IBM 3745-130/150/170 Communication Controller Connectivity
The following figure shows that, a 3745-130/150/170 can be:
1
Channel-attached
(via a channel adapter) to one or more hosts.
2
Link-attached
(via telecommunication facilities) to a host through another IBM
communication controller (allowing a 3745-130/150/170 to be used as a
remote concentrator).
Then, the 3745-130/150/170 allows simultaneous connection to:
a
Other IBM communication controllers, via high-speed lines (such as T1 or
CEPT) and their associated DCEs.
b
Other IBM communication controllers, via medium or high-speed lines and
their associated DCEs.
c
Local clusters and terminals, directly attached without DCE.
d
Remote clusters and terminals, via stand-alone DCEs and telecommunication
facilities (switched or nonswitched).
e
Remote communication controllers, clusters, and terminals, via X.25 public
data networks.
f
Remote communication controllers, clusters, and terminals, via integrated
DCEs and 4-wire nonswitched telecommunication facilities or DDS network in
U.S.A.
|
g
Communication controllers, clusters, and terminals on IBM token-ring local
|
area networks or on Ethernet-type local area networks.
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IBM 3745 Models 130, 150, 170: Introduction
Summary of Contents for ThinkPad 130
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