IBM 2220 Nways 300 Service Manual page 200

Control
Panel
J1
I/O
SW
Fan Box 1
Drawer
Connector
Clock A Clock B
1
1
2
2
3
DCD1
4
1
5
2
6
7
DCD2
APC
J2
J4 J3
Jumper
PI1
AC/DC or DC48
Power Subrack
Logic Subrack
Fan Box 2
J1
Drawer
Connector
Tailgate Clock
J2
Jumper
PI2
AC/DC or DC48
J1
J4
J3