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Model
8902A
Installation
SHOULD
BE GROUNDED
NEAR TERMINATION
OF OTHER WIRE OF
TWISTED PAIR
StGNAL GROUND
P/O TWISTEO
PAIR WITH 11
P/O TWISTED PAIR WITH 10
P/O
TWISTED PAIR
WITH 9
P/ O TWISTED PAIR
WITH
8
P/O TWISTED PAIR WITH 7
P/O TWISTED PAIR WITH 6
REN
Dl0 8
DIO 7
DIO 6
DIO 5
ISOMETRIC
-
THREAD M3.5 x 0.6
SHIELD -CONNECT
TO
ATN
EARTH
SRO
GROUND
IFC
NOAC
NRFD
DAV
EO1
DIO 4
Dl 0 3
DIO 2
DIO
1
24-PIN MICRO-RIBBON
(SERIES
57) CONNECTOR
Logic Levels
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 10833B 2 meters (6.6 ft.)
HP 10833C 4 meters (13.2
e.),
HP 10833D. 0.5 meters (1.6
ft.)
Cabling Restrictions
instrument.
(65.6
ft.).
1. A Hewlett-Packard Interface Bus system may contain no more than 2 meters (6.6
ft.)
of connecting cable per
2. The maximum accumlative length of connecting cable for any Hewlett-Packard Interface Bus system is 20 meter
Figure 2-3. Hewlett-Packard Interface Bus Connection
rev.
15MA
Y89
2-7
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