Digital Equipment BA42B, Maintenance Manual

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Pin Specifications for the Ports on the BA42B System
Table A–3 (Cont.) Pin Specifications for Synchronous Port 0 and Port 1
Port 0 Port 1
Contact Signal Name
1
Signal Name
1
7 TXDATA(A) 1 P H TXDATA(A) 2 P H
8 TXDATA 1 P L TXDATA 2 P L
9 RTS/C A 1 P L RTS/C A 2 P L
10 RTS/C B 1 P L RTS/C B 2 P L
11 RX DATA A 1 P L RX DATA A 2 P L
12 RX DATA B 1 P L RX DATA B 2 P L
13 LOCAL LOOP 1 P H LOCAL LOOP 2 P H
14 TEST 4 1 P L TEST 4 2 P L
15 TEST 11 1 P H TEST 11 2 P H
16 REM LOOP 1 P H REM LOOP 2 P H
17 R1 1 P H R1 2 P H
18 RXCLOCK A 1 P L RXCLOCK A 2 P L
19 RXCLOCK B 1 P H RXCLOCK B 2 P H
20 TXCLOCK A 1 P L TXCLOCK A 2 P L
21 TXCLOCK B 1 P H TXCLOCK B 2 P H
22 CLOCK 1 P L CLOCK 2 P L
23 V35 TXCLK A 1 P L V35 TXCLK A 2 P L
24 V35 TXCLK B 1 P H V35 TXCLK B 2 P H
25 V35 CLK A 1 P L V35 CLK A 2 P L
26 V35 CLK B 1 P H V35 CLK B 2 P H
27 V35 RX A 1 P L V35 RX A 2 P L
28 V35 RX B 1 P H V35 RX B 2 P H
29 V35 TX A 1 P L V35 TX A 2 P L
30 V35 TX B 1 P H V35 TX B 2 P H
31 V35 RXCLK A 1 P L V35 RXCLK A 2 P L
32 V35 RXCLK B 1 P H V35 RXCLK B 2 P H
33 DTR 1 P H DTR 2 P H
1
The signal names ending with L are active low; the signal names ending with H are active high.
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Pin Specifications for the Ports on the BA42B System A–7