesho oting Guidelines.
8. Adjust sound levels using AmpliCenter controls, if necessary.
Using a small standard screwdriver, make the following adjustments (see Figure 8).
Figure 8. Test Page Adjustments
1. Adjust the Low Frequency Cut Off control. This control cuts out the low
frequency bass so that horns and small speakers are not over-driven and
distorted by excessive bass ener gy . Cut off frequency is cont inuously adjustabl e
from 50 Hz (full CCW rotation) to 400 Hz
(full CW rotation).
2. The Page VOX (voice activation) sensitivity is turned fully counterclockwise if the Dry Loop feature is not used.
3. Adjust Music Input Level. Clockwise rotation will increase the level. Listen and set
to a comfortable level.
4. Using a telephone from the host system, dial the paging extension.
Speak into the telephone in a normal manner. Your voice should be
heard from all connected speakers. the AmpliCenter Page input has an automatic
level control (ALC) which keeps loud voices and normal voices out put at the same
level. Beware of paging from a telephone directly
under a loudspeaker; feedback howl can occur. (A feedback eliminator will solve
this problem).
5. Readjust Music input level to the desired loudness relative to P aging loudness.
6. Some loudspeaker taps may have to be readjusted to get even
coverage at all locations. be sure that the final speaker tap setting
totals do not exceed the power rating of the AmpliCenter.
7. Adjust Music Ducking level. this feature allows music to continue to be heard
during a Page, but at a reduced level. The range is from less than
40 dB (full CCW) to -6 dB (full CCW). If music-in is not connected, set to
full CCW.
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Troubleshooting
Table 1. Troubleshooting Table
Problem Corrective Action
Some common problems encountered when the paging system is not operating are
described below. Check each item in the order listed.
1. No AC power to AmpliCenter.
2. Host telephone syst em fai l ure .
3. Host system page port failure.
®
4. A hardwire disconnect between host system and PagePac
Plus.
5. AmpliCenter switch settings tampered with. If the problem has not been resolved by checking the preceding items, follow the
steps described in Table 1.
Page access from telephone system wo rki ng, but pag e is
not heard.
Background music cannot be heard. Input level not set correctly. Adjust music input level on A m pl iCenter.
Distorted, garbled, or raspy sound from all speakers
connected to AmpliCen ter.
Green power LED off. AC outlet receptacle is not live. Check outlet circuit breaker or use another
No power to AmpliCenter.
Host system not passing call through to AmpliCe nt er.
Telephone mode selection switch not set correctly for ho st tele phone
system.
Ground start - Tip and Ring reversed or AmpliCe nt er not grounded.
Audio signal not reaching spea kers. Check wiring at AmpliCe nt er. Verify
Page Accessed LED is on.
No power to music source. Verify power is on.
Radio off station. Adjust tuner.
Music input wires crossed, with signal grou nde d out.
Short circuited speaker lead s. Sep arate.
Music input level too high. Turn down.
Speaker transformer short ed . Re pl ac e.
Failed AmpliCenter. Return for repair.
outlet.
Power cord is loose.
Failed AmpliCenter. Return for repair.
Page access LED won’t go off. Page VOX too sensitive. Adjust.
Cl lead is grounded. If loop start or gro und start, check that only 2 wires
(Tip and Ring) are connected by the mod ula r plug cord.
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Controls and Indicators, Terminals and Connectors
Figure 9 shows the controls and indicators, terminals and connectors on the rear
panel of the AmpliCenter. Table 2 identifi es th em by function.
AM PLICENTER
105 - 120 V A C
210 - 240 V A C
50 - 60 H z
0 dBm
OUT
T
O
CONTROLLER
UNI
T
L
OW FREQ
CUT-OFF
70V OU
+
MUSIC I
PAGING IN
T
C
1
GROUND
GROUND
-
N
TIP
RING
RIGHT
LEFT
GROUND
INPU T LEVEL
OVERLOAD
PAGE VOX
DUCKING
PAGE ACCESSED
UNBALANCED OUTP UT
PAGE
INPUT
GND
LOOP START
DRY LOOP HI Z
DRY LOOP 600 OHMS
GROUND START
POWER
Figure 9. AmpliCenter Controls and Indicators, Terminals and Connectors
Table 2. Controls and Indicators, Terminals and Connectors
AC Power in: 105 - 120 VAC, 210-240 VAC, 5OW Hz , (v oltage auto-selectable within uni t).
