Matrix ETERNITY NE System Manual 25
SIM PIN Protection
To enable SIM PIN protection, 
• get a mobile handset. Insert the SIM into the mobile handset. 
• from the mobile handset, enable PIN Protection. 
• change the SIM PIN to 1234 (this is the default PIN for both SIM cards used in the system). You can change this 
SIM PIN later from ETERNITY NE when configuring the mobile port.
• remove the SIM from the mobile handset. 
If you do not want to use PIN protection, insert the SIM in the mobile handset and disable PIN protection. 
Remove the SIM Card from the mobile handset and insert it in the mobile port’s SIM holder tray.
• Insert the SIM card in ETERNITY NE,
• press the SIM holder lock (the small yellow button). You may use a blunt pin to press the lock button.
• the SIM holder tray emerges from its slot.
• pull out SIM holder tray from its slot. 
• now, fit the SIM Card on the tray, with its contact side facing up.
• insert the SIM holder tray back into the slot.
• repeat the same steps to insert the other SIM card.
• Connect the antenna. Screw the antenna on to the antenna connector.