Version 16.10 AF-6600 AF-5000 Series Install Manual 99
P/N: 74109 Dynon/AFS SV-261 Transponder
The SV-261 Mode S transponder is a DO-181D compliant Mode S level 2els datalink transponders, with support for
ADS-B extended squitter, which also meets the relevant environmental requirements of DO-160F/ED-14F. The SV-
XPNDR-261 has a nominal power output of 250 watts, and meets the power output requirements for Class 1. The ADS-
B function meets DO-260B class B1S. The SV-261 is certified to ETSO 2C112b and ETSO C166a, and to FAA TSO C112c
and C166b.
The SV- 261 transponder is controlled using the AF-5000 on-screen menu system. This allows the transponder to be
mounted separately from the instrument panel and reduces the amount of panel space taken by the transponder. The
AF-5000 also provides pressure altitude directly to the transponder, eliminating the need for a separate altitude
encoder.
The SV-261 transponder runs from either 14 volt nominal or 28 volt nominal DC power supply with no configuration
changes required.
The SV-261 transponder responds to both legacy Mode A/C interrogations and to Mode S interrogations from both
ground radar and airborne collision avoidance systems. In all cases, the interrogations are received by the transponder
on 1030MHz, and replies are transmitted on 1090MHz
The SV-261 has a single D25 female connector which provides the data and power inputs to the transponder. A single
TNC coaxial connector attaches to the antenna.
SV-261 Interface – Pinout (Female D25)
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