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11 EXTERNAL CONNECTIONS
When configured as a DTE, the MPA-200 uses a D-25 short body male connector
(labeled CN2). When configured as a DCE, the MPA-200 uses a D-25 long body
female connector (labeled CN1). Table 15 and Table 16 describe the pin out
definitions for both connectors and Figure 6 and Figure 7 illustrate the pin-outs
for each of the connectors..
Table 15 DTE Connector Pin Definitions
COMM REG D7TEST MODE25
TRXCA+TTCLK24
DTR/REQA-DTR23
DCDB-DSR22
COMM REG D4RLBK21
DTR/REQA+DTR20
RTSA-RTS19
COMM REG D5LLBK18
TRXC+RRCLK17
RXDA-RXD16
TRXCB+RTCLK15
TXDA-TXD14
CTSA-CTS13
TRXCB-RTCLK12
TRXCA-TTCLK11
DCDA-CD10
RTXC-RRCLK9
DCDA+CD8
DGND7
DCDB+DSR6
CTSA+CTS5
RTSA+RTS4
RXDA+RXD3
TXDA+TXD2
CGND1
SCC PinSignalPin
29 Quatech Inc., MPA-200/300 Manual