www.ison.com.tw
IS-C3050 WIRELESS TERMINAL User Guide
17
Rev 1.1
3.4 SIM card holder
In the bottom, The IS-C3050 wireless terminal is provided with a SIM card reader designed for 1.8V
and 3V SIM cards. It is the flip-up type which can be locked. It can be accessed through removing the
battery cover as shown below.
Figure 6: SIM Card Holder for IS-C3050
Be sure to power off the modem when user replaces the SIM card. Otherwise it may cause
damage to the equipment.
The IS-C3050 fully operates when inserting a SIM card. Some IS-C3050 functionality may be lost if
user try to operate the wireless terminal without a SIM card