The Multi-Tone Generator (MTG) is a compact, versatile
multi-tone generator as well as a Night Bell for a Telephone
System. Six different infor m ation tones plus Night Bell are
provided, each of which ar e priori ty sensitiv e and individual ly
selectable. The Multi-Tone Generator utilizes m ost paging
equipment for all page/all call applications.
NOTE: If the host telephone system does not have a page
port, then a Loop S tart Trunk Adapter can be used from the
MTG J2 connector to the Loop Start Trunk.
SPECIFICATIONS
FEATURES
• Night bell activation by a ringing voltage and/or AC or DC voltages
• 6 information tones initiated by contact closures
• Compatible with most paging equipment
• Tone level adjustment
• Quick installation with “piano keyboard” style terminal strip and modular jacks
• Interfaces to mechanical or electronic time clocks for 7 sec. tone/alarm
• Comes with its own 12 VAC power supply that plugs into any 120 VAC, 60 Hz outlet
• CSA/NRTL Certified
• Desk, Shelf or Wal l mountable
Issue 1
Dimensions/Weight
• 5.5”W x 4.5”D x 2.0”D
(13.4cm x 11.4cm x 5.1cm)
• 2.0 lbs (0.9 kg)
Environment
• Temperature: -10 to 50°C (14 to 104°F)
• Humidity:5 to 95%
Power Requirements
• Nominal 12VAC at 60 Hz. The AC power is provided by a 12 VAC wall pl ug type external transformer,
supplied with the MTG.
• The AC input power may vary from 95V to 1130V at the wall plug.
The MTG is CSA/NTRL certified.
1947191
Page 2
OPERATION
The Multi-Tone Generator produces five differ ent tones by contact closure. The sixth tone (time clock
input port) is activated by making, or breaking contacts (see Table 1). Requested tones are switched as
indicated by the appropriate contact closure onto the paging audio path and provides a contact closure
to turn on the connected paging equipment for the duration of the tone request.
POWER
10
FAST SIREN
7
9
8
RINGER
RETURN
SLOW SIREN
STEADY TONE
FAST WARBLE
TIMED PULSE
PULSED TONE
NIGHTBELL
J1
13456
2
COM.
J2
AC/DC
PAGE
INPUT
J4 J5
J3
PAGE/TONE IN OUT
OUTPUT
LEVEL
MIN
TONE
MAX
Figure 1. Rear View of Multi-Tone Generator
Table 1. Audio Information Tone
TONEDESCRIPTIONPRIORITYLOCATION
Fast Siren
Slow Siren
Fast Warble
Linearly changes in frequency from 560 Hz to 105 0
Hz and back, at a rate of 5 times per second.
Linearly changes in frequency from 560 Hz to 105 0
Hz and back, at a rate of once every 3 seconds.
Linearly changes in frequency from 560 Hz to 105 0
Hz at a rate of 2 times per second.
1J1, PIN 10
2J1, PIN 9
3J1, PIN 8
Tone Pulse
Has frequenc y of 500 Hz, interrupted 5 times per
second for a period of 30 milliseconds.
4J1, PIN 7
Steady ToneA steady tone with a frequency of 680 Hz.5J1, PIN 6
Tone pulses (same as priority 4) for a duration of 7
Timed Pulse
seconds upon receipt of an external closing or
6J1, PIN 5
opening contact.
Night Bell
Alternates between a frequency of 800 Hz and 1200
Hz, at a rate of 20 times per second.
7
J1, PIN 1
or 3
Paging SignalAn audio inp ut signal.8J2
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Page 3
Night Bell Functions
The MTG’s Night Bell function is activ ated through J1, Pins 1, 2 and 3 connector (Night Bell). If the
activating signal is a nominal 70 Vac, 20 cycle ringer voltage use Pins 2 & 3. The night bell can also be
activated by a key system generating 10 to 30 volts AC at 60 cycles or it can be driven by 24 to 48 Vdc,
disregarding polarity on Pins 1 & 2.
The customer owned phone system audio and control lines are attached to J2 (Page Input) and are
passed unchanged through the MTG to J3 (Page/Tone Output) when it is in the inactive, (Tones/Night
Bell Off) state. This mode is referred to as “Page Through”. The MTG, when accessed, will disconnect
J2 from J3 and connect the MTG’s audio and control lines to J3.
Table 2. Connectors and Pin Identification
Connector J1. 10 Pin “Self-Securing” connector.
Pin 10Fast Siren
Pin 9Slow Siren
Pin 8Fast Warble
Pin 7Tone Pulse
Pin 6Steady Tone
Pin 5Timed Pulse
Pin 4Night Bell
Pin 3Paging Signal
Pin 2Common for Night Bell
Pin 1AC/DC input for Night Bell trigger
Connectors J2, J3, J4 and J5. Quad RJ11 type connectors.
