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Serial Input/Output: I/O Connection
10006757-02 PmPPC7448 User’s Manual
8-3
Table 8-2: Front Panel Serial Port Pin Assignments (P2)
1.Signals (pins 2 and 3) can be switched as a factory build option.
Figure 8-2: Serial Cable Assembly (Emerson Part Number C0007662-00)
Caution: The Mini-USB cable connection to P2 does not have a locking mechanism. Pulling on the
cable may result in a disconnection.
Table 8-3: Serial Cable Wiring Assignments
2.The USB cable red wire is not used.
Pin: Signal: Pin: Signal:
1 Not connected 2
1
Receive (Rx) Data Input,
EIA-232 (alternate is Tx)
1
3
1
Transmit (Tx) Data Output,
EIA-232 (alternate is Rx)
1
4
Not connected
5 Ground 6-9 Connector housing ground
Mini-USB Pin: Description:
2
DB9 Pin:
Shell Drain wire (shield) Shell
1
No connection 1
2 White wire (receive) 3
3 Green wire (transmit) 2
4
No connection 4
5 Black wire (signal ground) 5
No connection 6
No connection 7
No connection 8
No connection 9
DB9 Connector
Mini-B USB
!