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Figure 37: Enable expansion port 2
NOTICE
If the expansion port SD is switched to the USB flash drive mode, the USB port is blocked and cannot
be used for anything else.
9.4
Compatibility with Wieland routers
Expansion port SD can be used in all v2 routers with available PORT2. Therefore, it is designed for
routers in version known as FULL.
9.5
Port status
LED port indicator
Green LED
Yellow LED
9.6
Technical specifications
Expansion port SD
Power supply
Environment
Standards
Supported technologies
NOTICE
For used SD cards it is necessary to distinguish industrial from commercial version. Industrial SD
cards are usually marked with the word Industrial and are predetermined to demanding conditions.
In practice, this means that industrial card can be used throughout the range of operating tempera-
ture of SD expansion port. Another advantage is the increased resistance to falls and vibrations.
9.7
Delivery identification
Trade name
SD
Figure 38: Example of expansion port Wi-Fi label
Wieland Electric GmbH | BA000917 | 08/2021 (Rev. C)
Indicates when the expansion port SD is switched to the mode in which SD
card extends the internal memory of the router.
Indicates when a file is copied to the SD card
Internal
Operating temperature
Storage temperature
Emission
Immunity
Safety
Type name
SD
Expansion port SD
+3.3 V
-30 ... +60 °C
-40 ... +85 °C
EN 55022/B
ETS 300 342
EN 60950
HS-SD, SDHC
38
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