Mobile Radio Full Installation Guide SCG22 Series Transceiver
Original Instructions: ENGLISH Document Number: SPR-DOC-04384 Issue 3.0 Copyright © Sepura Limited 2002–2021 All rights reserved. This document is intended for the use of Sepura Limited customers and/or other parties only for the purposes of the agreement or arrangement under which this document is submitted, and no part of it may be reproduced or transmitted in any form or means without the prior written permission of Sepura Limited. Disclaimer Sepura’s policy is to continually improve its products.
Contents Safety Information........................................................................... 2 SCG22 Cabling and Connections................................................ 17 SCG22 Model Variant Options....................................................... 2 DC Supply Connection........................................................ 17 Console Options and Accessories................................................ 2 Digital I/O Connections...................................................
Safety Information READ THE TETRA PRODUCT SAFETY GUIDE (SPR-DOC-00170) SUPPLIED WITH THE SCG22 FOR IMPORTANT INFORMATION ABOUT SAFELY OPERATING THIS PRODUCT. ALWAYS POWER OFF the mobile radio in environments where RF wireless devices could potentially cause an explosion. Potentially hazardous areas are not always signed. Obey all signs and instructions relating to the usage of RF wireless devices. DO NOT touch the antenna when the mobile radio is powered on.
Mobile Radio Internal Back-up Battery CAUTION! The SGC22 contains a backup battery. The battery must not be replaced by the user. The equipment must be disposed of using correct WEEE requirements. The equipment must not be dismantled, or left in conditions outside of the stated environmental storage and operating specifications. The SCG22 mobile radio has a small rechargeable internal back-up battery.
RF Energy Vehicles Fitted with Electronic Devices To prevent interference with any other electronic systems in the vehicle, the antenna should be mounted as far away as possible from these units and their associated cables. Refer to the vehicle manufacturer's handbook to locate these items. In the interests of safety, the user must be asked to test the vehicle when the installation is complete. Motor vehicle manufacturers make use of electronic vehicle control systems, e.g.
Temperature and Orientation Considerations WARNING! The heatsink may become hot after long periods of transmission. Ensure accidental contact with the heatsink is not possible. Reliable transmit operation will be achieved if the SCG22 is mounted such that the heat sink fins receive a free flow of air, i.e., if it is mounted within 15° of the normal vertical orientation with no restriction to the flow of convected air. For any other orientation, varying degrees of degradation may result.
Connector Sealing To maintain the product's IP54 rating to protect against dust and moisture ingress, the SCG22 must be fitted with connector seals. Any unused connectors must be fitted with a seal bung. An IP54 Sealing Kit is provided with the SCG22 consisting of all the sealing parts required. 2. If the D-connector is currently unused, fit a seal bung fully into the D-type seal and tighten the screws within the specified torque range.
RF Compatibility Checks Adjusting the SCC3 Console On completion of the installation, the following checks must be carried out if the vehicle is equipped with electronic anti-skid, electronic ignition or engine management systems. WARNING! In the event of an apparent malfunction in the braking or any other systems during RF compatibility checks, the SCG22 installation should be rendered inoperative and the vehicle manufacturer should be contacted before any further use is made of the SCG22 installation.
SCG22 Variants Additional Equipment Connecting Leads The following variants of the product are available: Single Console Part no.
SCG22 Components and Connections Rear Panel Front Panel Component/Connector Connector Type Description 1 TETRA Antenna BNC Connection for a suitable external TETRA antenna 2 LED Indicator N/A Illuminates red when the SCG22 has booted up 3 I/O1/SPK1/PRG 9 Way D-sub, Female First console loudspeaker, USB programming , 2 GPIO lines, PEI and packet data over USB 4 Console 1 15 way D-sub, Female First Console (HBC3/SCC3) supporting radio programming, PEI, packet data and remote SIM card reade
Fitting a SIM Card DIN Slot Mounting Considerations 1. Undo the cover securing screw and tilt open the SIM card cover. PZ-2 CAUTION! Ensure there is enough depth in the DIN slot to accommodate the SCG22 and connected cables without causing damage. If the SCG22 is mounted into a DIN slot, consideration must be given to the depth available to safely accommodate the radio and any connecting cables.
Front Mounting the SCC3 Console The SCC3 console can be fitted directly to the front panel of the SCG22 using the SCG22 Local Console Adaptor Kit (300-02050). The combined unit can then be mounted using one of the bracket options, or into a DIN mount slot in the vehicle. 3. Carefully pull the fascia cover away from the SCG22. Apply even pressure to ensure the D-connector PCB is removed without damaging the connectors.
5. Fit the connecting cable supplied in the mounting kit to the front connector on the SCG22. Ensure the connector is firmly clipped in position. CAUTION! ESD precautions must be taken during replacement of the rear cover. 7. Remove the eight screws on the rear of the SCC3 and remove the existing cover. Retain the screws for re-use. IMPORTANT! Fit a SIM card before fitting the SCC3 adapter plate. The SIM card is not accessible after the SCC3 has been fitted. 6.
