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MT202TD RS-232 Signal Descriptions
Pin MTS
Name EIA ITU-T
2
SD
3
RD
4
RTS CA
5
CTS CB
6
DSR CC 107
7
SG
8
CD
9
+V
DTE= Data Terminal Equipment (terminal or computer)
DCE= Data Communications Equipment (the modem)
Chapter 2 - Installation & Connection
Circuits
BA
103
BB
104
105
106
AB
102
CF
109
+V
-----
Function
Transmitted Data
Received Data
Request to Send
Clear to SendDCE
Data Set Ready
Signal Ground
Data Carrier
Detector
Test Voltage
Signal
Source
DTE
DCE
DTE
DCE
-----
DCE
DCE
13
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