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4. APPLICATION DEVELOPMENT AID HARDWARE RESOURCES
This section describes various M-Station resources, including connection options, jumper settings, and
part numbers with manufacturer and purchase sources.
4.1
RS-232 Transceiver
The RS-232 transceiver is mounted on the M-Station as a standard feature. The optional DB9 (J6)
connector has a footprint only on the M-Station. SB26 and SB27 are solder-blobs (SBs) with closely
spaced pads. The default configuration connects SBs with 0Ω resistors that easily can be removed, if
necessary. When you need to reconnect, use a sufficient amount of solder to short two pads (hence, it
is a called "solder-blob").
Jumper
Jumper Setting
JP6
User option
JP7
User option
Figure 10.
RS-232 Transceiver
Jumper Settings
Table 6.
Description
Loopback jumper for RxD and TxD
Loopback jumper for RTS and CTS
13
M-Station Baseboard
Default Setting
Open
1 to 2
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