Ardy Electronics Sec-Line/Phone 2000Xe User manual

Users Manual Page 1 of 20
SLP2000Xe
Sec-Line/Phone 2000Xe
Users manual
Sec-Line/Phone 2000Xe is a high-level security encryption telephone from Ardy Electronics Ltd.
This encryption phone can be installed to analogue phone lines worldwide. The telephone is a Siemens
2415 phone connected internally to the SLP2000Xe module. Green or Red indication for Secure or
Insecure connection. The SLP2000Xe is fully compatible to the SLP2000Xe encryption unit.
Sec-Line/Phone 2000Xe uses Diffie Hellman with 1024 bit PKI handshake to start the secure
connection and triple DES as per ANSI specification X9.52 as encryption algorithm with a 168-bit
unique random synchronous encryption key negotiated for each call.
Sec-Line/Phone 2000Xe has to be installed at both sides of the communication in order to establish a
secure connection. The unit can be used for both secure and clear phone calls. The internal
rechargeable 6 volt battery makes it possible to place Secure calls even when the main power is lost.
Sec-Line/Phone 2000Xe connects in moments and offers the following features: Strong Encryption
Technology, Clear Voice Quality, One Button Operation, Universal Telephone line Compatibility, and
Portable in suite case.

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SLP2000Xe
SLP-2000Xe
Technical Data
Modem: ................................................... 9600 bps CCITT V.32 full duplex, echo canceling
Voice encoder: .......................................................................ITU G.729 AS-CELP at 8kbps
Connection:.....................................................................................analogue telephone line
Operation:..............................................................................................................full duplex
AC-power requirements: ...................................................... adapter 240/110VAC 50/60 Hz
DC-power requirements:........................................................................... 12 VDC 1000 mA
Encryption Data
Algorithm:......................................................... Triple DES as per ANSI specification X9.52
Symmetric key length:................................................................168-bit unique, random key
Symmetric key combinations:..........................................................................................1051
PKI algorithm:......................................................................... Diffie-Hellman exponentiation
PKI encryption key length:.......................................................................................1024 bits
Public Key length:......................................................................................................256 bits
PKI Key combinations:.................................................................................................. 10308
Other Data
Temperature range operating:.................................................................................0 to 50 C
Temperature range storage:.................................................................................-20 to 75 C
Size: ........................................................................................................280 x 190 x 60 mm
Weight:........................................................................................................................ 2.0 kg
Cover:..........................................................................................................................Plastic
Information display against “man in the middle attack”:..............................................Option
Internal rechargeable Battery:...........................................................6 Volt 500mAh, Option
ARDY Electronics AB. P.O.Box 47, S-70140 Örebro Sweden
Phone: [phone]. Fax: [phone]. E-mail: [e-mail]
www.ardyelectronics.com

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SLP2000Xe
USERS MANUAL
SLP2000Xe
Sec-Line Phone 2000Xe
Personal Telephone Security
Ardy Electronics Ltd
P.O.Box 47
SE-701 40 Örebro Sweden
Phone: [phone]
Fax: [phone]
E-mail [email protected]
www.ardyelectronics.com
Copyright © Ardy Electronics Ltd 2001-2004

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SLP2000Xe
CONTENTS
Introduction............................................................6
Overview................................................................6
Parts Checklist.......................................................7
Installation and set-up............................................8
Introduction............................................................8
Installing the SLP2000Xe.......................................8
Operation.............................................................10
Introduction..........................................................10
Operating controls................................................10
Turning on the SLP2000Xe..................................11
Non-secure calls..................................................11
Securing a call .....................................................11
Performing a self-test...........................................15
Maintenance / troubleshooting.............................15
Maintenance ........................................................15
Troubleshooting...................................................17
Appendix B-Specifications information ................19
FIGURES
Figure 1.SLP2000Xe Operating controls.............10
TABLES
Table 1. Troubleshooting guidelines....................17

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SLP2000Xe

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SLP2000Xe
1. Introduction
Overview
Congratulations on your purchase of your new
personal telephone security device.
The SLP2000Xe is a standard analogue phone
from Siemens EuroSet 2015 and has been
designed to economically provide convenient and
reliable secure voice communications through
advanced voice compression and digital
techniques.
The voice compression algorithm in the
SLP2000Xe provides toll-quality communications
between calling parties, making secure calls nearly
transparent.
For ease of use, a single pushbutton alternately
activates and de-activates the SLP2000Xe secure
mode. The external OPTION display indicates in
which mode the SLP2000Xe is operating. In
secure mode the light diode on the front is
GREEN. In non-secure mode the light diode is
RED.

