Chapter 3
Mechanical and Electrical Specifications
page 3 - 4
Excalibur Systems
3.3.1.1
Module Terminal Stick Pin Assignments And Description
3.3.2
M4K708 Module Adapter Cable
Excalibur will provide at an extra cost a standard adapter cable which converts
the Molex® terminal stick to two female twinax connectors [Trompeter CJ70 or
equivalent] for Channel 0 and Channel 1.
The twinax connectors mate, for example, with Trompeter PL75 male twinax
connectors. These connectors are not supplied by Excalibur.
Figure 3-4
Twinax Connector– Front View
Pin #
Signal Name
Description
1
SHIELD
Provided for the cables shield connection. This
signal is connected to the computer’s case
through the carrier board’s bracket or panel.
2
BUS0L
Channel 0 Lo connection
3
BUS0H
Channel 0 Hi connection
4–9
Reserved
Reserved pins - no connections
10
BUS1L
Channel 1 Lo connection
11
BUS1H
Channel 1 Hi connection
12
SHIELD
Provided for the cables shield connection. This
signal is connected to the computer’s case
through the carrier board’s bracket or panel.
13–22
Reserved
Reserved pins - no connections
23
OUTRIGn
Output trigger low active output. Provides
trigger pulses of approximately 500 nsec. width
and is activated upon the same conditions as
interrupts. See
2.3.10
Channel Output
Trigger Mask Register
on page 2-11.This
output is an open-collector type pulled up with
a 330-Ohm resistor to 5V.
24
GND
Provides ground reference for the OUTRIGn
output.
Table 3-3
Module Terminal Stick Pin Assignments and Description
CENTER CONTACT
(High Signal, Connected to Blue Wire)
CONNECTOR BODY
(Connected to Shield)
INTERMEDIATE CONTACT
(Low Signal, Connected to White Wire)
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