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2-3
Introduction to FACPs (4100U), Continued
The 4100U Master motherboard that houses the CPU card is central to the 4100U system.
It mounts in the first bay, occupying four inches of space on the right hand side. Neither
has a card address DIP switch (the CPU is address 0).
Figure 2-1. Master (CPU) Motherboard (566-227)
Continued on next page
Master Motherboard
RUI TERMINAL BLOCK (TB2)
NETWORK WIRED MEDIA/ RS-232
TERMINAL BLOCK (TB3)
POWER/COMM TO
SYSTEM POWER
SUPPLY (P1)
RUI CLASS A
TROUBLE (LED1)
RUI PRIMARY SHORT
TROUBLE (LED2)
RUI SECONDARY
SHORT TROUBLE
(LED3)
BUS CONNECTOR
(J1) (Reserved for
future use)
POWER/COMMS TO
A
DJACENT BAY (P4)
POWER/COMMS TO
A
DJACENT BAY (P5)
POWER/COMMS TO
A
DJACENT BAY (P6)
NETWORK WIRED MEDIA/ RS-232
TERMINAL BLOCK (TB1)
HEADER CONNECTOR TO
OPTION MOTHERBOARD
(P3)
CPU DAUGHTER CARD
CONNECTOR (J3)
POWER CONNECTOR TO
OPTION MOTHERBOARD
(P7)
COMMS CONNECTOR TO
OPTION MOTHERBOARD
(P8)
NETWORK DAUGHTER CARD
CONNECTOR
(J2)
RUI COMM
EARTH SHIELD
JUMPER (P9)
RS-232/NETWOR
K
CARD PORT 1
JUMPER (P10)
RS-232/NETWOR
K
CARD PORT 2
JUMPER (P11)
XMIT RTS RCV CTS GND
RUI RUI SHLD RUI RUI
B+ B- A+
A
-
1
1
55
XMIT RTS RCV CTS GND 24C RSRVD
PIEZO
1
8