MDS 05-4846A01, Rev. D SD Series Technical Manual 5
Data Validation Additionally, the MAC validates all messages and purges corrupted data
from the system. Successful delivery of data is ensured through the use
of retries and acknowledgements. Minimal overhead is used to accom-
plish these tasks, which translates to increased bandwidth efficiency of
the radio channel. The SD MAC introduces minimal latency, ensuring
that messages are delivered in a timely manner.
2.3 Model Offerings
The radio is available in three model configurations:
• Ethernet—All SD features and functionality
• Standard—All SD features, except over-the-air Ethernet data
• x710—Direct, drop-in compatibility for networks using a mix of
SD and older MDS x710 radios
Model Number
Codes
The unit’s complete model number is printed on the bottom label. Addi-
tional unit details are available through the Overview Screen, described
later in this manual.
2.4 Operating Modes and Applicable Manuals
The radio may be configured to operate in any of three modes as fol-
lows:
• Packet Mode—Payload data from the radio’s serial and Ethernet
ports is assembled into packets and transmitted over the air.
Packet mode supports Ethernet Bridging, AES 128-bit encryp-
tion, and Virtual Radio Channels (VRC). Packet Mode encom-
passes both “Packet” and “Packet w/ MAC” mode selections.
Packet mode is intended for networks containing all SD radios.
This manual covers Packet Mode radios.
• Transparent Mode—This mode is over-the-air compatible with
MDS x710 transceivers, while supporting payload data on the
Ethernet interface. This mode is ideal for mixed networks con-
taining SD and older MDS x710 radios. It allows currently
deployed x710 networks to add support for Ethernet data. This
manual covers Transparent Mode radios.
x710 Mode (Different
Manual Required)
• x710 Mode—This mode provides direct, drop-in compatibility
with MDS x710 (4710 or 9710) transceivers, and uses the same
core command set as these radios. It is designed for use in systems
containing a mix of newer SD radios and legacy MDS x710 units.
This manual does not cover x710 Mode operation. Refer instead
to the following manuals for x710 instructions:
• Start-Up Guide (x710 Mode)— Part No. 05-4669A01
• Technical Manual (x710 Mode)—Part No. 05-4670A01
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