Theory of Operation
6–2
VX1410A & VX1420A IntelliFrame Mainframe Instruction Manual
Fan 1
VX1410A
Fan 2
VX1410A
Power Supply
Enhanced
Monitor A7
Backplane
A4
Temperature Sense Board
A2
Front Panel Display Board
18
30
30 96
96
P25
AC in
3
12
4
Status & Alarm Display
Front Panel
Button ECB
A6
34
2
Scroll Switches
On / Standby
Switch
External Monitor Power
Logical Addr
RS232
Passive Monitor
Fan Speed Switch
0J4 0P3 0J1 0J2
J23
J22
5
5
J25 J27
J24
0P2
0P1 1P1 2P1 3P1 4P1 5P1 6P1 7P1 8P1 9P1 10P1 11P1 12P1
1P2 2P2 3P2 4P2 5P2 6P2 7P2 8P2 9P2 10P2
11P2
12P2
J16
Slot 0 Slot 1 Slot 2 Slot 3 Slot 4 Slot 5 Slot 6 Slot 7 Slot 8 Slot 9
Slot 10
Slot 11
Slot 12
5
J18
J17
J19
S 1/2 J10 P9 S3 J7 J8
4
4
2
12
9
25
3
0J3 0P1 0P2
(VX1420A & VX1410A Option 1M only)
J6
P26 P28P27
J26 J28
J29
1
Fan 1 Blower VX1420A
Figure 6–1: Mainframe block diagram