Intermec EasyCoder 501 XP Service Manual page 156

Chapter 16 Interfaces
16.6 Double Serial
Interface Board, cont.
No circuits on IC13 and IC14
Fit RS-422 circuit on IC12
Remove circuit on IC11
Fit strap on S5
Fit circuits on IC13 and IC14
No circuit on IC12
Remove circuit on IC11
Fit strap on S6
154
"uart3:" RS-422 Non Isolated
F32
UART3
F24
RP2
IC14
F20
F23
F31
F34
F15
F16
F17
F18
F25
IC13
IC12
F33
F30
R27 R29
RS232: IC2
P4
RS485: IC4, S3, S4*
RS422isolated: IC3, S2, S4
UART2
RS422nonisol.: IC18, S1,S4
* Term. if end of cable
R11
F10
F11
R6
F12
R7
F13
F14
R4
F9
R5
F8
R10
F6
F5
F4 S4
F3
F7
F2
F1
P3
"uart3:" 20 mA Current Loop
F32
UART3
F24
RP2
IC14
F20
F23
F31
F34
F15
F16
F17
F18
F25
IC13
IC12
F33
F30
R27 R29
RS232: IC2
P4
RS485: IC4, S3, S4*
UART2 RS422isolated: IC3, S2, S4
RS422nonisol.: IC18, S1,S4
* Term. if end of cable
R11
F10
F11
R6
F12
R7
F13
F14
R4
F9
R5
F8
R10
F6
F5
F4 S4
F3
F7
F2
F1
P3
Intermec EasyCoder 501 XP & 601 XP – Service Manual
RS232: IC11
RS422nonisol.: IC12, S5
20mA CL: IC13, IC14, S6
R30 +
IC10
C8
+
+
R20
R21
R23
S5
R22
S6
IC11
IC15
IC7
R3
R2
R1
C3
R15
+
+
+
+
IC18
S3
C11
S2
IC4 IC3 S1
IC2
RS232: IC11
RS422nonisol.: IC12, S5
20mA CL: IC13, IC14, S6
R30 +
IC10
C8
+
+
R20
R21
R23
S5
R22
S6
IC11
IC15
IC7
R3
R2
R1
C3
R15
+
+
+
+
IC18
S3
C11
S2
IC4 IC3 S1
IC2
1-971613-00.A01
C10
P2
C7
C2
C1
R13
R12
R14
R8
IC6
C5
IC5
P1
1-971613-00.A01
C10
P2
C7
C2
C1
R13
R12
R14
R8
IC6
C5
IC5
P1