Building Basic Cables [Documentation number: 2000430 Rev B] 27
DB25 Interface to Controller Pinouts for RocketPort ISA/PCI 4, 8 and 16-ports
DB25 Interface to Controller Pinouts for RocketPort ISA/PCI 4, 8 and 16-ports
Wire • 28 AWG or larger
• Twisted pair
Shield • AL-Foil/Mylar-overlap 25% minimum (AL side outside)
• Braid 24/8/0.12 TA coverage 85% minimum
Voltage Rating •30v
Capacitance • Wire to wire: 44pf/M
• Wire to other wires connected to a shield: 87pf at 1000Hz
Shell Fully-shielded with copper foil soldered to the connector shell and cable braid. Foil
entire connector and solder all seams.
Pin Function
1GND
2RXCLK+
3RXCLK-
4RXDAT+
5RXDAT-
6RXDAT1+
7GND
8RXDAT1-
9 VCC
10 VCC
11 V+
12 V+
13 RXCNVT+
14 GND
15 RXCNVT-
16 TXCLK+
17 TXCLK-
18 TXDAT+
19 TXDAT-
20 TXDAT1+
21 V-
22 TXDAT1
23 V-
24 TXCNVT+
25 TXCNVT-
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