IBM System/370 - Page 152

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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 ME
1
1
2860
2301 Drum
1.250
2 2
2860
2301 Drum
1.250
3 0
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 2420
Model 7
.320
5 4
2860 2314 or 2420
Model 7
.320
6 5
2860 2314
or 2420
Model 7
.320
7
6
2860 2314
or 2420
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 ME
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 2420
Model 7
.320