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8

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Trusted

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Demonstration Unit T8141

Issue 1 Feb 06 PD-T8141 13

4.2. Serial Ports

COMMS Terminal Block Pin Port Function

1 Tx

2 Rx

3

1 (RS232)

GND

4 Tx

5 Rx

6

2 (RS232)

GND

7 Rx/TxB

8 Rx/TxA

9 TxB

10 TxA

11

3 (RS422/485)

GND

12 Rx/TxB

13 Rx/TxA

14 TxB

15 TxA

16

4 (RS422/485)

GND

Table 3 Serial Port Terminations