ELTEC CYBOX RT 2-A Wireless Automotive Router Installation Guide

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CYBOX RT 2-A  

3.5  

RESET SWITCH  

The CyBox RT 2-A is equipped with a hidden reset switch behind the front panel, which is located beside  

the service cover. The button is accessible with a straightened paper clip pushed through the little hole on  

the front panel. The effect of pressing the reset switch depends on the duration of its activation, as  

indicated in Table 10 below. The time response is valid only if the device has completly booted (after  

approx. 1 min). While the device is booting or executing U-Boot, pushing the button will always reset the  

device.  

The following table describes the functions of the reset switch.  

HOLD TIME  

< 2 seconds  

2-5 seconds  

> 5 seconds  

FAIL LED BEHAVIOR ACTION  

Off  

Reset after release  

Off  

No action  

Green blinking  

Remove custom configuration then reset  

Table 10  

Reset Switch Behavior  

3.6  

SIM CARDS  

The CyBox RT 2-A provides 2 SIM slots per LTE modem. Only one slot per modem can be active at any time.  

To install SIM cards the service cover has to be removed using a suitable torx 10 screwdriver. After installing  

the SIM cards the service cover must be closed and the screws tightened to a maximum torque of 0.55 Nm.  

The indexing of SIM slots is software dependent and can be selected via an SNMP command or using the  

web interface.  

Note:  

Switching between SIM slots takes about 30 seconds, slot 1 being preselected at power up.  

If you plan to use only one SIM card for a given LTE modem it is advisable to use slot 1 to  

avoid slot switching delay during booting.  

The drawing in Figure 5 shows the SIM slot assignment per modem.  

Figure 5 SIM Slot Assignment per Modem  

Important:  

Do not change the SIM cards when the device is powered.  

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