Star Micronics DP8340R user manual RS-232C, Current Loop

8-2. Interface Circuit

8-2-1. RS-232C

Input (RXD, CTS)

D

TYPE

ONLY

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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