J2: Page Input Interface
Pin 6Connected to J3-Pin 6
Pin 5Control In
Pin 4Page Audio In
Pin 3Page Audio In
Pin 2Control 1 In
Pin 1Connected to J3-Pin 1
J3: Page Amplifier Output Interface
Pin 6Connected to J2-Pin 6
Pin 5Control 1 Out
Pin 4Page/Tone Out
Pin 3Page/Tone Out
Pin 2Control Out
Pin 1Connected to J2-Pin 1
3947191
Page 4
Table 2. Connectors and Pin Identification (Continued)
J4. Throughout Interface.
Pin 6Connected to J5-Pin 6
Pin 5Control 1 In, to Tone Request Relay Contacts
Pin 4Audio In
Pin 3Audio In, to Tone Request Relay Contacts
Pin 2Control In
Pin 1Connected to J5-Pin 1
J5: Throughout Interface.
Pin 6Connected to J4-Pin 6
Pin 5Control 1 Out, Disconnected by Tone Request
Pin 4Connected J4-Pin 4
Pin 3Audio Out, Disconnected by Tone Request
Pin 2Control Out
Pin 1Connected to J4-Pin 1
Time Clock Functions
The MTG’s Time Clock (Timed Pulse) function is activated by momentary make and/or break contact
(i.e., transition from N.O. to N.C. and N.C. to N.O.).
The Time Clock (Timed Pulse) function can be activated from a mechanical or electronic time clock and
will respond to both the on and off time trip point s. A single transi tion will produce a seven secon d beep
tone.
NOTE: An interval greater than 15 seconds is required between activations to allow for proper reset of
the clock activated tone circuit.
INSTALLATION
Installation of the MTG dif fers depending on how the MTG will be used. There are two different procedures for installing the MTG with night bell service; when the host telephone system supplies an AC
ringing generator or when the host telephone system supplies 24/48 volts DC. In addition, inst allation
procedures are included for interfaci ng the MTG to PagePac® paging products.
4947191
Page 5
Alert Tone or Night Bell Service -- Host Telephone System Supplies a Contact
Closure (Figure 2)
• Connect one lead (either lead) of the contact closure from the host phone system to the Return
Terminal (4) at connector J1 on the back panel of the MTG.
• Connect the other lead of the contact closure to one of the desired tone terminals (6-10) at conn ector
J1 on the MTG’s rear panel or to the Timed Pulse Night Terminal (5). Refer to Table 1 for a list of information tones and their priorities.
• The output of the MTG is provided at connector J3, whi ch is a modular jack . Use the red/ green p air of
wires of a half-modular cord to connect from J3 to the Music-In port of the paging equipment.
If the customer is already providing background music, it must be disconnected from the paging
equipment and run through the MTG. Make these connections through another half-modular cord
connected to the J2 jack. Backgr ound Music (BGM) c an then be provi ded fr om J3 t o the Musi c-In port
of the paging equipment.
• Plug the AC power cord (with attached power supply), into a nearby 110 Volt Ac, 60 Hz outlet. The
LED on the MTG rear panel will light.
CUSTOMER OWNED MUSIC SOURCE
RED
HALF MODULAR
4-CONDUCTOR CORD
GREEN
MULTI-TONE GENERATOR
POWER
10
8
9
FAST SIREN
SLOW SIREN
FAST WARBLE
HALF MODULAR
4-CONDUCTOR CORD
CONTACT CLOSURE
CONNECTIONS
HOST TELEPHONE
EQUIPMENT
7
STEADY TO NE
PULSED TO NE
TIMED PU LSE
J2
J3
COM.
AC/DC
RINGER
RETURN
PAGE
PAGE/TONE IN OUT
INPUT
OUTPUT
NIGHTBELL
J1
2
1
4
3
5
6
J4 J5
TONE
LEVEL
MIN
MAX
TO PAGING EQUIPMENT'S
MUSIC IN PORT
Figure 2. Night Bell Contact Closure Activation
5947191
Page 6
Night Bell Service -- Host Telephone
System Provides 90 to 105 Volt AC Ringing Generator (Figure 3)
• Connect the Night Bell source of the Ringing Generator from the host phone system to the MTG at
connector J1 across terminals 2 and 3.
• The output of the MTG is provided at connector J3, whi ch is a modular jack . Use the red/ green p a ir of
wires of a half-modular cord to connect from J3 to the Music-In port of the paging equipment. If the
customer is already providing background music, then it must be disconnected from the paging equipment and run through the M TG. Make these connections through another half-modular cord connected to the J2 jack. Background Music (BGM) can then be provided from J3 to the Music-In port of
the paging equipment.
