MT-350 Operation Manual 3
5. Demonstration on Double Sides of Equipment
(1)Connecting seat of externally connected antenna.
(2)DC 12V: power input.
(3)PHONE: Telephone/switchboard connector; with standard RJ-11 USA type plug,
connected to the Telephone Office loop of phone set or switchboard.
(4)PSTN phone jack : Central office line interface, standard RJ11 phone jack.
(5)PWR LED (Power Indicator)
(6)STATE LED : Slow flashing during the initialization stage, light up when the phone
set is picked up. Fast flashing during the GSM line in use. Flash timing indicates the
RSSI(received signal strength indicator), 5 times per second for the strongest
receiving, 1 time per second for the poorest receiving.
(7)PSTN LED : Flashing during the PSTN line in use.
(8)GSM LED : Fast flashing when the GSM channel is available, otherwise, slow
flashing.
** Insert the SIM card from the back (take off the slide first)
(1) (2) (3) (4) (5)(6)(7) (8)
