Interface Circuit; Rs-232C; Current Loop - Star Micronics DP8340R Series User Manual

8-2. Interface Circuit

8-2-1. RS-232C

Input (RXD, CtS)
Output (DtR, FaUlt, tXD, RCH, RtS)
Figure 8-1. RS232-C Interface

8-2-2. Current Loop

Input (ttY-RXD, ttY-RXDR)
Output (ttY-tXD, ttY-tXDR)
Note: Resistance should be set so that Current Loop is restricted to the range of
10 ~ 20 mA.
Figure 8-2. Current Loop Interface
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