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Table 8-1. MS 3207 Electrical Interface (Continued)
Pin
Pin Name
No.
7
CTS/D-
8
RTS/SYN_DAT
9
Beeper/
Download
*I = Input
O = Output
Type*
I/O
RS-232 Mode: Clear-to-send handshaking input line, used
only in conjunction with the RTS line. Optionally used by
another device to signal the scanner to begin transmitting
data.
USB Mode: D- signal. During USB operation this signal works
in conjunction with the D+ signal as a differential bi-directional
signal.
I/O
RS-232 Mode: Request-to-send handshaking output line,
used only in conjunction with the CTS line. Optionally used by
the scanner to signal another device that data is available to
send.
Synapse Mode: Synapse Data line. Signal is used to transmit
data to and from a Symbol Synapse host.
I/O
During normal operation this signal functions as an external
beeper drive line. This signal can sink 50mA of current to drive
an external beeper, and is normally pulled up. This signal is
also used to begin Flash Download operation when grounded
externally during power up.
MS 3207 Specifications
Function
8-3
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