1.
0 dBm out, an auxiliary output that differs from the main 70. 7 V output in that it is a low level
2.
(0 dB), 600 ohm balanced output used for driving a remote or off-premises amplifier.
DC Power , and 70V audio out to Controller (used only if Controller is also installed).
3.
Low frequency cut-off screw-typ e a dju stm e nt po t. A ttenuates low frequencies so that horns an d sma l l
4.
speakers are not overdriven by excessive bass energy. Cut off frequency is adjustable from 50 Hz (full
CCW) to 400 Hz (full CCW).
Music In: left and/or right cha nne ls w i th gr ound.
5.
Paging In: redundant pagi ng in put (ground, C1, tip, and ring).
70V Out: Balanced output used for terminating the lo udspeaker wi r ing.
C1
RING
TIP
Screw adjustable potentiometers: VOX sensitivity level, Music ducking (mute level for music during
6.
voice page). Music level for various music sources.
LEDs: Green - power on, lights when A C line voltage is applied to AmpliCenter.
7.
Red - overload, li g hts when the AmpliCenter output exceeds its output pow er rating. This
can occur when total speaker load is greater than the output rating, or when speaker wiring
is shorted.
Red - unbalanced output, indicates when one speaker lead is accidentally shorted to ground.
Green - page accessed, lights when voice paging is active.
Telephone system mode switch: dry loop 600 ohms, dry loop Hi Z, ground start, or loop start.
8.
Page input from host telephon e syst em or Controller RJ11 connector: paging audio and c ont rol .
9.
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Connecting Speakers
R66B
R66B
SPEAKERS
66-TYPE
CONNECTION
BLOCK
HOME RUN METHOD
TWO
WIRES
TWO
WIRES
TWO
WIRES
SPEAKER TO SPEAKER METHOD
SPEAKERS
AMPLICENTER
AMPLICENTER
AmpliCenter D3 00
PagePac Plus
R
AmpliCenter D3 00
PagePac Plus
R
Note: If paging zones us e the
talkback feature (available only
when used with PagePac
Controller), cabling must be
shielded and grounded at the
AmpliCenter connector, not the
speaker. Maximum 2 speakers per
zone with talkback.
®
Plus
1. Locate and mount all speakers in accordance with the floor plan drawing for this installation.
2. Connect each speaker to the appropriate home run or speaker-to-speaker wiring
scheme as shown on the wiring plan (see Figure 10).
3. Test speaker wiring for short circuits.
Measure the resistance of each home run wire run with an ohmmeter. Any pair
indicating a value of less than 15 ohms must be rechecked for possible shorted
wiring or speakers. Correct any problems and retest.
Figure 10. Speaker Run Methods
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Example System Setups
Figure 11 illustrates the interconnection between the AmpliCenter and the
Controller, if used. Figure 12 illustrates the interconnection of two or more
AmpliCenters.
Note: If the AmpliCenter is us ed
with the PagePac
®
Plus
Controller, refer to the
Controller Installa tio n an d Use
Guide for detailed instructions.
AM PLICEN TER
RS-232 TO PC
(O P T IO N A L )
105 - 120 VAC
4
210 - 2 0 VAC
50 - 60 Hz
ZONE CONNECTOR (1-8):
70V AUDIO OUT,AND CO NTROL
SIGN ALIN orOU T.
