User`s guide

ManualsBrandsMotorola ManualsGadgetsRADIUS GP300

______________________________________________________________________________________

23210 Bernhardt St. •• Hayward, CA. 94545, U.S.A. •• (800) 227-0376

Fax: (510) 781-5454 •• E-Mail admin@selectone.com •• www.selectone.com

MANUFACTURER OF:

•ANI Systems •Voice Encryption Modules

•Mobile Data •Tone Signaling Boards

Manual # 600-1701 March 3,1999

USER'S GUIDE FOR

INSTALLATION AND OPERATION

MODEL ST-025BGP

Mobilecall

Voice Encryption Module

For use in Motorola GP300, GP88, P110, and

P110-5T (European Version) Transceiver

Summary of content (9 pages)

PAGE 1
MANUFACTURER OF: •ANI Systems •Mobile Data •Voice Encryption Modules •Tone Signaling Boards Manual # 600-1701 March 3,1999 USER'S GUIDE FOR INSTALLATION AND OPERATION MODEL ST-025BGP Mobilecall® Voice Encryption Module For use in Motorola GP300, GP88, P110, and P110-5T (European Version) Transceiver ______________________________________________________________________________________ 23210 Bernhardt St. Fax: (510) 781-5454 • • Hayward, CA. 94545, U.S.A. E-Mail admin@selectone.
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TABLE OF CONTENTS GENERAL.............................................................................................................................................................. 2 SPECIFICATIONS................................................................................................................................................. 2 OPERATION..........................................................................................................................................................
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code key. Ciphered reception is automatic; other units transmitting with the selected code key will be automatically deciphered. Clear transmissions will also be received automatically. GENERAL The ST-025BGP is an ST-025B voice encryption device with additional application components and instructions for use with the Motorola Radius Model GP300 Transceivers. It is used to secure two way radio communication systems.
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Code Keys for each unit. These may be used to provide different levels of security within a particular radio USER CODE KEYS Of the more than 268 million available code keys, four may be selected and easily accessed as User system (officers, sergeants, lieutenants, captains). accessed via the Selectone Web page on the Internet at www.selectone.com. The ST-25 Product manager is launched from the Select.one directory as ST25.exe. As a default, com port #1 is used. To select com port #2 use ST25.
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. 6. Remove the metal case from the transceiver main board by unclipping the four spring clips. On the back side of the transceiver main board (the side towards the battery pack), remove R455 and R506, see FIGURES 2a and 2b. Not on newer versions of radios. GP300, P110, **(GP88, P110-5T) FIGURE 2a (UHF) GP300, P110, **(GP88, P110-5T) FIGURE 2b (VHF) ** May vary slightly 7. Five wires wrap around the end of the metal case and go to points that are normally covered by the metal case.
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• • • • • Red Black/Brown Yellow White/Orange (add the supplied 1.2M resistor in series with this lead). Brown FIGURE 3* - Capacitors may not be on older version boards, may vary slightly.
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GP300, P110, **(GP88, P110-5T) FIGURE 4b (VHF) ** May vary slightly 8. 9. Reattach the metal cover to the transceiver main board. Attach the remaining five wires to P1 as shown in FIGURE 4. The wires should be as short as possible to prevent them from binding as the radio is reassembled.
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3 Pole High Pass C1 .022uF C2 8 .01uF R1 R2 200K 200K R5 9 U1C 10 + R6 4.3K 180K C4 2200PF TL064 C5 2200PF R3 36K 13 14 U1D 12 + TL064 C6 2200PF R9 1.2M R10 33K R7 VBias R8 75K 75K R12 120K R11 2.7K R4 33K C3 .01uF +5Vdc R14 11K VBias **MODULATOR** 4 2 VBias C7 .
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COMPONENT LOCATOR C24 U6 U7 U5 Q1 U3 R42 C11 R21 C13 C16 R37 R40 C12 R46 R4 R35 R14 R34 U4 C17 R44 C14 R27 R22 R26 R39 R36 + R45 C9 R7 R31 R38 R32 U2 C20 C21 R3 R17 R15 C7 C10 R16 C15 C18 C19 R43 R25 R30 + R13 R33 J1 R20 R10 C3 U1 R12 R24 C22 C1 R8 C2 R5 R6 R29 C8 R18 R9 Y1 R19 R1 R2 C4 C5 C6 R11 INSULATED JUMPER WIRE TO PIN 3 OF U7 R28 TOP SIDE BOTTOM SIDE WARRANTY POLICY All standard Selectone products are guaranteed to meet or excee