__
Model
8901B
Installation
SHOULD BE GROUNDED
NEAR TERMINATION
OF
OTHER WIRE
OF
TWISTED PAIR
SIGNAL
GROUND
P/O TWISTED PAIR WITH
11
P/O TWISTED PAIR WITH
10
P/O TWISTED PAIR WITH
9
P/O TWISTED PAIR WITH
8
P/O TWISTEO PAIR WITH
7
P/O TWISTED PAIR WITH
6
REN
010
8
DIO
7
DIO
6
DIO
5
ISOMETRIC
-
THREAD
M3.5
x
0.6
SHIELD -CONNECT TO
ATN EARTH
SRO
GROUND
IFC
NDAC
NRFD
DAV
EO1
Dl0 4
DIO
3
DIO
2
010
1
24-PIN MICRO-RIBBON
(SERIES
57)
CONNECTOR
The Hewlett-Packard interface Bus logic levels are
TTL
compatible, that is, the true (1) state
is
0.0
Vdc to +0.4 Vdc
and the false
(0) state is 2.5 Vdc to
+5
Vdc.
Programming and Output Data Format
Refer to Section 3 "Operation".
Mating Connector
HP 1251 -0293; Amphenol 57-30240
Mating Cables Available
HP 10833A,
1
meter (3.3 ft.), HP 108338
2
meters (6.6
ft.)
HP 10833C 4 meters (13.2
ft.),
HP 10833D,
0.5
meters (1.6
ft.)
Cabling Restrictions
1.
A
Hewlett-Packard interface
Bus
system may contain no more than 2 meters (6.6
ft.)
of connecting cable per
instrument.
Figure
2-3.
Hewlett-Packard
Interface
Bus
Connection
rev.
15MAY89
2-7
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