Siemens TC35 - Manual (Page 20)

18
Interface description
SIM card connector
The connector is intended for 3V SIM cards
in accordance with GSM11.12 phase2 to
operate the Terminal.
The SIM card (3V type) must be inserted in
the card holder to put the TC35 Terminal into
operation.
1. Make sure that there is no voltage applied
to the TC35 Terminal.
2.Operate the eject mechanism (yellow pin
next to the card holder) to open the card
holder by pressing it down with a pen, for
example.