Wire, Shield, Voltage rating – Comtrol Cable User Manual
Page 27: Capacitance, Shell, Wire shield voltage rating capacitance shell
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
1
GND
2
RXCLK+
3
RXCLK-
4
RXDAT+
5
RXDAT-
6
RXDAT1+
7
GND
8
RXDAT1-
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-