Connect Tech Blue Heat/PCI PCI Serial Communications - Manual (Page 11)

Blue Heat/PCI User’s Manual, Connect Tech Inc.
11 Revision 0.11
Figure 3: Universal Blue Heat/PCI RS-422/485 adapters
Universal Blue Heat/PCI RS-422/485
(8 port & 4+4 models)
DB-78
Connector
Surge
Suppression
PCI Bridge
16C864
Quad UARTs
CPLD
J1 – Tri-state control
Figure 4: Blue Heat/PCI RS-422/485 adapter (6+2 model)
DB-78
Connector
Surge
Suppression PCI Bridge
16C864 Quad
UARTs
CPLD
Blue Heat/PCI RS-422/485 adapter
(6+2 model)
Tri-state control
Line bias termination
J1 through J13