
Section 12. Connections
PORT 1 (DUPLEX) HARDWARE CONFIGURATION
FUNCTION
Jmp 3
Jmp 4
Jmp 6
IC Changes
RS232
1-3 2-4
1-4
All Open
None
RS485
All Open
2-5
All Open
Insert U19
20ma (Passive)
All Open
3-6
1-2 5-6
Remove U19
20ma (Active)
All Open
3-6
1-5 3-7 4-8
Remove U19
PORT 2 (PRINTER) HARDWARE CONFIGURATION
FUNCTION
Jmp2
Jmp5
RS232
All Open
1-3 2-4
20ma (Passive)
1-2 5-6
All Open
20ma (Active)
1-5 3-7 4-8
All Open
SERIAL DATA CONNECTIONS - PORT 1
(DUPLEX)
Port 1
RS232
Port 1
RS485
Port 1
20 ma
TB2-9
TXD
TB2-5
TXD/RXD- (B)
TB2-9
TXD+
TB2-1
Signal Ground
TB2-8
TXD/RXD+ (A)
TB2-8
TXD-
TB2-4
RXD
TB2-10
Chassis Ground
TB2-4
RXD+
TB2-10
Chassis Ground
TB2-5
RXD-
TB2-10
Chassis Ground
SERIAL DATA CONNECTIONS - PORT 2
(PRINTER)
Port 2
RS232
Port 2
20 ma
TB2-6
TXD
TB2-6
TXD+
TB2-1
Signal Ground
TB2-7
TXD-
TB2-7
CTS
TB2-10
Chassis Ground
TB2-10
Chassis Ground
78