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Page 6 of 29FS-8700-66_GE-SNP Manual Page 6 of 29
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldServer.com
Tel: (408) 262-2299 Fax: (408) 262-2296 Toll_Free: 888-509-1970 email: support@fieldServer.com
BASE NAME:
FILE NAME:
GE SNP
CONNECTION DIAGRAM
RS-485 to RS-232 using
Model4850 TLED connector.
FS-8700-66-1
DATE: 2/16/08
BY: MC
RS-232 TO RS-422/485
OPTICALLY ISOLATED
CONVERTER
Recceive
Transmit
RS-232
SR-422/485
MODEL 485OTLED
electronics
B&B
TDA(-)
TDB(+)
RDA(-)
RDB(+)
422/485
GND
SD
RTS
+12V
R-232
GND
O
N
1 2 3 4 5 6 7 8
4800
9600
19.2K
38.4K
ECHO
4W/2W
4W/2W
TERM.
JP1
TB1
TB2
R1 or R2
+ (B)
- (A)
GND
FieldServer
2
3
4
7
DB25F
91035
7
Rx
Tx
RTS
GND
Note: Pins 4&5 and pins 6,8&20 are
bridged internally to allow for RS-232
devices that need hardware control.
RS-232 Device
2
3
5
J2
Rx
Tx
RTS
GND
RS-232 TO RS-422/485
OPTICALLY ISOLATED
CONVERTER
Recceive
Transmit
RS-232
SR-422/485
MODEL 485OTLED
electronics
B&B
TDA(-)
TDB(+)
RDA(-)
RDB(+)
422/485 GND
SD
RTS
+12V
R-232
GND
O
N
1 2 3 4 5 6 7 8
4800
9600
19.2K
38.4K
ECHO
4W/2W
4W/2W
TERM.
JP1
TB1
TB2
+ (B)
- (A)
GND
Remote Serial
Device – 2 wire
2
3
4
7
DB25F
91035
TDA(-)
TDB (+)
RDB(+)
RDA(-)
GND
Remote Serial
Device – 4 wire
FS-8917-01
2
3
5
7
21787
J2
From FieldServer
Converter for Cable 3: From RS-232 on FieldServer to RS-485 on device.
Converter for Cable 4: From RS-485 on FieldServer to RS-323 on device.