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SLP2000Xe
Parts Checklist
Upon unpacking your SLP2000Xe, inspect the
contents for damage that may have occurred
during shipping. Save all packing material until the
unit is installed and working properly. Visually
confirm that there are no broken parts and that the
SLP2000Xe housing is free of obvious defects. If
you suspect that parts are damaged or missing call
your local rep.
A complete SLP2000Xe system includes:
1.SLP2000Xe device
2.SLP2000Xe to-telephone interface cord
3.AC Power adapter
4.Users manual
Optional international power adapter 110VAC is
available. Please e-mail your local rep for pricing
and delivery.

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SLP2000Xe
2. Installation and set-up
Introduction
This section provides information for installing your
SLP2000Xe, configuring it for your specific
telephone type and removing it from your
telephone.
Installing the SLP2000Xe
To install your SLP2000Xe follow these steps:
1)Plug the supplied interface cord to the
TELEPHONE jack on the rear of the
SLP2000Xe.
2)Plug the AC power adapter cord into the
SLP2000Xe POWER jack at the rear of the unit.
Plug in the AC power adapter into a standard
wall outlet (240 VAC, 50 Hz. Option 110 VAC,
60Hz).
3)If the SLP2000Xe is not on, press the on/off
button at the back side of the SLP2000Xe.
4)The SLP2000Xe will display the power ON with
the “RED” light diode on the front of the
SLP2000Xe.
5)The internal Battery backup is 6 V with 500 mAh
which will power the unit for about appr.1 hour if
the main power is lost.

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SLP2000Xe
6)The internal battery is charging even if the
SLP2000Xe unit is turned OFF.

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SLP2000Xe
3. Operation
Introduction
This section contains a description of the operation
controls and provides operating instructions for the
SLP2000Xe. The basic operations covered in this
portion of the manual are:
1) Placing unencrypted telephone calls.
2) Securing a telephone call.
Operating controls
The SLP2000Xe has two keys for controlling its
operation as follows
Figure 1. SLP2000Xe Operating controls
Power On/Off Switch at the rear of the unit – turns
the SLP2000Xe power on and off.

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SLP2000Xe
Secure key – when in non-secure mode this key
is used to secure a telephone call; when in secure
mode this key returns the SLP2000Xe to non-
secure mode.
Light Diode on the Secure key. When the unit is
in secure mode the light diode is GREEN, when
non-secure mode the light diode is RED.
Turning on the SLP2000Xe
To turn the SLP2000Xe on, push the ON/OFF
switch at the rear of the unit. The light diode on the
front of the SLP2000Xe will be red.
Non-secure calls
Non-secure calls can be placed whenever the
SLP2000Xe is powered off or on.
Securing a call
To place a secure call, follow these steps:
1.Pick-up your telephones handset and dial your
phone number normally. Make sure that your
SLP2000Xe is turned on and the light diode on

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SLP2000Xe
the front of the SLP2000Xe is RED. Next, ensure
that the far-end party has a SLP2000Xe or
SLR2000Xe connected to his/her phone and
that their unit is also powered on. Hands free
calls from your phone can not be done in secure
mode.
2.Set your telephones handset volume control if
present o its normal (middle) position.
3.Agree on which one of you will press the Secure
key to initiate secure mode.
Important: Only one party may initiate secure
mode.
To enter secure mode, press the secure-key on
the SLP2000Xe. If the far-end party is the
initiator, you should not press the secure-key.
Voice communications will be blocked while the
SLP2000Xe is securing your phone call.
4.After 8 to 15 seconds the SLP2000Xe light diode
placed at the Secure key will in Secure mode
show GREEN colour.
5. If the external Display (Option) is
installed to the SLP2000Xe the user
can ask the far-end party to read the
5-digit key fingerprint displayed on

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SLP2000Xe
their SLP2000Xe. If their key-fingerprint number
is the same as yours, then the call is secured. If
the key fingerprints are not identical, press the
Secure-key and repeat steps 3 through 6.If the
key-fingerprints continue to differ from each other,
then your call is most likely under a cryptographic
attack by a malicious third party and your privacy
my be compromised. If you find yourself in this
situation, you and the far-end party should both
attempt to move to different locations before trying
to place another secure call.
5.To return to non-secure mode one party must
press the Secure-key (this need not be the same
party that initiated the transition to secure mode).
The other party will then be alerted by the
presence of a non-secure warning tone (3 beeps
in rapid succession). The SLP2000Xe will briefly
display a message indicating that it is
transitioning to non-secure mode. When the
transition is complete, the display will read,
”Non-secure mode”.
Occasionally, drastic changes in telephone line
conditions can occur during a typical phone call. If
this happens the SLP2000Xe my not be able to
maintain line security, in which case it will alert
both users with a non-secure warning tone (3
beeps in rapid succession). At this point steps 3

