IBM System/370 Guide

I--'
o
I--'
Features
III. CHANNELS
A. Total number per
system
B. 2870
Multiplexer Channel
C. 2860 Selector
Channel (1.3 MB)
D. 2880 Block
Multiplexer Channel
(1.5 MB). Two-Byte
Interface feature
permits a 3.0 MB
data rate.
E. Aggregate channel
data rate
F. Channel retry data
provided
G. Channel-to-Channel
Adapter on 2860
IV. OPERATOR CONSOLE
DEVICES
System/360
Model 65
Up to 7
One or two can be
attached.
A maximum of 6 can be
attached.
Cannot be attached
In excess of 4 MB with
one 2870 and six 2860s
Yes in I/O logout
Optional
1. 1052 Printer-
Keyboard (optional)
2. Second 1052 Printer-
Keyboard is optional.
3. A 2250 Display Unit
and a remote 2150
Console are optional.
4. Other devices can be
used as primary and
secondary consoles'
a. 1052 Printer-
Keyboard
b. 2260 Display
Station
c. 2250 Display Unit
System/370
Model 165
1. Up to 7
2. Up to 12 with
Extended Channels
special feature
Same as Model 65
A maximum of 6 can be
attached.
A maximum of 6 can be
attached without the
Extended Channels
feature, a maximum of
11 with this feature.
In excess of 9 MB with
one 2870 and eleven
2880 channels
OS - Model 65
Supported
Supported
Supported
Yes in I/O logout
Channel retry provided
by CCH routine
Optional
1. Stand-alone system
console unit is
standard. It
includes:
a. A CRT-Keyboard
combination for
operator/system
communication
b. An indicator
viewer
c. A microfiche
document viewer
d. A processor storage
configuration
plugboard
e. A system activity
meter
1. Supported as the
primary console
2. MCS option supports
multiple consoles.
3. Supported as the
primary console
4. Additional consoles
supported by MCS
and DIDOCS options
OS - Model 165
Up to 12 channels
supported
Supported
Supported
Supported
in selector or
block multiplexer mode
Channel retry provided by
CCH routine
1. Supported as the primary
system console
a. Supported by t~he MCS
options and DIDOCS

IBM System/370 Specifications

General

Brand	IBM
Model	System/370
Category	Server
Language	English