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7 Equinox ESP Multi-Interface Serial Hub Product Installation Guide
Figure 7. 10-Wire RJ-45 Reversing Cable
1.4 RS-530 Modular Adaptors
An RS-530 modular adaptor is available from Equinox to convert an RJ-45
modualr jack to a male DB-25 connector. The RS-530 adaptor is designed
to be used with standard CAT 5 cable.
Each port that uses the RS-530 adaptor should be configured as RS-422.
Figure 8 shows the RS-530 modular adaptor available from Equinox.
Figure 8. RS-530 Modular Adaptor
ESP Por t
Mod ula r Adapt er
10-WIRE
1
2
3
4
5
6
7
8
9
10
RTS
DTR
DCD
RD
TD
GND
CTS
10
9
8
7
6
5
4
3
2
1
RTS
DTR
DCD
RD
TD
GND
CTS
Connect to
RS-530 Devices:
210103 [DB-25 Male]
DB-25 RS-530
RJ-45 10-PIN
14
2
7
3
16
Tx -
Tx +
GND
Rx +
Rx -
TD - (B)
TD + (A)
GND
RD + (A)
RD - (B)
1
1
0
2
3
7
8
9