Telecommunication Peripheral Products
Teleguard©
Privacy Devices
Technical Practice
June 26, 1997
Prevent Interruptions in Voice Communications
as well as Fax and Data Transmissions!
PC-RJ14
PJ-14
TG-2
PC-7
TG-1
Viking’s Teleguard© privacy devices prevent your phone calls or fax and modem
transmissions from being interrupted if someone accidentally picks up another
extension. Teleguard© devices can also secure against internal eavesdropping by any
other extension equipped with a Teleguard© device.
Viking’s Teleguard© products protect the device that accesses the telephone line first
by denying other Teleguard© equipped devices access to the line until the call in
progress has been terminated.
Incoming calls will ring all devices simultaneously, but the device that answers first
denies any other Teleguard© equipped device access.
Features
Applications
• Line powered
Prevent interruptions and replace dedicated
phone lines for:
• Modular or punch-down installable
• One and two line devices
• Point-of-sale terminals
• Modems
• Compatible with analog lines with 12V DC or
higher talk battery
• Fax machines
• Transparent operation
• Home and business telephones
• Credit card machines
• Made in the U.S.A.
Sales...(715) 386-8861
PJ-14
The PJ-14 provides one or two lines of Teleguard© protection built into a wall mountable RJ-14 jack.
PJ-14
Power: Phone line powered (25V-100V DC “on-hook” talk battery, 10mA-100mA )
Dimensions: 5.1 cm x 5.7 cm x 2.2 cm (2” x 2.25” x .875”)
Environmental: -26° C to 54° C (-15° F to 130° F) with 5% to 95% non-condensing humidity
Shipping Weight: 115 g (4 oz)
Connections: RJ-14 female plug
1. Pry the cover off of the PJ-14 using a screwdriver in the appropriate housing slots.
2. Connect line 1 to the terminal screws with red and green wires (See Diagram 1 below).
3. Connect line 2 to the terminal screws with yellow and black wires (See Diagram 1 below).
4. Mount the PJ-14 base to a wall using the two wood screws and mounting holes provided (See Diagram 1 below).
5. Replace the cover of the PJ-14.
Installation
Diagram 1
Diagram 2
PJ-14
Mounting Holes
One or Two
Line Phone
Line 2
Line 1
Black
Red
Yellow
Green
Internal View
TG-1 and TG-3
The TG-1 and TG-3 provide single line Teleguard© protection ideal for punch down or terminal block installation.
Power: Phone line powered (TG-1 - 25V-100V DC “on-hook” talk battery, 10mA-100mA TG-3 - 12-24V DC “on-hook” talk battery,
10mA-100mA)
Dimensions: 6.35 cm (2.5”)
Environmental: -26° C to 54° C (-15° F to 130° F) with 5% to 95% non-condensing humidity
Shipping Weight: 28 g (1 oz)
Connections: Punch down/terminal block
Installation
Note: For runs between the TG-1/TG-3 and the device that are
greater than a few feet, line imbalance may occur. To correct
this, add a second TG-1 or TG-3 to the opposite side of the line.
Punch Down /Terminal Block
TG-2
The TG-2 installs modularly and provides Teleguard© protection for two devices from a single line RJ-11 “T” adapter.
Power: Phone line powered (25V-100V DC “on-hook” talk battery, 10mA-100mA )
Dimensions: 2.54 cm x 3.81 cm x 2.2 cm (1” x 1.5” x .875”)
Environment: -26° C to 54° C (-15° F to 130° F) with 5% to 95% non-condensing humidity
Shipping Weight:
Weight: 57 g (2 oz)
Connections: RJ-11 male and female
Installation
Model TG-2
Single Line
Phone
Model
TG-2
Fax Machine
or Modem
Two-Line Phone Applications
A. Two Line Phone Applications where “Hold” Feature is not Required
In this application, the two-line phones cannot interrupt or eavesdrop on each other. However, the hold feature will
not work between the phones. If you wish to transfer a call between phones, one phone must pick up the line and
wait for the opposite phone to hang up.
Lines 1 and 2
Central Office
Lines
Lines 1 and 2
PJ-14 or PC-
RJ14
Two Line Phone
Two Line Phone
B. Two Line Phone Applications where “Hold” Feature may be Required
In this application the two-line phones cannot interrupt the fax or house phone while the house phone or fax cannot
interrupt each other or the two-line phones. The two-line phones may transfer calls between themselves and use
the hold feature, but can also interrupt each other.
Central Office
Lines
Lines 1 and 2
Lines 1 and 2
Line 2
PJ-14 or PC-
House
Phone
RJ14
Two
Line
Phone
Fax Machine
or Modem
Two
Line
Phone
PC-7
1-4 Line Privacy & Line Scanning
For multiple lines, Viking has also introduced the LS-4x4 Line Scanner. The LS-4x4 will allow 4,8,12... modems, credit
card machines, etc. to share 1-4 lines. For more information, retrieve Fax Back Document 270.
To other
1 to 4 C.O. Lines or
LS-4 X 4
analog PABX/KSU
Scanners or
Phones
stations
10000332
LINE SCANNER
LINE SCANNER
MODEL LS-4 X 4
Phone
VIKING©
VIKING©
1
2
5
8
0
3
6
MODEL LS-4 X 4
Credit Card
Reader
Modem
4
1
2
3
4
1
2
3
4
7
9
#
✱
Modem
DEV
1
DEV
2
DEV
3
DEV
4
PWR
RING IN
DEV
1
DEV
2
DEV
3
DEV
4
PWR
RING IN
Hayes
28.8
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pwr
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cd
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Hayes
28.8
mr
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10000332
Hayes
28.8
mr
pwr
aa
cd
oh
io
1
4
2
5
8
0
3
6
Credit Card
Reader
Hayes
28.8
mr
pwr
aa
cd
oh
io
7
9
#
Modem
✱
Modem
Fax Machine
Product Support Line...(715) 386-8666
Fax Back Line...(715) 386-4345
Due to the dynamic nature of the product design, the information contained in this document is subject to change without notice. Viking
Electronics, its affiliates and/or subsidiaries assume no responsibility for errors and/or omissions contained in this information. Revisions of this
document or new editions of it may be issued to incorporate such changes.
ZF300860 Rev C
Fax Back Doc # 560
Printed in the U.S.A.
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