Apollo SL User manual

Apollo
Mode A/C Transponder
Model SL70
Installation Manual
October 1999 560-0402-00a

1999 by UPS Aviation Technologies. All rights reserved.
Printed in the U.S.A.
No part of this document may be transmitted, reproduced, or copied in any form or by any means
without the prior written consent of UPS Aviation Technologies. Due to our commitment to
constantly improve the quality and performance of our products, information contained in this
document is subject to change without notice.
UPS Aviation Technologies and Apollo are registered trademarks of UPS Aviation
Technologies.
UPS Aviation Technologies 2345 Turner Rd. S.E.
P.O. Box 13549 Salem, OR 97302
Salem, OR 97309 U.S.A.
Phone [phone]
1-800-525-6726
In Canada 1-800-654-3415
FAX [phone]

HISTORY OF REVISIONS
Revision Date Description
-- 8/26/99 Initial release.
-00a 10/4/99 Added new connector pins and crimping tools, added radar
altimeter checkout and limitations
IMPORTANT NOTE
The conditions and tests required for TSO approval of this article are minimum performance
standards. It is the responsibility of those desiring to install this article on or within a specific
type or class of aircraft to determine that the aircraft operating conditions are within TSO
standards. The article may be installed only if further evaluation by the applicant documents
an acceptable installation and is approved by the Administrator.
ORDERING INFORMATION
To receive additional copies of this publication, order part # 560-0402, Apollo SL70 Mode
A/C Transponder Installation Manual.
REFERENCE PUBLICATIONS
Following are other publications referenced in this guide.

NOTES

Table of Contents
Apollo SL70 Installation Manual i
TABLE OF CONTENTS
SECTION 1 - INTRODUCTION.................................................................................................1
ABOUT THIS MANUAL......................................................................................................................1
APOLLO SL70 DESCRIPTION.............................................................................................................1
FEATURES.........................................................................................................................................2
REGULATORY COMPLIANCE .............................................................................................................2
UNPACKING THE EQUIPMENT............................................................................................................3
PACKAGE CONTENTS........................................................................................................................3
OTHER REQUIRED MATERIALS .........................................................................................................3
SPECIAL TOOLS REQUIRED ...............................................................................................................4
SECTION 2 - INSTALLATION..................................................................................................5
PRE-INSTALLATION INFORMATION....................................................................................................5
INSTALLATION OVERVIEW................................................................................................................5
INSTALLATION CONSIDERATIONS......................................................................................................5
MOUNTING CONSIDERATIONS....................................................................................................................................5
MINIMUM SYSTEM CONFIGURATION .........................................................................................................................5
ALTITUDE INPUT........................................................................................................................................................5
ANTENNA..................................................................................................................................................................6
EQUIPMENT MOUNTING....................................................................................................................6
UNIT INSTALLATION / REMOVAL...............................................................................................................................7
ELECTRICAL CONNECTIONS..............................................................................................................7
POWER ......................................................................................................................................................................8
ALTITUDE INPUT........................................................................................................................................................8
SERIAL INTERFACE....................................................................................................................................................8
DISCRETE INPUTS......................................................................................................................................................8
ANTENNA INSTALLATION AND CONNECTIONS ..................................................................................9
POST INSTALLATION CHECKOUT.....................................................................................................12
TEST MODE CHECKOUT AND SETUP........................................................................................................................12
OPERATION / PERFORMANCE CHECKOUT................................................................................................................13
INSTRUCTIONS FOR CONTINUED AIRWORTHINESS...........................................................................15
SECTION 3 - SPECIFICATIONS.............................................................................................17
ELECTRICAL ...................................................................................................................................17
PHYSICAL .......................................................................................................................................17
ENVIRONMENTAL ...........................................................................................................................18
ALTITUDE INPUT.............................................................................................................................18
DISCRETE INPUTS ...........................................................................................................................18
SERIAL INTERFACE .........................................................................................................................18
TRANSPONDER PERFORMANCE.......................................................................................................19
ANTENNA REQUIREMENTS..............................................................................................................19
SECTION 4 - LIMITATIONS...................................................................................................21
INSTALLATION ................................................................................................................................21
OPERATIONAL ................................................................................................................................21
APPENDIX A - TROUBLESHOOTING..................................................................................23
CONTACTING THE FACTORY FOR ASSISTANCE................................................................................24

Table of Contents
ii Apollo SL70 Installation Manual
APPENDIX B - PERIODIC MAINTENANCE ....................................................................... 25
BIENNIAL CHECK ........................................................................................................................... 25
CLEANING THE FRONT PANEL ........................................................................................................ 25
APPENDIX C - ENVIRONMENTAL QUALIFICATIONS.................................................. 27
APPENDIX E - SERIAL DATA PROTOCOL........................................................................ 29
ALTITUDE INPUT / OUTPUT......................................................................................................................................29
LIST OF TABLES
TABLE 1 PACKAGE CONTENTS........................................................................................................ 3
TABLE 2 REAR CONNECTOR PINOUT............................................................................................. 20
TABLE 3 TROUBLESHOOTING GUIDE............................................................................................. 23
TABLE 4 ALTITUDE DATA FORMAT............................................................................................... 29
LIST OF FIGURES
FIGURE 1 SL70 FRONT PANEL ........................................................................................................ 2
FIGURE 2 MOUNTING FRAME ASSEMBLY........................................................................................ 6
FIGURE 3 CABLE ROUTING.............................................................................................................. 7
FIGURE 4 COAX CABLE ASSEMBLY................................................................................................. 9
FIGURE 5 WIRING DIAGRAM - GRAY CODE ALTITUDE INPUT ....................................................... 10
FIGURE 6 WIRING DIAGRAM - SERIAL ALTITUDE INPUT................................................................ 11
FIGURE 7 UNIT DIMENSIONS ......................................................................................................... 17

