Viking rad-amp Service Manual
RAD-AMP
RAD-AMP
Amplified Remote
Access Device
June 24, 2002
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Power: 120VAC/13.8VAC 1.25A UL listed adapter provided
Dimensions: 133mm x 130mm x 38mm (5.25” x 5.1” x 1.5”)
Weight: 1.0 Kg (2 lbs 3 oz.)
Environmental: 0°C to 32°C (32°F to 90°F) with 5% to 95%
non-condensing humidity
Connections: (2) RJ11 modular jacks
Amplification: Factory set to 3dB of audio gain
Extend Your Phone System’s Features and
Forward Calls to Telecommuters
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Standard Features
• Improved audio amplifier
• Programmable 6 digit security code
• Programmable ring delay
• Remote night switch
• Disconnects on CPC, busy, return dial tone, maximum call time or by dialing #7
• Non-volatile memory (no batteries required)
• Auxiliary dry contacts
• Programmable 15 second to 49.5 minute call timer
• Compatible with analog stations on PABX and
KSU systems
• Simple programmable toll restriction
Line Extender
• Access code(s)
• 500 ms hook switch flash command
• 2 second disconnect command
Call Diverter
• 32 digit phone number memory
Telecommuting Extender
• Log-In and Log-Out capability
• Special tone notifies of work related calls
• Supports PABX/KSU features (transfers, voicemail,
paging, etc.) to remote employees
The RAD-AMP extends the usefulness of your phone
system to remote employees, as well as providing call forwarding to remote employees or locations.
As a line extender, the RAD-AMP provides authorized
users remote access to PABX, Centrex or Electronic Key
system features.
As a call diverter, the RAD-AMP provides call forwarding
from one location to another. After detecting an inbound call, the RAD-AMP accesses a second phone
line, dials a preprogrammed Touch Tone number, and then bridges the two lines.
As a Telecommuting extender, the RAD-AMP gives remote workers access to most PABX/KSU features
from their home or cell phone. The home based employee hears a special tone when answering and has
the option of taking the work related call. Remote call center personnel can “Log-In” and Log-Out” or
change their forwarding number as their location changes. Using Touch Tones, remote workers can use
phone system features to transfer the call to another extension or voice mail, start a conference call, generate a page or any other feature available to an analog PABX/KSU extension.
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Line Extender
• Bridge calling zones
• Utilize inexpensive WATS, FX or TIE lines
• Remotely access paging amplifiers (PA-2A, HF-3W)
or service observers (SO-24A)
• Remote audio monitoring of radio or church programs and security sites
Call Diverter
• Forward calls to voice mail or dictation equipment
• Eliminate C.O. “Call forwarding” charges
• Forward after hours calls to “on call” employees or
answering services
Telecommuting Extender
• Home based call center personnel
• Outside sales staff
• Traveling executives and personnel
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This product does not eliminate the possibility of toll
fraud! To further protect against fraudulent calls, use
with a TR-1 Toll Restrictor (Fax Back Document 705).
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Note: The RAD-AMP is factory configured
as a “Line Extender” . To change the mode
of operation or operating parameters, see
the “Programming” section and follow the
specific programming section for the
desired mode (Line Extender, Call
Diverter or Telecommuting Extender ).
Note: The front panel ON/OFF
switch must be placed in the OFF
position to utilize this feature.
Connect the incoming phone line to the LINE IN jack on
the back panel of the RAD-AMP. Connect a second
phone line or 600 ohm audio device to the LINE OUT
jack. For normal operation, the front panel switch
should be set to the ON position and the remote night
switch contacts must be open.
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Line Extender: The mode of operation in which the RAD-AMP provides remote access to an analog station of a PABX,
KSU or a second C.O. line. This is ideal for bridging long distance areas or allowing remote employees to use company
lines for toll calls.
Call Diverter: The mode of operation in which the RAD-AMP forwards a call to a pre-programmed phone number.
Telecommuting Extender: The mode of operation in which the RAD-AMP forwards calls to one of nine pre-programmed
numbers as well as providing remote access to an analog PABX/KSU station or C.O. line, including all features available
to that station or C.O. line.
Security Code: The code programmed into the RAD-AMP that allows access to all programming features.
Priority 1 Access Code: The code programmed into the RAD-AMP that allows a remote user to have complete access
to the PABX or KSU including outside toll calls.
“Priority 2” Access Code: The code programmed into the RAD-AMP that allows a remote user to have limited access to
the PABX or KSU, effectively blocking outside line access.
To utilize the Telecommuting extender mode for remote employees, the RAD-AMP must be installed as shown below
and an internal shunt must be set to the correct position before programming the unit.
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Internal View of the RAD-AMP
A. Line Extender/Call Diverter Installation
B. Telecommuting Extender Installation
2.
