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Equinox SST-4I/RJ Hardware Reference Guide 4

Device Cabling

Below and following on the next page (see figures 3, 4 and 5) are

three cable diagrams detailing how to build your own cables to go

between a SST-4I/RJ and your terminals, printers, PCs, modems, etc.

Figure 2 below shows the RJ-11 port orientation and pin-outs for the

SST-4I/RJ. Note that pin 3 acts as Data Terminal ready (DTR) when

connected to a modem (i.e. it will be dropped when the operating

system wants to disconnect the call). It will act as Request To Send

(RTS) when a device is directly connected and hardware flow control

is enabled.

Figure 2. SST-4I/RJ Port pin-outs

Figure 3. Cable pin-outs for SST-4I/RJ to Terminal

or Printer DB-25

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