Introduction
Apollo SL70 Installation Manual 1
SECTION 1 - INTRODUCTION
ABOUT THIS MANUAL
This manual describes the installation of the Apollo SL70 transponder . It is intended for use
by persons certified by the Federal Aviation Administration (FAA) to install aircraft avionics.
Provides an introduction to the Apollo SL70 unit. TSO certification information
is also included in this section.
Includes installation and checkout procedures.
Includes complete specifications.
Includes limitations for the equipment and installation.
Includes troubleshooting information.
Includes periodic maintenance requirements.
Includes the environmental qualification form.
Includes serial data protocol specifications.
APOLLO SL70 DESCRIPTION
The Apollo SL70 is a TSO-C74c, Class A2, mode A/C transponder. The SL70, in addition to
providing replies to ATC interrogations, includes an altitude display and altitude hold function
and user-friendly interface features including rotary knob squawk code selection, a VFR
button, and built-in self-test and diagnostics.
Section 1
Section 2
Section 3
Section 4
Appendix A
Appendix B
Appendix C
Appendix E

Introduction
2 Apollo SL70 Installation Manual
Figure 1 SL70 Front Panel
FEATURES
•small size 1.3” panel height
•full range input supply voltage
•high brightness LED display
•altitude display
•altitude hold function
•gray code or RS-232 serial data altitude input
•RS-232 altitude data output
•built-in self-test and diagnostics
REGULATORY COMPLIANCE
The Apollo SL70 is designed and tested to meet the following TSO:
•FAA TSO-C74c, Class A2
The SL70 complies with the FCC requirements specified in:
•CFR 47, Part 87, Aviation Services, Subpart D, Technical Requirements
The SL70 software is designed and tested to RTCA/DO-178B, level C.
Note: Un-authorized changes or modifications to the SL70 may void the
compliance to regulatory agency requirements and authorization for continued
equipment usage.

Introduction
Apollo SL70 Installation Manual 3
UNPACKING THE EQUIPMENT
Carefully unpack the equipment. Visually inspect the package contents for any evidence of
shipping damage. Retain all shipping containers and packaging material in case reshipment is
necessary.
PACKAGE CONTENTS
As shipped from the UPS Aviation Technologies factory, the Apollo SL70 package includes
most necessary items for installation other than supplies normally available at the installation
shop, such as wire and coax cable, the antenna, or any optional switches. The items included
in the package are listed in Table 1.
Table 1 Package Contents
Part # Description Qty
Apollo SL70 Installation Kit, Part # 424-0306-xx
162-0103 or
162-1577 37 pin dsub connector shell 1
162-0043 Right angle coax plug 1
202-0001 Cable tie 2
204-0037 Edge grommet 6”
221-0400 4-40 x ¼ SS pan head Phillips machine screw with lock
washer 10
224-0404 4-40 x ¼ flat head Phillips machine screw 2
240-0008 9/16 OD flat washer 1
245-0022 or
245-0027 Crimp contact for dsub, 20 to 24 awg wire 37
265-0007 7/16” retaining ring 1
310-2295-00 Connector mounting bracket 1
310-5181-00 Mounting frame 1
998-0048 3/32 hex driver 1
Apollo SL70 Manual Kit, Part # 564-0072-xx
560-0401-00 SL70 User’s Manual 1
560-0402-00 SL70 Installation Manual 1
OTHER REQUIRED MATERIALS
In addition to the materials supplied with the SL70, the following is required.
•a suitable 2A circuit breaker
•an altitude data source – either gray code or RS232
•a standard transponder antenna (see Antenna information on pages 6 and 19)

Introduction
4 Apollo SL70 Installation Manual
SPECIAL TOOLS REQUIRED
Crimp Tool
A crimp tool meeting MIL specification M22520/1-01 and a positioner/locater are required to
ensure consistent, reliable crimp contact connections for the rear 15 pin connector. These tools
are available from:
For pin p/n 162-0100
Astro Tool Corp. Phone [phone]
21615 SW TV Highway Fax [phone]
Beaverton, OR 97006
Crimp tool: Astro Tool part #615708
Positioner: Astro Tool part #616356
For pin p/n 162-1575
ITT Cannon Phone [phone]
1851 E. Deere Ave. Fax [phone]
Santa Ana, CA 92705-6500
Insertion tool: ITT part # 274-7006-000 (Desc. CIET-20HD)
Regular duty Crimp tool: ITT part #995-0001-585 (Desc. M22520/1-01)
Regular duty Locator tool: ITT part #995-0001-244 (Desc. TH25)
Heavy duty Crimp tool: ITT part #995-0001-584 (Desc. M22520/2-01)
Heavy duty Locator tool: ITT part #995-0001-604 (Desc. M22520/2-08)