CAUTION! To maintain the product IP seal rating, care must be taken not to damage the rear cover seal. Do not stretch the seal when refitting. 10.Fit the silicon blocks (supplied with the kit) firmly into position either end of the new rear cover as shown. 8. Carefully remove the rear cover seal from the existing cover. Fit the seal into the channel on the adaptor rear cover included with the mounting kit. 11. Fit the other end of the cable to the socket on the of the SCC3. 9.
12.Fit the SCC3 on to the adapter plate, taking care to ensure the cable is neatly folded in the seal housing and does not get trapped. Secure in position using the four screws provided. SCG22 Mounting Kit Options The SCG22 can be mounted using a range of options to suit the installation. The mounting options can be used with or without the SCC3 console fitted to the front panel of the SCG22. SCG22 DIN Mount Kit 1.
2. Fit the DIN cage into the slot within the vehicle. 3. When all the cabling has been routed and connected to the rear panel of the SCG22, slide the unit fully into the DIN cage.
Mounting Bracket SCG22 U Bracket Mount Kit The SCG22 can be fitted to the optional U Bracket Mount Kit (30002052), providing a flexible mounting solution to a flat surface. If the SCC3 console is fitted to the front panel of the SCG22, the bracket can be tilted to provide an optimum viewing angle. CAUTION! Ensure fixing screws are of an appropriate type and length for the surface material the bracket is being mounted on to.
SCG22 Cabling and Connections DC Supply Connection CAUTION! The transceiver is designed for nominal 12V negative earth systems. DO NOT use on other supply systems because this will result in damage to the product. WARNING! 12V supply leads, antenna cables and speaker wiring must be routed as far away as possible from gas or fuel lines, and any in-vehicle electrical wiring. This reduces the risk to safety in the event of a leak.
Loudspeaker Connections USB Connections The following lead options provide connection to loudspeakers: A USB 2.0 Full-Speed 12Mbps host* connection lead is available for connecting approved USB devices: • • • • SCG Loudspeaker / IO Lead SCG Loudspeaker / IO USB Host Lead SCG Loudspeaker / IO USB Slave Lead SCG Expansion Board Loudspeaker / 8 GPIO Lead CAUTION! The transceiver will be damaged if either of the loudspeaker conductors (grey twin conductor cable) is connected to ground.
Ethernet Connection (optional) Antenna Connections The SCG22 RJ45 Ethernet socket provides an additional connection for data. CAUTION! To maintain an IP54 rating, follow the instructions below to prevent any water ingress. Ensure the RJ45 connector is fully inserted into the socket and the sealing boot skirting is pressed firmly against the rear panel. WARNING! Observe all safety warnings relating to the location and use of the antennas.
Cabling and Connections Overview - All Models GNSS Antenna TETRA Antenna Wi-Fi/ Bluetooth Antenna** Jack socket - Do not connect audio devices HBC Interface and Hands-Free Box* SCG22 (front) SCG22 (rear) Remote Mic* Switches I/O1 connection options HBC3 I/O2 connection** options Power and Ignition Sense connection options Second console connection**: An additional SCC/HBC3 A front-mounted SCC3 Ethernet** SCC3 (rear) Fist Mic* Fist Mic* Handset* Handset* Remote Mic* Colour Console Cable VAC F
Cabling and Connections to an SRG Installation If the vehicle was previously fitted with an SRG mobile radio installation, the SCG22 can be connected to the existing SRG power cable using one of the optional adapter cables available. Existing ignition, IO and loudspeaker functions from the current installation will be retained.
USB Programming Lead (300-02009) The lead provides a USB slave connection for programming the SCG22. USB Type A Plug (Slave) USB OTG SCG Power/Ignition Lead (300-02010) The lead provides power for the SCG22. An ignition sense wire is also provided for connection to the vehicle ignition system. For important information about installing and connecting the lead see the section "DC Supply Connection" on page 17.
SCG Loudspeaker / IO USB Host Lead (300-02012) Pink/White I/O 0 I/O 1 Orange/White USB OTG USB Type A Socket (Host)* Grey Loudspeaker 1 output Grey/Black *USB 2.0 Full-Speed 12Mbps Host connector – Type A - provides power to devices (5VDC at 0.5A max).
SCG Expansion Board Loudspeaker / 8 GPIO Lead (300-02014) If the optional expansion board is fitted to the SCG22, an additional connector (I/O 2) provides connection for a second loudspeaker and 8 GPIO lines.
