Revised By Tnl Gn20-2277 - IBM System/370 Manual

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