
HF2111 GPRS Serial Server User Manual
Shanghai High-Flying Electronics Technology Co., Ltd
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1.2 Hardware Introduction
Figure 1.
HF2111 Appearance
1.2.1. Interface Description
Table2.
HF2111 External Interface
Function
Name
Description
External
Interface
RS232
RS232 Communication.(Choose one of
the three RS232/RS422/RS485 to