• Plug the AC power cord (with attached power supply), into a nearby 110 volt AC, 60 Hz outlet. The
LED on the MTG’s rear panel will light.
CUSTOMER OWNED MUSIC SOURCE
RED
HALF MODULAR
4-CONDUCTOR CORD
GREEN
MULTI-TONE GENERATOR
POWER
10
8
9
FAST SIREN
SLOW SIREN
FAST WARBLE
HALF MODULAR
4-CONDUCTOR CORD
TO 90/105 VAC
RINGING
GENERATOR
HOST TELEPHONE
EQUIPMENT
7
STEADY TONE
PULSED TO NE
TIMED PULSE
J2
J3
COM.
AC/DC
RINGER
RETURN
PAGE
PAGE/TONE IN OUT
INPUT
OUTPUT
NIGHTBELL
J1
2
1
4
3
5
6
J4 J5
TONE
LEVEL
MIN
MAX
TO PAGING EQUIPMENT'S
MUSIC IN PORT
Figure 3. Night Bell Ring Voltage Activation
6947191
Page 7
Night Bell Service -- Host Telephone
System Supplies 24/48 Volts DC (Figure 4)
• Connect the Night Bell source of DC voltage from the phone system to the MTG at connector J1. The
DC voltage must be connected across terminals 1 and 2.
• The output of the MTG is provided at connector J3, whi ch is a modular jack . Use the red/ green p air of
wires of a half-modular cord to connect from J3 to the Music-In port of the paging equipment. If the
customer is already providing background music, then it must be disconnected from the paging equipment and run through the M TG. Make these connections through another half-modular cord connected to the J2 jack. Background Music (BGM) can then be provided from J3 to the Music-In port of
the paging equipment.
• Plug the AC power cord (with attached power supply), into a nearby 110 volt AC, 60 Hz outlet. The
LED on the MTG’s rear panel will light.
NOTE: These methods of connection will allow the MTG to share the Music-In port with the customer’s
music source.
NOTE: With power removed, the “Page Through” mode will be functional with all tone functi ons disabled. Adjust the MTG’s output level with the volume contol located on the unit’s rear panel
(see Figure 1). Output level i s from full off (min.) to a level s uitabl e for d riving up to four, 600 Ohm paging
amplifier input loads (max.).
POWER
10
6
8
9
7
FAST SIREN
SLOW SIREN
FAST WARBLE
PULSED TO NE
HALF MODULAR
4-CONDUCTOR CORD
TO 24/48 VDC SUPPLIED
BY HOST TELEPHONE
SYSTEM
HOST TELEPHONE
EQUIPMENT
CUSTOMER OWNED MUSIC SOURCE
RED
HALF MODULAR
4-CONDUCTOR CORD
GREEN
MULTI-TONE GENERATOR
J1
2
1
4
3
5
STEADY TONE
TIMED PULSE
J2
COM.
AC/DC
RINGER
RETURN
PAGE
PAGE/TONE IN OUT
INPUT
OUTPUT
NIGHTBELL
TONE
LEVEL
J4 J5
J3
MIN
MAX
TO PAGING EQUIPMENT'S
MUSIC IN PORT
Figure 4. Night Bell Service - 24/48 Volts DC Activation
7947191
Page 8
Emergency Alerts, Break Time/Quitting Time Tones -- (Figure 5)
NOTE: The phone system, alarm system, or time clock must be able to provide a contact closure or
closures, depending on how many tones are required.
NOTE: This method of connection coupled with the addition of PageP ac® Plus Controller, will give the
MTG control over any paging operations. This means that voice pages will be overriden if an alerting
tone or break/quitting time tone is enabled.
NOTE: With power removed, the “Page Through” mode will be functional with all tone functions
disabled. Adjust the MTG’s output level with the volume contol located on the unit’s rear panel
(see figure 1). Output level is from full of f (mi n.) to a leve l suitable for driving up to four, 600 Ohm pag ing
amplifier input loads (max.).
• Connect one lead (either lead) of the contact closure from the host phone system to the re turn terminal
at J1 on the back panel of the MTG.
• Connect the other lead of the contact closure to the appropriate tone terminal at J1 on the MTG’s rear
panel. Closures (con trol p airs) fr om alarm systems should use hi gher prior ity. The “Fast Siren” tone is
the highest priority and the “Beep” (7 second) tone is the lowest.
• The output of the MTG is found at J3, which is a modular jack on the MTG’s rear panel. Use a halfmodular cord to connect from J3 to the Attendant Input port of the PagePac using the red/green pair.
The black/yellow pair from the MTG is then connected to the Attendant Access Control pair of the
PagePac Plus Controller.
• Plug the AC power supply into a 110 volt AC, 60 Hz outlet. The LED on the MTG’s rear panel will light .
