Fluke 2680A Service Manual page 22

268XA
Service Manual
Removable
Connector
Card
1-6
Digital I/O Output Card
Digital I/O
(20) and
Totalizer (1)
Relay
Contact
(8 pr)
A/D #1
A/D #2
A/D #3
A/D #4
A/D #5
External Trig in Controller
RAM
FLASH
Real Time clock
Tcp/IP
Ethernet
Network
RS232
RS232
(cal/test)
PCMCIA Type II
Memory Slot
Figure 1-2. 268XA Chassis (cont)
Ctrl Data
Microprocessor
and drivers
Ctrl
A/C and Battery
Supply Circuits
Line Voltage or
ATA Card
Battery Voltage
Isolated
Power
Power
Daughter
Card
Data
Opto-
isolators
Ctrl
Display/
Keypad
DC
Power
Bus
M
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