Simplex 4100U - NIC Motherboards; Figure 5-2. UT Motherboard with City Connection (565-274); Figure 5-3. UT Motherboard Without City Connection (565-275)

5-5
The figures below are illustrations of two motherboards apart from the default CPU
motherboard that can be used with the 4100 NIC.
• The 565-274 Master Motherboard holds two daughter cards: the 4100 master
controller card and the 4100 NIC.
• The 565-275 Class B Motherboard holds the 4100 NIC by itself.
Figure 5-2. UT Motherboard with City Connection (565-274)
Note: The City (Brigade) connection is not used in Australia.
Figure 5-3. UT Motherboard without City Connection (565-275)
Continued on next page
Introduction to the 4100 Network Interface Card (NIC), Continued
NIC Motherboards
POWER/COMM BUS
CONNECTOR (J3)
2120 COMM/RS-232 CARD
CONNECTOR (J1)
SYSTEM POWER
CONNECTOR (P3)
INTERNAL COMMS
CONNECTOR (P2)
UT MASTER
CONTROLLER
CONNECTOR (J2)
POWER/COMM BUS
CONNECTOR (P1)
FIELD WIRING
TERMINAL
BLOCK (TB1)
FIELD WIRING
TERMINAL
BLOCK (TB2)
CITY CONNECT
JUMPERS (P4)
SYSTEM POWER
CONNECTOR (P3)
INTERNAL COMMS
CONNECTOR (P2)
POWER/COMM BUS
CONNECTOR (P1)
FIELD WIRING TERMINAL
BLOCK (TB1)
FIELD WIRING
TERMINAL
BLOCK (TB2)
2120 COMM/RS-232 CARD
CONNECTOR (J1)