Equinox Systems SuperSerial Product Installation Manual page 6

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.
RJ-45 8 PIN
RTS 8
DSR 7
CD 6
RD 5
TD 4
GND 3
DTR 2
CTS 1
Connect to
Modems & Multiplexers:
210090 [DB-25 DTE Male]
210091 [DB-25 DTE Female]
RJ-45 8 PIN
RTS 8
DSR 7
CD 6
RD 5
TD 4
GND 3
DTR 2
CTS 1
Connect to
Modems & Multiplexers:
210094 [DB-9 Male]
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.
6
Equinox ESP 10/100 Serial Hub Product Installation Guide
DB-25 RS-232
4 RTS
6 DSR
8 CD
3 RD
2 TD
7 GND
20 DTR
5 CTS
DB-9 RS-232
7 RTS
6 DSR
1 CD
2 RD
3 TD
5 GND
4 DTR
8 CTS
Figure 6. Available Modular Adaptors
Figure 7. 8-Wire RJ-45 Reversing Cable
RJ-45 8 PIN DB-25 RS-232
RTS 8
DSR 7
CD 6
RD 5
TD 4
GND 3
DTR 2
CTS 1
Connect to
Terminals & Printers:
210092 [DB-25 DCE Male]
210093 [DB-25 DCE Female]
RJ-45 8 PIN DB-9
RTS 8
DSR 7
CD 6
RD 5
TD 4
GND 3
DTR 2
CTS 1
Connect to
Personal Computers:
210095 [DB-9 Female]
4 CTS
20 DTR
6 DSR
2 TD
3 RD
7 GND
8 CD
4 RTS
RS-232
8 CTS
4 DTR
6 DSR
3 TD
2 RD
5 GND
1 CD
7 RTS
RTS
DSR
CD
RD
TD
GND
DTR
CTS