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Equinox ESP 10/100 Serial Hub Product Installation Guide
1.3 Modular Adaptors and Cables
Modular adaptors are available from Equinox to convert RJ-45 modular
jacks to DB-25 or DB-9 connectors. These modular adaptors, used with
the 8-wire reversing modular cables, perform the same functions as shown
in Figures 3 through 5. Figure 6 shows the modular adaptors available
from Equinox.
Figure 6. Available Modular Adaptors
Table 4 lists the modular cables that are available from Equinox to use
with the modular adaptors shown in Figure 6.
Part No.
Description
690226
10-foot 8-Wire Reversing Modular Cable
690227
25-foot 8-Wire Reversing Modular Cable
690228
75-foot 8-Wire Reversing Modular Cable
Table 4. Available Reversing Modular Cables
If a customer-supplied modular cable is used,
make sure the cable is
reversing
. See Figure 7.
Figure 7. 8-Wire RJ-45 Reversing Cable
RJ-45 8 PIN DB-25 RS-232
RTS 8
4 RTS
DSR 7
6 DSR
CD
6
8 CD
RD
5
3 RD
TD
4
2 TD
GND 3
7 GND
DTR 2
20 DTR
CTS 1
5 CTS
RJ-45 8 PIN DB-25 RS-232
RTS 8
4 CTS
DSR 7
20 DTR
CD
6
6 DSR
RD
5
2 TD
TD
4
3 RD
GND 3
7 GND
DTR 2
8 CD
CTS 1
4 RTS
RJ-45 8 PIN DB-9 RS-232
RTS 8
7 RTS
DSR 7
6 DSR
CD
6
1 CD
RD
5
2 RD
TD
4
3 TD
GND 3
5 GND
DTR 2
4 DTR
CTS 1
8 CTS
RJ-45 8 PIN DB-9 RS-232
RTS 8
8 CTS
DSR 7
4 DTR
CD
6
6 DSR
RD
5
3 TD
TD
4
2 RD
GND 3
5 GND
DTR 2
1 CD
CTS 1
7 RTS
Connect to
Modems & Multiplexers:
210090 [DB-25 DTE Male]
210091 [DB-25 DTE Female]
Connect to
Terminals & Printers:
210092 [DB-25 DCE Male]
210093 [DB-25 DCE Female]
Connect to
Modems & Multiplexers:
210094 [DB-9 Male]
Connect to
Personal Computers:
210095 [DB-9 Female]
RTS
DSR
CD
RD
TD
GND
DTR
CTS
