Campbell Scientific NL200/NL201 Network Link Interface - Manual (Page 16)

NL200/201 Network Link Interface
RS-232 serial server and a CS I/O serial server, an RS-232 serial server and a
CS I/O PakBus router, an RS-232 PakBus router and a CS I/O serial server, or
an RS-232 PakBus router and a CS I/O PakBus router. In addition, the
NL200/201 can act as TLS proxy server. The TLS proxy server is independent
of other modes.
FIGURE 4-3. Bridge Mode disabled
Some reasons you might want to use each of these modes are described below.
Refer to Section 6, Configuring the NL200/201, and Section 7, Operation, for
information on setting up your NL200/201 for each mode.
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