Technical data
7 -6 9050 Peripherals
Shared
Resource Management Interface (SRM) -
HP
27123A
Features
• Data transmission rate
is
700
Kbits
per second.
• Access to the network through rotary polling on
an
HP 98028A Multiplexer (part of the SRM
product).
•
All
transmissions are broadcast to
all
connections on the HP 98028A multiplexer.
• Packets can contain up to
512
data bytes.
• Reception of packets
is
acknowledged.
• Remote
file
access to create/open/purge a
file
or directory, read or write bytes, set protection,
and
catalog.
Configuration
Ensure That the eight switches are set
to
the binary equivalent of the assigned decimal node
address.
S 1
is
the
MSB,
and
S8
is
the
LSB.
Connections
Cabling information
is
in
the configuration section.
Local Area Network Interface Controller (LANIC) -
HP
27125A
Features
• Implementation of IEEE
LAN
standards 802.2 type 1
and
802.3.
• Provides
LAN
connection to
HP
9000
Series
500
host computers.
• Operates with
baseband
networks using Carrier Sense Multiple Access with Collision Detect
(CSMA/CD).
• Provides for connection
and
operation with Ethernet version 1.0.
•
10
Mbps transfer rate.
•
50
metres distance between
LANIC
and attachment unit.
Configuration
• There are no switches to
be
set.
•
All
node
hardware must conform to the same standards.
• Remove
and
throwaway
jumper
W3.
• Record the
link
Address -
08 00 09
(plus
xx
yy
zz
from the
NOVRAM).
Connections
Cabling information
is
shown
in
the configuration section.
U26
c=:J
NOVRAM
c::::r:::J
FUSE
EPROM
I
c:::::J
c=:J
U97
U95
LEOs
REO
GREEN
QQ
J1
I/o CHANNEL
CONNECTOR
••
JUMPER
(W3)
(Removed
for
I
HP
9000
Series
500)
LAN
CONNECTOR
II
l J
,.~------
....
,
'---
__
----'
~
________
;=====1
CARD CONNECTOR CABLE