PAG EIN
POW ER and70V
AUD IO TO
CONTROLLER
FROM AMP
0dBu N.B.AATOAM P
TOZ.E.U. 0dBm
POW ER,CONTROL,and70V AUDIO
toZO NE EXPANSION UNITS,IF ANY
TELEM ODE SELECT TO TEL SYS
CONTROLLER
SETMODESWITCH
TO DRYLOOP600OHM
IN T E R F A C E T O
TELEPHONE SYSTEM
Figure 11. AmpliCenter Interface with PagePac Plus Controller
FIRST AMPLICENTER
105 - 120 VAC
210 - 240 VAC
50 - 60 Hz
AC POWER
CONNECTION
PAGING
CONNECTION
NEXT AMPLICENTER
TO
PAGING IN
MUSIC IN
70V OUT
CONTROLLER
0 dBm
UNIT
OUT
LOW FREQ
CUT-OFF
+
C1
TIP
RING
LEFT
RIGHT
GROUND
GROUND-GROUND
INPUT LEVEL
TO SPEAKERS
PAGE
INPUT
C1
TIP
GND
RING
LOOP START
DRY LOOP HI Z
GROUND START
DRY LOOP 600 OHMS
DUCKING
OVERLOAD
PAGE VOX
POWER
PAGE ACCESSED
UNBALANCED OUTPUT
TO HOST TEL.
SYSTEM
MUSIC
INPUT
TO HOST TEL.
SYSTEM
(USE EITHER
METHOD)
NEXT AMPLICENTER
105 - 120 VAC
210 - 240 VAC
50 - 60 Hz
AC POWER
CONNECTION
TO NEXT
AMPLICENTER
TO
PAGING IN
MUSIC IN
70V OUT
CONTROLLER
0 dBm
UNIT
OUT
LOW FREQ
CUT-OFF
+
C1
TIP
RING
LEFT
RIGHT
GROUND
GROUND-GROUND
DUCKING
INPUT LEVEL
TO SPEAKERS
Figure 12. Series AmpliCenter Without Controller
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MUSIC
PAGE
INPUT
C1
TIP
GND
RING
LOOP START
DRY LOOP HI Z
GROUND START
DRY LOOP 600 OHMS
OVERLOAD
PAGE VOX
POWER
PAGE ACCESSED
UNBALANCED OUTPUT
INPUT
SET TO
DRY LOOP
600
9
The Dry Loop 600 Ohm is a four wire interface consisting of a dry audio pair with a 600
Ohm impedance and a control pair . The p age input is activated when the con trol pair receives
a contact closure from the host equipment, connecting Cl to ground. The Dry Loop page
input can also be activated by the presence of page input audio signals that exceed a set
threshold. This threshold is set by the page VOX adjustment; clockw ise rotat ion lo wers the
threshold and makes R more sensitive. Adjust by experimen tation to account for various line
loss and noise. This feature is beneficial fo r (amplified) mic rophone sources t hat don't have a
Music/Page control contact, or for remote AmpliCenters.
Dry Loop Hi Impedance is used to interface with parallel multiple units. Input impedance
is 100K Ohms. Otherwise, the same as the 600 Ohm dry loop operation.
Note: Ground start interface
requires common ground
between paging input and
telephone system by direct
line or other common
groundin g m et ho ds .
The Ground Start mode is a two wire interface and has a 600 Ohm input impedance. When a
trunk is accessed, a momentary ground is sent to the ringside of the pair by the host equipment,
loop current is detected and the tip-side of the pair is closed. Disconnect supervision of the
ground start mode is accomplished by monitoring the loop current.
The Loop Start mode is two wire interface and has a 600 Ohm input impedance. The host
equipment draws loop current from the talk-battery which is supplied by the AmpliCenter.
Disconnect supervision of the loop start mode is accomplished by monitoring the loop
current.
TECHNICAL ASSISTANCE
When calling, have a VOM and a telephone test set available and call from the job site. Call
(540) 427-3900 and ask for PagePac Technical Support, or call (540) 427-6000 for Valcom 24hour Automated Support or visit our websites at http://www.pagepac.com and www.v a lcom.com.
Should repairs be necessary, attach a tag to the unit clearly stating company name, address,
phone number, contact person, and the nature of the problem.
Send the unit to:
Valcom, Inc.
PagePac
Roanoke, VA 24019-5056
®
Repair Dept.