NOTE: The phone system, alarm system, or time clock must be able to provide a contact closure or clo-
sures: depending on how many tones are required.
NOTE: This method of connection will give the MTG control over any pag ing operation. This means
that voice pages will be overriden if an alerting tone or break/quitting ti me tone is enabled.
NOTE: With power removed, the “Page Through” mode will be functional with all tone functi ons dis-
abled. Adjust the MTG’s output level with the volume contol located on the unit’s rear panel
(see Figure 1). Output level i s from full off (min.) to a level s uitabl e for d riving up to four, 600 Ohm paging
amplifier input loads (max.).
• Connect one lead (either lead) of the contact closure from the host phone system to the re turn terminal
at J1 on the rear panel of the MTG.
• Connect the other lead of the contact closure to the appropriate tone terminal at J1 on the MTG’s rear
panel. Closures (con trol p airs) fr om alarm systems should use hi gher prior ity. The “Fast Siren” tone is
the highest priority and the “Beep” tone is the lowest .
• The output of the MTG is found at J3, which is a modular jack on the MTG’s rear panel. Use a fullmodular, 4-conductor cord to connect from J3 to the MTG to “PAGE” on the PagePac® 6 back panel.
• Plug the AC power cord (with attached power supply), into a nearby 110 volt AC, 60 Hz outlet. The
LED on the MTG’s rear panel will light.
PAGE INPUT FROM HOST
TELEPHONE EQUIPMENT
POW ER
CONTACT CLOSURE
CONNECTIONS
11
10
9
8
7
12
6
6
8
7
9
10
FAST SIREN
SLOW SIREN
FAST WARBLE
PULSED TO NE
1
2
3
4
5
STEADY TO NE
5
TIMED PU LSE
2
34
RINGER
RETURN
NIGHTBELL
MODULAR 4-CONDUCTOR CORD
J4 J5
TON E
LEVEL
MIN
MAX
J1
1
J2
J3
COM.
AC/DC
PAGE
PAGE/TO NE IN OUT
INPUT
OUTPUT
MODULAR 4-CONDUCTOR CORD
PAGE
PAGEPAC 6
VOL
MULTI-TONE GENERATOR
TO "PAGE" ON PAGEPAC 6
BACK PANEL
SPKRS
M U S IC IN
MUSIC
PAGE
VOL
POW ER
OUT
AUX
Figure 6. PagePac 6 Activation
9947191
Page 10
TECHNICAL ASSISTANCE
When calling, have a VOM and a telephone test set available and call from the job site. Call (540) 4273900 and ask for PagePac Technical Support, or call (540) 427-6000 for Valcom 24-hour Automated
Support or visit our websites at http://www.pagepac.com and www.valcom.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
5614 Hollins Road
Roanoke, VA 24019-5056
Table 3. Troubleshooting
TROUBLEPOSSIBLE CAUSESPOSSIBLE SOLUTIONS
®
Repair Dept.
a) Transformer not plugged
Power “ON”
LED Not Illuminated b) Transformer DefectiveReplace transformer.
Low Tone Output
Volume
No Tone Output
(Green LED
Illuminated)
into a working AC outlet.
c) MTG defective.Replace MTG.
a) Tone volume control not
adjusted.
b) Tone output feeding more than (4)
600 Ohm inputs.
c) Tone output not feeding into
600 Ohm inputs.
a) Tone volume control off.Adjust control to higher volume.
b) Closure/control leads not operating.
c) Mis-wire between host system and MTG.Listen for MTG relay operation.
d) Ringer voltage or DC voltage for Night Bell
missing or mis-wired.
Move transformer to a different outlet.
Adjust control to higher volume.
Reconfigure installation.
Obtain matching device for 600 Ohms.
Check control leads with meter to
isolate.
Check voltages with meter.
10947191
Page 11
SECONDARY CIRCUIT PROTECTION
IMPORTANT INFORMATION
This equipment is for use on telephone wiring cont aining a secondary circuit protector. This paging
equipment requires a secondary circuit protector where applicable (see Figure 7).
The secondary circuit protector must be located between the primary protector and the paging equi pment. Refer to the Safety Information below.
Example Configuration Requiring Secondary Protection
When Paging Equipment is Connected Directly to the Telephone Network
SAFETY INFORMATION
• The secondary circuit protector is used when connecting paging equipment directly to telephone lines
that may be exposed to high voltage power lines.
• Never install telephone wiring during a lightning storm.
• Never install tel ephone jacks in wet locations unless the jack is specifically designed for wet locations.
• N ever touch uninsulated telephone wires or terminals unless the telephone line has been
disconnected at the network interface.
• U se caution when installing or modifying telephone lines.
• Use appropriate Valcom approved device.
11947191
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