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CONFIGURATION 4:
GROUND START TRUNK - 3-ZONE - ONE-WAY PAGING - SINGLE AMPLIFIER - 25/70V AC SPEAKERS
In this configuration, the PCM unit supplies a 48V talk battery and loop current detection from pins 3 & 4 of the TEL LINE jack on the
PCMTIM module to the ground start trunk in the telephone system.There are two modes of operation for ground start trunk.
(1) When the ground start trunk grounds Ring, the unit responds by closing the connection to Tip, which completes the access procedure.
When the loop is opened, the page ends. Pins 1, 2, 5 & 6 are not used in this configuration. Note: Default and VOX timers are not used
in this mode.
(2) The unit will operate as in mode one, except it will also provide a one-second hook flash after the expiration of the VOX and/or Default
timers. Operation in this mode will enable the unit to automatically disconnect itself from the ground start trunk of the PBX.This will pre-
vent the paging system from being locked up indefinitely in the event a telephone is accidentally left off hook after a page has been complet-
ed.The feature codes are 014 to inhibit and 015 to enable this feature.The default feature code is 014 (OFF).
The required setup includes PCMTIM - PCMCPU - PCMZPM - PCMPS2. Modules must be assembled, from left to right, in this order.
INSTALLATION:
STEP 1: Assembling Modules PCMTIM to PCMCPU and to PCMZPM
• Follow the same procedure described previously on page 5,step 1.
Note: Do NOT connect the PCMPS2 (power supply) at this point.
STEP 2: Connecting the Ground Start Trunk from the Telephone System to the PCMTIM Module
• Take the ground start trunk pair from the telephone system and wire it to the RJ11 TEL-LINE jack in the PCMTIM module to pins 3 and
4 (red and green).
• Use a 4 or 6-pin modular cord to connect the RJ11 to the TEL-LINE input on the PCMTIM module.
• Use a 24-gauge solid wire to connect the GND ST terminal on the PCMTIM module to the PBX ground.This is typically the AC ground
for the PBX system.
STEP 3: Switch Settings
• Set the TEL-INT-SEL DIP switches on the PCMTIM module for Ground Start Trunk configuration: switches 2, 4 & 5 ON (to the right)
and switches 1, 3, 6 & 7 OFF (to the left).
• Set the SYS-ID DIP switches on the PCMCPU module to the OFF position (to the left).
• Set the RUN-PROGRAM switch on the PCMCPU module to the RUN mode (up).
• Set the Talk Back DIP switches on the PCMZPM module to the OFF position (to the left) for all zones.
• Set the OUTPUT switch on the PCMZPM module to the HI-PWR position (down).
STEP 4: Testing your System
• Connect power supply PCMPS2 to the PCMCPU module to either the power jack 12V DC input or wire it to the 12V DC screw ter-
minals observing polarity.
• At this point all the power LEDs should be lit on each module.
• Access the Ground Start Trunk from the phone system and verify access tones (double beep).
• At this point, the system should be functioning properly.
• Disconnect Power Supply.
STEP 5: Connecting the Paging Amplifier
• Follow the same procedure described previously on page 5,step 5.
STEP 6: Connecting 25/70V AC Speakers
• Follow the same procedure described previously on page 5,step 6.
STEP 7: Testing your System
• Connect the power supply PCMPS2 to the PCMCPU module to either the power jack 12V DC input or wire it to the 12V DC screw
terminals observing polarity.
• Connect the Bogen amplifier to the AC power outlet (120V AC 60Hz).
• Set the volume on your Bogen amplifier to a 1/2 turn.
• Access the Ground Start Trunk from the telephone system and listen (on the handset) for the confirmation tone (double beep).
• Dial 01 to access ZONE ONE and listen (on the handset and also to the speakers) for a pre-announce tone (single beep) followed by
your page (audio).
• Follow the same steps for ZONES TWO (02) and THREE (03).
• Set the Bogen amplifier to the desired volume level.
30
11
PCM
TIM
POWER
TONE VOLUME
BGM SRC
VOLUME
GND ST
IN
RT
BGM
SRC
NIGHT RING
TEL
LINE
OVER RIDE
NC
COM
NO
NC
COM
NO
RLY ONE
RLY TWO
S1
S2
S3
S4
S5
S6
S7
TEL
INT
SEL
0 1
SHURE
12 ABC 3 DEF
4 GHI 5 JKL 6 MNO
7 PRS 9 WXY8 TUV
0OPER
*
#
12
3
Add a 680-ohm
resistor
Shielded
Red & Black
Yellow
1
3
2
Red
Green
Microphone Connections
Pin1 = Shielded
Pin 2 = Red and Black wires
Pin 3 = Yellow
Add a 680-ohm 1/4 w resistor across pins 1 and 2
TIP (Green)
RING (Red)
SHURE FIVE CONDUCTOR COIL
CORD MODULINK MODEL ALM1
MUST BE ORDERED SEPARATELY
SETUP FOR CONFIGURATION 14:DTMF MICROPHONE ZONE PAGING