Programmable I/O Hardware Characteristics for the I/O Lines The SCG22 supports the following programmable digital I/O lines, depending on the variant: The following characteristics apply to all the individual I/O lines, dependent on whether they are configured as inputs or outputs: GPIO 1 Connector Two I/O lines available GPIO 2 Connector Eight I/O lines available Each individual I/O line can be configured as either an input or an output, as required in the installation.
SCC3 Console Cabling the SCC3 The SCG22 can accommodate up to two SCC3 consoles, or a combination of an SCC3 console and an HBC3 handset-based console. WARNING! Before starting to install the SCC3 console, see the section "Installation Precautions" on page 3. SCC3 Connections and Cabling WARNING! Ensure that the transceiver is powered OFF before making any connections to the SCC3. IMPORTANT! If the SCC3 is mounted directly to the SCG22 the internal connectors are not accessible.
SCC3 Mounting Options There are a number of options available for mounting the SCC3 console within the vehicle, including direct mounting onto the front panel of the SCG22 (see "Front Mounting the SCC3 Console" on page 11). This guide provides information on installing the SCC3 using the AMPS or DIN slot mount kits designed for in-vehicle use. Choose the best mounting option to suit the vehicle. Fixing Hole Positions 25 56 36.5 72 36.
4. Slot the pivot mount support bracket into the dash mount bracket. Secure in place using the single fixed sprung screw knob. 1. Secure the dash mount bracket into position using the three self-tapping screws provided. 2. Make the cable connections to the SCC3. See the section "Cabling the SCC3" on page 26. PH2 3. Fix the Pivot mount support bracket to the rear of the SCC3 using the two screws provided (maximum tightening torque = 0.8 Nm).
DIN Mount Kit The SCC3 can be fitted into the vehicle using a DIN mount kit and DIN cage. Note: Ensure that the cabling to the SCC3 is made to the SCG22 before DIN mount installation. Cabling to the SCC3 is completed when the cables are fed through the DIN cage and secured in the DIN mount. 3. Feed the cables through the DIN mount and make the cable connections to the SCC3. See the section "Cabling the SCC3" on page 26. 4.
6. Route the cables neatly in the channels on the rear of the DIN adapter. Fit the seal bungs provided into any unused channels. 8. Push the assembly fully into the DIN cage. To remove, use the DIN release tools (provided) 7. Fit the cable access cover over the cables and any seal bungs, using the screws provided.
1. Apply silicone sealant* to the occupied seal bung slots in the assembly. We recommend that you use a small diameter nozzle. Apply enough sealant to each slot to ensure that all the external rubber/plastic boundaries are protected. AMPS Mounting Options The SCC3 can be fitted into the vehicle using a range of AMPS mounts available to suit installation requirements. 1. Feed any cables required to the SCC3 and connect them as shown in the section "Cabling the SCC3" on page 26. 2.
AMPS Ratchet Hinge Mount The optional Ratchet Hinge Mount secures the SCC3 to the vehicles interior and provides viewing angle adjustment in the vertical plane. 2. Fit the other half of the bracket into position using four screws. 1. Fit one half of the AMPS bracket to the AMPS backplate on the rear of the SCC3, using the screws and washers provided. Fit the optional p-clip to one of the mounting points, routing any cables through from the SCC3. PZ-1 MAX 0.
AMPS Ball Mount The optional ball mount provides flexible mounting options for the SCC3 when used in conjunction with the range of compatible mounting arms and brackets. 1. Fit the AMPS ball mount to the AMPS backplate on the rear of the SCC3 using suitable screws and washers. Fit the optional p-clip to one of the mounting points, routing any cables through from the SCC3. PZ-1 MAX 0.
3. Press the inner wires of the Remote Console cable into the clips on the PCB. Note: Before fitting the optional remote microphone and switches cable see the section "Remote Microphone and Switches Installation" on page 35. 6. Plug the HBC3 into the interface box through the retaining clip and fold the clip back over the connector body to retain it securely in position. 4. Connect the optional remote microphone and switches cable into the 10-way connector.
Configuring the HBC3 Remote Microphone and Switches Installation The HBC3 can be configured for either Handset mode or Fist Mic mode as part of the installation. Configuration is done when powering on the handset, whilst pressing and holding the PTT and Navi-keys as described below. The mode persists even if the power supply is disconnected. It is recommended that the microphone is located away from any wind noise in a position suitable for the user, such as near the internal rear view mirror.
When used in conjunction with the HBC3, the soft key of the remote microphone and switches accessory is only operational with the interface box revision 2.0 or later. To enable it with the revision 1.0 interface box, an additional shorting link must be added between pins 4 and 6. The revision of the interface box is indicated by the fourth digit of the serial number on the product label.
Connecting a Remote SIM Reader Mobile Data Terminal To install an optional Remote SIM Reader, connect the device to the console 1 connector on the rear panel of the SCG22 using a remote console cable not exceeding 7m in length. This guide does not include specific details about installing with a Mobile Data terminal (MDT).
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