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SLP2000Xe
through 7 should be repeated in order to re-
establish security.
NOTES:
To prevent the interruption of call security
described above, observe the following restrictions
when attempting to activate or operate the
SLP2000Xe in secure mode:
-Do not use the speakerphone on your telephone.
-Do not press any dialling keys on your
telephone.
-Do not place the secure call on hold.
-Do not pick up an extension on the same line.

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SLP2000Xe
Performing a Self-Test
Your SLP2000Xe automatically performs a self-
test whenever it is powered ON. The light diode on
the front of the SLP2000Xe shall be red and then
press the SECURE button the light diode shall be
green for 12 seconds and then go back to red,
then the self test is done. If the light diode doesn’t
change to green the unit need service.
4. Maintenance/troubleshooting
Maintenance
The only maintenance that the SLP2000Xe
requires is periodic cleaning of the display and
exterior surfaces. These surfaces may be cleaned
using a non-abrasive cleaner and a soft lint-free
cloth. Do not apply cleaner directly to the
SLP2000Xe surfaces but rather apply cleaner to
the cloth and then wipe the SLP2000Xe.
Troubleshooting
Your SLP2000Xe has been designed and
manufactured to provide years of trouble-free
operation. If a problem develops during a secure
call, it can usually be resolved by pressing the
Secure-key and re-initiating the secure call.

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SLP2000Xe
When either party presses the Secure-key to
enter non-secure mode, the other party will be
alerted by the presence of a non-secure warning
tone (3 beeps in rapid secession). This ensures
that both parties are aware that the call is no
longer secured. The light diode at the front of the
SLP2000Xe will show RED colour when this
transition is complete.
If you experience problem with your SLP2000Xe,
re-check all connections and attempt operation
again. If the problem persists, call your local rep.
Table 1 provides additional troubleshooting
guidelines.

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SLP2000Xe
Table 1. Troubleshooting Guidelines
Problem Possible Cause
The Option display
remain blank 1.The power is off 2.Power adaptor is not
plugged into AC outlet
3. Power cord is not
connected to the unit
SLP2000Xe is not able
to secure your call. 1.The phone volume settings are set to high.
2. Another phone is
installed to the same line
is in use.
3.The phone code is
incorrect. Check the
settings using the table
in Appendix A
4.The phone connection
is poor quality, place the
call again.
5. Both parties are
attempting to initialize
secure mode.
6.The remote phone is
cordless or has a switch
in the handset.
Far end party can not
hear you during a secure
call
1.The far end party’s
earpiece volume is set
too low

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SLP2000Xe
3.The SLP2000Xe
phone type cord is
incorrect.
4.The two party’s don’t
use the same
SLP2000Xe system.
1.The earpiece volume
is not adjusted
Secure speech sounds
noisy or raspy 1.The earpiece volume is adjusted to high
2.The far-end party’s
code on the SLR2000Xe
is incorrect, see table for
change of codes.
Self test Failure Turn OFF the unit on the
rear of the SLP2000Xe
and turn it on again. If
this problem remain
please contact your local
rep.

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SLP2000Xe
APPENDIX B - SPECIFICATIONS
Security Features
Traffic Algorithm:
Triple DES as per ANSI specification X9.52
Traffic key :
168-bit unique, random key negotiated for
each call
Public key algorithm:
Diffie-Hellman exponentiation.
Public key modulus:
1024 bits
Public key exponent:
256 bits.
Key fingerprint display (Option) prevents man-in-
the-middle attacks.
Modem
9600 bps CCITT V.32 full duplex, echo cancelling.
Vocoder
ITU G.729 ASA-Celp at 8kbps

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SLP2000Xe
Physical characteristics
280mm x 190mm x6 mm 2.0 kg
Environmental
Operating temperature: 10 gr C to 40 gr C
Storage temperature: -20 gr C to 50 gr C
Humidity: 10-95% non-condensing.
Power
Wall mount power adapter
220-240 VAC, 50 Hz
Power dissipation < 6 watts
Optional wall mount international power adapter
115VAC, 60 Hz
Internal Battery 6 V rechargeable.
2004-09-29