TransPort WR21 hardware
Digi TransPort User Guide 29
TransPort WR21 hardware
TransPort WR21 front panel features
1. SIM/R-UIM sockets (SIM card models only): SIM 1 and SIM 2 are for use with the Subscriber
Identification Module(s) (SIMs) or Removable User Identification Module(s) (R-UIMs).
2. POWER LED:
• Off: No power
• Green: TransPort device is powered
3. SERVICE LED:
• Off: No WWAN network connection
• Green: WWAN network connection
• Flashing: WWAN traffic being transmitted or received
4. WWAN (Wireless Network) LED: Indicates the presence and level of cellular service running on the
device.
• Off: No cellular service
• 1 Blink: GPRS mode
• 2 Blinks: EDGE mode
• 3 Blinks: UMTS mode
• 4 Blinks: HSDPA mode
• 5 Blinks: HSUPA mode
• 6 Blinks: LTE mode
5. SIGNAL LED: Indicate strength of cellular signal.
• 3 LEDs: Excellent
• 2 LEDs: Good
• 1 LED: Fair
• 0 LEDs: Poor or No signal
6. Reset button: Returns the router to its factory default settings.
7. USB host connector: Connects compatible USB 2.0 client devices such as memory sticks, and
serial adapters. The total current available to power USB devices is 0.5A.
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