Rear View of the RAD-AMP
120V AC/13.8V AC
REMOTE
SWITCH
LINE IN
CLASS 2 POWER
SOURCE 12V DC
500mA MAXIMUM
USE ONLY LISTED
LINE OUT
Open = OFF
Closed = ON
Optional Night Mode
Remote Switch
Center Pair
(Red & Green)
Incoming C.O. Line
or Analog PABX/KSU
Outgoing Second
C.O. Line or Analog
PABX/KSU Extension
Extension
Remote
Employee
120V AC/13.8V AC
Adapter (included)
Rear View of the RAD-AMP
Adapter
(included)
REMOTE
SWITCH
LINE IN
CLASS 2 POWER
SOURCE 12V DC
500mA MAXIMUM
USE ONLY LISTED
LINE OUT
JP1
PABX/KSU
Dials Out to Remote
Emplo
ee
Remote Employee's
Analog PABX/KSU
Connect a 4-wire modular cord from the RAD-AMP Line Out jack to the
625A jack. Test the contact closure operation by calling into the RAD-
AMP and verifying proper operation. Note: The RAD-AMP is factory
configured with this feature disabled. To
activate this feature see section F in
Programming. The Red-Green pair is the
outgoing line of the RAD-AMP, while the
Yellow-Black pair provides the auxiliary
contact closure.
C. Installing the Auxiliary Contact Closure
LINE OUT
USE ONLY LISTED
CLASS 2 POWER
SOURCE 12V DC
500mA MAXIMUM
LINE IN
REMOTE
SWITCH
Black
Yellow
Red
Green
4-Wire Modular
Cable
To device
requiring
contact closure
600 Ohms
Output of RAD-AMP
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A. Line Extender Mode
To access programming in the “Line Extender” mode, call into the LINE IN port. After the RAD-AMP answers, enter a ✱ followed by
the security code, factory set to V-I-K-I-N-G (845464). The RAD-AMP will beep twice indicating that programming has been
accessed. It is recommended that the factory security code be changed. While programming, if 20 seconds elapse between Touch
Tones, the RAD-AMP will disconnect. All valid Touch Tone programming sequences are acknowledged with a double beep. A triple
beep indicates that a mistake has been made. Note: If a “Priority 2” access code is used, program the “PABX outside line num-
ber” with the Touch Tone required to access a C.O. line from a PABX extension.
Line Extender Quick Programming Features
Set the RAD-AMP to Line Extender mode (factory set) ...........................................
Set the RAD-AMP to Call Diverter mode (see section B) ........................................
Set the RAD-AMP to Telecommuting Extender mode (see section C) .....................
Security code (6 digits 0-9) (factory set to 845464) ..................................................
“Priority 1” access code (enter 6 digits, no digits disables) (factory disabled) ..........
“Priority 2” access code (enter 6 digits, no digits disables) (factory disabled) ..........
PABX outside line number (enter 1 digit, no digit disables) (factory set to 9) ............
SO-24A mode enabled (see Operation section D) ..................................................
SO-24A mode disabled (factory setting, see Operation section D) .........................
Maximum call timer (enter 2 digits*, no digits disables - factory disabled) .................
Ring delay (1-9) (factory set to 1) .............................................................................
Alert tones On (call progress beeps) (factory enabled) ............................................
Alert tones Off ..........................................................................................................
Enable dial tone detection (for installations without CPC or busy signal) .................
Disable dial tone detection (factory setting) .............................................................
Exit programming and disconnect ...........................................................................
Set all programming features to factory settings ......................................................
* Note: Call timer digits specified as follows: 00 = 15 seconds, 01-99 = .5 - 49.5 minutes in .5 minute increments.
✱ 1
✱ 2
✱ 3
6 digits
6 digits
6 digits
1 digit
✱✱
✱
#
2 digits
1 digit
✱ 9
✱ 0
✱ 5
✱ 6
# 7
###
# 47
# 45
# 46
# 44
# 48
# 49
Enter Digits
then
then
then
then
then
then
- then -
Enter Memory Location
B. Call Diverter Mode
To access programming in the “Call Diverter” mode, call into the LINE IN port. After the called party answers, enter a ✱ followed by
the security code, factory set to V-I-K-I-N-G (845464). The RAD-AMP will beep twice indicating that programming has been
accessed. It is recommended that the factory security code be changed. While programming, if 20 seconds elapses between Touch
Tones, the RAD-AMP will disconnect. All valid Touch Tone programming sequences are acknowledged with a double beep. A triple
beep indicates that a mistake has been made.
Call Diverter Quick Programming Features
Set the RAD-AMP to Line Extender mode (see section A) .......................................
Set the RAD-AMP to Call Diverter mode .................................................................
Set the RAD-AMP to Telecommuting Extender mode (see section C) .....................
Security code (6 digits 0-9) (factory set to 845464) ..................................................
Call Diverter number (1-32 digits) ............................................................................
To enter a “✱” in the Call Diverter number ................................................................
To enter a “#” in the Call Diverter number ................................................................
To enter a 1 second pause in the Call Diverter number ............................................
Maximum call timer (enter 2 digits*, no digits disables - factory disabled) .................
Ring delay (1-9) (factory set to 1) .............................................................................
Enable dial tone detection (for installations without CPC or busy signal) .................
Disable dial tone detection (factory setting) .............................................................
Exit programming and disconnect ...........................................................................
Set all programming features to factory settings ......................................................
* Note: Call timer digits specified as follows: 00 = 15 seconds, 01-99 = .5 - 49.5 minutes in .5 minute increments.
✱ 1
✱ 2
✱ 3
6 digits
1-32 digits
✱✱
✱ #
✱ 8
2 digits
1 digit
✱ 5
✱ 6
# 7
###
#47
# 00
# 48
# 49
Enter Digits
then
then
then
then
- then -
Enter Memory Location
Rear View of
the RAD-AMP
3.
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