5614 Hollins Road
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Specifications
Table 4 describes the specifications of the AmpliCenter D20, D100, and D300 models.
Table 3. AmpliCenter Specifications
Features ■ Telephone Paging Access: The AmpliCenter accepts inputs from telephone system (PBX) ground start or
loop start trunk ports, dry loop 600 ohm pa ge ports, dry loop (hi Z), or amplified microph one s.
■ Music interface: The AmpliCenter is the unit to w hic h t he background music source (CD , radio, tape
player) is connected , for dist rib u tion to the paging system.
■ Volume control: The AmpliCenter has musi c ducking (mute) level, mu sic volume level, and bass cont rol
adjustment pots on th e r ear panel.
■ Remote amplifier connection: The AmpliCent er pr ovides 0 dBm audio output for connec ti on to a rem ot e
amplifier, which receives a contact closure control signal from the AmpliCenter.
Rated Power
Dimensions
Weight
Load Impedance
Frequency Response
Total Harmonic
Distortion
Hum and Noise
Telephone Paging
Access
Music Input
Overload Protection
Approvals
RJ-11 Jack
Specifications
Temperature
Range
Environmental
Requirements
Electrical, Power, and
Grounding Requirement s
■ D20: up to 20 Watts total speaker loa d , for a 70V constant voltage distribut io n system.
■ D100: up to 100 Watts, for a 70V constant voltage distribution system.
■ D300: up to 300 Watts, for a 70V constant voltage distribution system.
■ D20 and D100: 3-1/2 foot (8.9 cm) high x 19 foot (48.25 cm) wide x 5 foot (12.7 cm) deep.
■ D300: 3-1/2 foot (8.9 cm) high x 19 foot (48-25 cm) wide x 7.25 foot (18A cm) deep.
■ D20: 5 1bs (11 kg); D1OO: 6 1bs (13 kg); D300: q 7 lbs (14 kg).
■ Minimum, D20: 250 ohms, D100: 50 ohms, D300:16.7 ohms.
■ 60 Hz to 16 KHz
■ Less than 1%, at rated power, 60 Hz to 16 kHz.
■ Less than 80 dB below rated output, 20 Hz to 20 kHz bandw id th, unweighted.
■ Automatic Level Control: 15:1 compression ration above -15 dBm input; Gain Below Limiting Knee: 56
dB; ALC Atta ck Time: Less than 3 m s ec.
■ Sensitivity: 180 mV for rated output, single channel input. 90 mV with bot h inp ut s driv en.
■ Impedance: 20 kohms, unbalanced, ea ch input (left & right).
■ Current limiting, thermal shutdown, short circuit, reactive load, and internal DC fault protection.
■ C.S.A 950, NRTL/C.
■ Talk bat te ry: 24 vol ts, loop start or ground start, negative voltage ring lead.
■ Impedance: 600 ohms and 100 kohms.
■ 0 to 40°C (32°F to 104°F) operational; to +50°C (122°F) with forced air.
■ -20 to +70°C (28°F to 158°F) storage and shipment.
■ Locate in an area free of excess moisture, corrosive gases, dust, and chemicals.
Humidity: 5% to 95%. (nonc ondensing) storage/shipm ent and operation. Altitude: sea leve l t o 10, 000 ft.
(1048 to 648 millibars) operat ion al , 40,0 00 ft . ma xim um shipment.
■ 105-120 VAC, 50-60 Hz; or 210-240 VAC 50-60 Hz (automatic selection).
■ Outlet must be a 3-prong outlet, separate ground, not control le d by a n on/off switch.
■ D20: 1 amp max., D100: 2.5 amp/1.25 amp max., D30 0: 8 a mp/4 amp max.
■ A. Use the power cord supplied with the unit, or an equivalent cord that meets applicable safety codes. Do
not cut or remove the third wire ground prong.
■ B. The attachment-plug receptacles in the vi cinity of the product or system are all to be of a grounding
type, and the groundin g conductors serving these re ce ptacles are to be connec te d to e art h ground at the
service equipm en t.
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