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Introduction to 4100ES-S1 Cabinet,
CPU Motherboard
COMMS CONNECTOR TO
OPTION MOTHERBOARD
HEADER CONNECTOR TO
OPTION MOTHERBOARD
POWER CONNECTOR TO
OPTION MOTHERBOARD
NETWORK DAUGHTER CARD
NETWORK WIRED MEDIA/ RS-232
TERMINAL BLOCK (TB1)
The 4100ES CPU motherboard (see Figure 2-1) holds the CPU card, which is central to
the 4100ES-S1 system. It is mounted in the CPU bay, occupying two slots of space
immediately beside the power supply. This board does not have a card address DIP
switch (the CPU is always address 0).
NETWORK WIRED MEDIA/ RS-232
TERMINAL BLOCK (TB3)
RS-232/NETWORK
CARD PORT 1
JUMPER (P10)
(P8)
(P3)
(P7)
CONNECTOR
(J2)
RS-232/NETWORK
CARD PORT 2
JUMPER (P11)
Figure 2-1. CPU Motherboard (566-227)
Continued
RUI TERMINAL BLOCK (TB2)
RUI RUI SHLD RUI RUI
XMIT RTS RCV CTS GND
B+
B-
1
5
1
8
XMIT RTS RCV CTS GND
24C RSRVD
2-3
A+
A-
RUI COMM
EARTH SHIELD
5
JUMPER (P9)
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)
CPU DAUGHTER CARD
CONNECTOR (J3)
POWER/COMMS TO
ADJACENT BAY (P4)
POWER/COMMS TO
ADJACENT BAY (P5)
POWER/COMMS TO
1
ADJACENT BAY (P6)
Continued on next page
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