INSTALLATION MANUAL
CMA-5024 GLSSU
This document includes Proprietary Information and shall not be reproduced or communicated to third party
without prior written permission by CMC Electronics Inc.
Page 29
Revision 1 Jan 19, 2009
CHARACTERISTICS SPECIFICATION
ADS-B Compliance 5.33 knots (2.74 m/s) horizontal, 95% figure of merit
574.34 ft/min (9.57 ft/s) vertical, 95% figure of merit
Accuracy of horizontal and vertical velocities including 95% FOM are ADS-B
compliant to NAC
V
= 2 (per RTCA/DO-242A section 2.1.2.14). Tests were
conducted in accordance with RTCA/DO-253C section 2.5.3.4.3.
Time Accuracy (Time-Mark
pulse output)
+-2 usec (Refer to paragraph 3 in Appendix A)
Position output update rate Ten times per second (GLS bus outputs)
Once per second (GPS bus outputs)
High Integrity Switch (HIS) Pass-through transport delay, from the ARINC-429 input data busses side to the
ARINC-429 output data busses side:
- 0.5 usec maximum when selecting an ILS source*
- 100 msec maximum when selecting a GLS source **
The type of approach is determined by the ILS/GLS Source Select Discrete input
at the secondary aircraft connector pin J3-18.
1
The "NARROW-CORRELATOR" technology is trademarked by NOVATEL Inc. Calgary, Alberta Canada.
* For ILS sources, the HIS passes-through transparently all the DME/ILS labels received at the input sides
** For GLS sources, the HIS intercepts the DME/ILS input data labels specified by the active APD Configuration,
substituting DME/ILS look-alike data labels computed by the GLSSU. All other data labels received at the input
sides are passed-through, delayed as specified but otherwise unchanged.
Figure 12. GLSSU Performance Specifications (Sheet 2 of 2)
The document reference is online, please check the correspondence between the online documentation and the printed version.
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