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| Chapter 1 – Product Description and Specifications | |
| RS232 | ||||||
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| 1 |
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| 10 |
| 6 |
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| 1 5 |
| 11 |
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| PIN | EIA | CCIT | Designation |
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| 1 | DCD | 109 | Data Carrier Direct |
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| 6 | RX | 104 | Receive Data (out) |
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| 2 | TX | 103 | Transmit Data |
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| 8 | DTR | 108.2 | Data Terminal Ready |
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| 9 | GND |
| Signal Ground |
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| 7 | DSR | 107 | Data Set Ready |
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| 12 | RTS | 105 | Request to Send |
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| 11 | CTS | 106 | Clear to Send |
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| 13 | RI | 125 | Ring Indicator |
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| Audio | 4 | MICROPHONE (+) |
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| 5 | MICROPHONE |
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| 10 | SPEAKER (+) |
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| 15 | SPEAKER |
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| Boot | 3 | BOOT |
| For factory use only. |
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| Reset | 14 | RESET |
| To reset, connect to GND momentarily (typical: |
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| 2mSec). Open for normal operation. |
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AT Command Information
AT commands for the GPRS wireless modem are published in a separate Reference Guide included on the MultiModem CD and posted on the
IP commands for GPRS modems are also published in a separate Reference Guide included on the MultiModem CD and posted on the
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