IBM System/370 - Revised by TNL GN20-2277

Page ofGC20-1730-0
Revised 11/20/70
By TNL GN20-2277
26
1. A seven-channel system including one 2870 Multiplexer and six
2860 Selector Channels with a maximum aggregate channel data
rate of approximately 4.25 MB.
Channel Channel Channel
I/O Data Rate
Priority Address
Type
Device
in MB
1
1
2860 2301 Drum
1.250
2 2
2860 2301 Drum
1.250
3
()
2870
2401 Model 6 SSCl
.180
2401 Model
6
SSC2
.180
2401 Model 3 SSC3
.090
2540, 1403,
terminals
on MPX
.020
.470
4 3 2860
2314
or 3420
Model
7
.320
5 4 2860
2314
or 3420
Model 7
.320
6
5
2860
2314
or 3420
Model 7
.320
7
6
2860
2314
or 3420
Model 7
.320
2. A seven-channel system including one 2870 Multiplexer and six
2880 Block Multiplexer channels with a maximum aggregate data
rate of approximately 7.8 MB.
Channel
Channel
Channel
I/O
Data Rate
Priority
Address Type
Device in MB
1 1 2880
2305 Model 1
3.0
2 2 2880
2305
Model
2 1.5
3 0 2870 2401 Model
6
SSCl
.180
2401 Model
6
SSC2 .180
2401
Model
3 SSC3 .090
2401
Model
3 SSC4 .090
unit record on MPX
.023
.560
4
3
2880
3330 facility .806
5 4 2880 3330 facility .806
6 5 2880
3330 facility .806
7
6
2880
2314
or 3420
Model 7 .320
I