
8.3 MODEM MODULE
The RFL 9660 modem module has a single programmable jumper (J4). Figure 8-2 shows the location
of this jumper which can be accessed only when the module is removed from the RFL 9660 chassis.
LOCATION FOR
PART NUMBER & REV
LABEL
LOCATION FOR
SERIAL NUMBER LABEL
CO
NN JK
M
A
L
E
,6
4
CON
T
DIN
R
F
L P
/N
98457
101138
220UF
50V
10
UF
.1
U
F
F
ER
R
IT
E
BEAD
470-30
104
10UF
.1
U
F
.01UF
1K
LM386
10UF
.1
U
F
MT5634SMI
MODEM 56KBPS V.92
TS
600-
170
220P
F
250V
220P
F
250V
FEERITE BEAD
470-30107
74HCT245
.1UF
1K
1K
1K
CONN,HDR,3 CKT
RFL P/N 220-10003
W/JUMPER 98306
0
N/A
N/A
N/A
237
392
10UF
.1
U
F
LM317
100UF
16V
47UH
2.4A
J4
Figure 8-2. Programmable jumper location, RFL 9660 33.6 Kbps modem module.
J4
Modem parameters are configured in the factory before shipment. For modem re-
configuration in the field, place J4 in position “B”. For normal operation J4 should be
placed in position “A”.
RFL 9660
RFL Electronics Inc.
April 24, 2007
8-5
(973) 334-3100
Содержание RFL 9660
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