Write Bus Terminator; Write Bus Receiver; Control Line Terminator - IBM 2420 7 Manufacturer’s Information Brochure

Signal
330n
Shield
+12v
Figure 10. Write Bus Tenninator
+12v
Gate
(Write Status)
13k 680n
p
2k
Input
(Write Bus)
I/O Interface
p
Degaussing Line
1.82k
Figure 11. Write Bus Receiver
14
+12v
2k
374n
O.68pF
Signal
360n
Shield
+12v
This is a representative circuit of those used in the terminator
connector (part 5417910) which must be inserted in the connector
B position of the last tape unit in a line.
Figure 12. Control Line Tenninator
300n
1k
300n
ESD
p
p
Output (To Write
Drivers)
5.1k
3.09K
-12v