Vitriko LR77 v2, User Manual, Page: 22 / 37

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Mobile Data Experts
5. ROUTER DESIGN
5.8.4 SIM card reader
The SIM card reader for 3 V and 1,8 V SIM cards is located on the front panel of the router.
To initiate the router into operation it is necessary to insert an activated SIM card with un-
blocked PIN in the reader. The SIM cards might be of different adjusted APN (Access Point
Name).
Changing the SIM card:
Before handling of the SIM card turn off the router and disconnect it from power supply.
Press the small yellow button to eject the reader holder. Insert the SIM card into the reader
holder and slide it in the reader (see figure below).
Figure 26: Ejected SIM holder
5.8.5 Ethernet port
Panel socket RJ45.
Pin Signal mark Description Data flow direction
1 TXD+ Transmit Data – positive pole Input/Output
2 TXD- Transmit Data – negative pole Input/Output
3 RXD+ Receive Data – positive pole Input/Output
4 — —
5 — —
6 RXD- Receive Data – negative pole Input/Output
7 — —
8 — —
Table 8: Connection of Ethernet connector
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