Rs-422 Isolated, Full Duplex - Intermec EasyCoder PF2i Installation Instructions Manual

Chapter 3 — Serial Interfaces "uart2:", "uart3:", and "uart4:"

RS-422 Isolated, Full Duplex

(reconfi guration required)
Remove strap
on J2 A
Fit straps on
J3 and J4
Remove RS-232
circuit on IC11
Fit RS-422 circuit
on IC12
22
UARTB
B B B A A A
J6
F13
J7
C C C
B B B
A A A
C C C
B B B
J8 A A A
F9
R32
P3
RS232: IC21, J6A
RS422: IC22, J6B, J7, J8
20MACL: IC23, IC24, J5 J9*, J10*
*: TRANSM.=J9, RECEIV.=J10
PASSIVE=B, ACTIVE=A+C
RS232: IC11, J2A
RS422: IC12, J3, J4
RS485: IC13, J1, J4*
*: IF END OF CABLE
UARTA
B A
J2
R15
J3
P2 C54
Th e RS-422 circuit is available as a spare part, see the
Spare Parts Catalog.
Double Serial Interface Kit Installation Instructions
IC23 IC21
C11
J10 R27
R35 R30
C63
C13
C62
R25
R28 R29
R26
R19
J9
C64
IC24
IC3
C3
C4
C2 C1
R14
IC13
IC11
IC12
R13
R8
R18
R10
R12
C56
R9
C57
1-971642-01
C10 C12
C36
IC20
C42
C34
P1
C35
IC10
C51
C50
J1
P01