Connection diagram
Monitoring units VT335 has the possibility to install VT700 / GSM modem. The device is mounted and connected inside of master monitoring unit. Needed when network is absent or for reservation of a connection channel of master unit with Internet; for sending SMS notifications and SMS commands.
Supply includes
№ | Component | Description | |
---|---|---|---|
1 | Modem | VT700 / GSM modem board | |
2 | Antenna | ||
3 | Antenna wire | ||
4 | M3*5mm bolts. 2pcs |
Installation of GSM modem
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1 | Carefully unscrew three screws holding the cover and open it.
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2 | Connect antenna cable to the modem board. Carefully connect the U-Fl antenna cable to the input U-FL connector and gently press it. If possible install the connector on the seat with a magnifying glass! | |||
3 | Set up the GSM modem card on 3 steel spacing sleeves on the cover, attach card to the sleeves using three M3 screws supplied with the modem. | |||
4 | Set the SMA connector antenna cable to the rear or to the front panel of the appliance into the corresponding SMA hole. Put on the SMA connector gold-plated washer and nut from the supply, holding SMA connector with one key, securely tighten the nut with the other key.
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5 | Connect 16-pin flat cable to the connectors on the modem card and on the appliance motherboard. Close and fasten the cover. If necessary, install the SIM card into the appropriate hole. | |||
6 | Carefully place top cover back so that all cover wings fit in and all cutoffpoints match the panel holes. Then use 3 screws to close the enclosure. When installing the green dry contact connectors can go tight, check the burrs and remove them with rasp! |