Embedded Solutions
Page 29 of 37
Loop-back
The Engineering kit has reference software, which includes external loop-back tests.
The PMC-BISERIAL-III RL1 has a 68 pin SCSI II front panel connector. The tests
require an external cable with the following pins connected.
Full-Duplex Loop-Back
Signal From To Signal
TX0 DATA+
pin 1
pin 2
RX0 DATA+
TX0 DATA-
pin 35
pin 36
RX0 DATA-
TX1 DATA+
pin 3
pin 4
RX1 DATA+
TX1 DATA-
pin 37
pin 38
RX1 DATA-
TX2 DATA+
pin 5
pin 6
RX2 DATA+
TX2 DATA -
pin 39
pin 40
RX2 DATA-
TX3 DATA+
pin 7
pin 8
RX3 DATA+
TX3 DATA-
pin 41
pin 42
RX3 DATA-
TX4 DATA+
pin 9
pin 10
RX4 DATA+
TX4 DATA-
pin 43
pin 44
RX4 DATA-
TX5 DATA+
pin 11
pin 12
RX5 DATA+
TX5 DATA-
pin 45
pin 46
RX5 DATA-
TX6 DATA+
pin 13
pin 14
RX6 DATA+
TX6 DATA -
pin 47
pin 48
RX6 DATA-
TX7 DATA+
pin 15
pin 16
RX7 DATA+
TX7 DATA-
pin 49
pin 50
RX7 DATA-
Half-Duplex Loop-Back
Signal From To Signal
TX/RX 0 DATA+
pin 1
pin 3
TX/RX 1 DATA+
TX/RX 0 DATA-
pin 35
pin 37
TX/RX 1 DATA-
TX/RX 2 DATA+
pin 5
pin 7
TX/RX 3 DATA+
TX/RX 2 DATA -
pin 39
pin 41
TX/RX 3 DATA-
TX/RX 4 DATA+
pin 9
pin 11
TX/RX 5 DATA+
TX/RX 4 DATA-
pin 43
pin 45
TX/RX 5 DATA-
TX/RX 6 DATA+
pin 13
pin 15
TX/RX 7 DATA+
TX/RX 6 DATA -
pin 47
pin 49
TX/RX 7 DATA-