2-4. Interface Connections
U3-1021 2-18 2/99
Westinghouse Proprietary Class 2C
CE Mark Certified Systems
Figure 2-10. J2 RS-232 Interface (1C31169G01) (CE Mark)
Com
RI
CTS
DSR
RTS
RX/
DCD
TX/
DTR
Local
J2 Applications Port
Third Party Device
Notes
If the Personality module’s J2 RS-232 Applications port DB9 connector is used
in place of the base unit terminal block, only local shield grounding may be
implemented. The cable assembly metal hood must NOT be in electrical contact
with the cable’s shield. Refer to Table 2-4 for pin assignments.
Personality Module
Cable Assembly
Metal Hood
The cable MUST be braid-shielded and grounded at the entry point of the cabinet
using the recommended hardware (refer to “Cable Guidelines” in U3-1000).
Grounding
See note.
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