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9785
RFL
Electronics
Inc.
ember 1, 2006
17-3 (17-4 Blank)
(973) 334-3100
C2
6
5
4
3
2
1
A2
C1
A1
C4
A4
C3
A3
C32
A32
A12
A14
C13
C12
C15
C14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
10
8
9
13
11
12
C1
C2
C3
C6
C5
U1
C4
R1
C12
C11
C10
C9
CR1
CR2
R2
Q1
R3
C7
U2
C8
U2
U2
U2
R4
+5V
+5V
+5V
F_RXD
F_RXD
F_RXD
F_CTS
F_TXD
F_TXD
F_TXD
F_RTS
F_DTR
DOUT
DOUT
DOUT
R_TXD
R_TXD
R_RXD
R_RXD
DIN_F
DIN_R
R_CTS
DIN
DIN
R_RTS
35V
47uF
.1uF
.1uF
.1UF
.1UF
C1+
V+
C1-
C2+
C2-
V-
T2OUT
R2IN
R2OUT
T2IN
T1IN
R1OUT
R1IN
T1OUT
GND
VCC
ADM202EAN
.1UF
3.16K
1000V
.002uF
1000V
.002uF
1000V
.002uF
.001uF
P6KE30CA
1N914B
3.16K
2N2222A
1K
.1UF
74ACT02
.1UF
74ACT02
74ACT02
74ACT02
N/A
GND
P1
J1
D-SUB 9 (FEMALE)
FRONT DCE PORT
5
4
7
3
8
2
PIN
Figure 17-2. Schematic, RFL 9785 Checkback Communications Module (Dwg. No. C-106649-A)
RFL
Sept