Blue Heat/PCI User’s Manual, Connect Tech Inc. Revision 0.11 12 Figure 5: Blue Heat/PCI RJ-11 adapter
RJ-11 Connectors
Port 6
Port 5
Port 4
Port 3
Port 2
Port 1
PCI Bridge
16C654 Quad
UARTs
CPLD

Blue Heat/PCI RJ-11 adapter

10 pin headers
Port 7 Port 8
Figure 6: Blue Heat/PCI Opto adapters
RJ-45 Connectors
Port 1
Port 2
PCI Bridge 16C2850 Dual
UARTs
CPLD

Blue Heat/PCI Opto adapter (2 port model)

Blue Heat/PCI Opto RS-422/485 adapter (2 port model)

Termination/Bias
Jumper blocks – JA, JB
RJ-45 Connectors
Port 1
Port 2
Port 3
Port 4
PCI Bridge 16C2850 Dual
UARTs
CPLD

Blue Heat/PCI Opto adapter (4 port model)

Blue Heat/PCI Opto RS-422/485 adapter (4 port model)

Electrical Interface
Jumper blocks – J2, J3
(Blue Heat/PCI Opto)
Tri-state enable
on powerup
J1
Termination/Bias
Jumper blocks – JA, JB, JC, JD
Electrical Interface
Jumper blocks – J2, J3, J4, J5
(Blue Heat/PCI Opto)
Optical
Isolators
Optical
Isolators
Tri-state enable
on powerup
J1