Nic Motherboards; Figure 5-2. Ut Motherboard With City Connection (565-274); Figure 5-3. Ut Motherboard Without City Connection (565-275) - Simplex 4100U Installation & Maintenance

Introduction to the 4100 Network Interface Card (NIC),

NIC Motherboards

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.
FIELD WIRING
TERMINAL
UT MASTER
BLOCK (TB1)
CONTROLLER
CONNECTOR (J2)
INTERNAL COMMS
CONNECTOR (P2)

Figure 5-2. UT Motherboard with City Connection (565-274)

Note: The City (Brigade) connection is not used in Australia.
FIELD WIRING TERMINAL
BLOCK (TB1)
INTERNAL COMMS
CONNECTOR (P2)

Figure 5-3. UT Motherboard without City Connection (565-275)

CITY CONNECT
POWER/COMM BUS
CONNECTOR (J3)
SYSTEM POWER
POWER/COMM BUS
CONNECTOR (P3)
CONNECTOR (P1)
2120 COMM/RS-232 CARD
CONNECTOR (J1)
POWER/COMM BUS
CONNECTOR (P1)
5-5
Continued
JUMPERS (P4)
2120 COMM/RS-232 CARD
CONNECTOR (J1)
FIELD WIRING
TERMINAL
BLOCK (TB2)
FIELD WIRING
SYSTEM POWER
CONNECTOR (P3)
Continued on next page
TERMINAL
BLOCK (TB2)