IBM 3741 Data Station Reference Manual page 84

Figure 41 illustrates the status of a disk on a single disk
drive 3741 Model 2 or 4 before teleprocessing is initiated.
In this example, two key-entry data sets are to be trans-
mitted to the remote processing unit and two additional
data sets are to be received from the processing unit. Disk
labels 00011 and 00012 have been set up (via bypass status)
to be used for receiving these data sets. '
78
_ - - - - - - K e y Entry Programs (will not be transmitted)
Key Entry Job # 1 } These two data sets
Key
En~ry
Job #2 will be transmitted.
Disk Capacity ~
1898 Records ~~~~~~~~~~~~~~------------------------------------~
19 Labels, Track 00
Sectors 08 ...... 26
Label Address
Label Status
w
o
co
00008
HDR1
with
bypass
Beginning of Extent (BOE) 01001
End of Data (EOD) 01020
End of Extent (EOE) 01026
w
o
co
00009
HDR1
03001
14017
16026
w
o
co
00010
HDR1
18001
30008
32026
Figure 41. BSe Transmit/Receive Example (Before Teleprocessing Initiated)