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| Selection Guide | Location：Home > Support > Selection Guide |
Dial-Link Product Selection Guide
Dial-Link Product Naming
1. Interface type of Lower Machine
DB9 ---> Modem or DTU or Router
RJ45 (Ethernet port) ---> Router
2. UART level of Lower Machine
RS-232 ---> choose from options according to D item, such as DLK-M230 or DLK-R551
RS-485 ---> choose from options according to D item, such as DLK-M231 or DLK-R552
TTL ---> choose from options according to D item, such as DLK-M232 or DLK-R553
3.Type of data transferred
SMS ---> Modem
Transparent data transmission ---> DTU or Router (default without, able to open)
Ethernet ---> Router
4.Network mode
GSM/GPRS---> choose from options according to B item
CDMA ---> choose from options according to B item
EVDO ---> choose from options according to B item
WCDMA ---> choose from options according to B item
EDGE ---> choose from options according to B item
TD ---> choose from options according to B item
For example:
DLK-M350 // Modem, CDMA network, ZTE module, RS-232 serial level
DLK-R550 // Router, EVDO network, ZTE module, without DTU transparent mode
For more questions, please contact us directly!
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