Expansion port SD
Wieland Electric GmbH | BA000917 | 08/2021 (Rev. C)
38
Figure 37: Enable expansion port 2
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
Indicates when the expansion port SD is switched to the mode in which SD
card extends the internal memory of the router.
Yellow LED
Indicates when a file is copied to the SD card
9.6
Technical specifications
Expansion port SD
Power supply
Internal
+3.3 V
Environment
Operating temperature
-30 … +60 °C
Storage temperature
-40 … +85 °C
Standards
Emission
EN 55022/B
Immunity
ETS 300 342
Safety
EN 60950
Supported technologies
HS-SD, SDHC
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
Type name
SD
SD
Figure 38: Example of expansion port Wi-Fi label
NOTICE
NOTICE
