5-4
5.2.2
RTU-to-Modem Synchronous Connection (DTE-to-DCE)
Use the FLN6704A cable kit to connect one of the IRRInet-XL RTU RS-232 ports to a
modem synchronously (the RTU serves as a DTE). The kit includes a cable with RJ45
modular jacks on both ends and a RJ45 to 25-pin female D-Type adaptor (See Figure
5-3). The possible RTU configurations are detailed in Table
Table
5-2 RTU-to-Modem Synchronous Connection (DTE-to-DCE)
CPU Port No. Used with Piggyback Board Toolbox Definition
3
FRN5724A
RS-232 Asynchronous External
Modem, Full Duplex or Multi-Drop Half
Duplex, Darcom Modem, Darcom
Master/Repeater
J1
(RJ45)
J2
(25-PIN
D-TYPE)
Tx_DATA
Rx_DATA
RTS
CTS
GND
TxCLK
Rec_LINE
RxCLK
1
2
6
3
4
8
5
7
2
3
4
5
7
15
8
Tx_DATA
Rx_DATA
RTS
CTS
GND
TxCLK
Rec_LINE
TxCLK
17
RJ45
Connector
Pin No. 1
Pin No. 8
Figure
5-3 RJ45-to-D-Type Male Connector Adaptor
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