Optoway
CONNECTION DIAGRAM
BTRS-3702MG
3
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PIN
1
2
3
4
5
6
7
8
9
10
MS
Symbol
V
EE
r
V
CC
r
SD
RD−
RD+
V
CC
t
V
EE
t
TxDis
TD+
TD-
MS
Notes
Directly connect this pin to the receiver ground plane
+3.3V dc power for the receiver section
Active high on this indicates a received optical signal.
Receiver Dataout Bar. See recommended circuit schematic
Receiver Dataout. See recommended circuit schematic
+3.3V dc power for the transmitter section
Directly connect this plan to the transmitter ground plane
Transmitter Disable. Connect this pin to +3.3V TTL logic
“1”
to disable module
To enable module connect to TTL logic low
“0”
Transmitter Data In. See recommended circuit schematic
Transmitter Data In Bar. See recommended circuit schematic
Mounting Studs. Connect to Chassis Ground
RECOMMENDED CIRCUIT SCHEMATIC
Recommended AC Coupled Interface Circuit
Terminate in Tranceiver inputs
Vcc3.3V
PHY DEVICE
R8
82R
R9
82R
R10
130R
R11
130R
Vcc3.3V
C7
100nF
C8
100nF
MICROSTRIP5
Z=50R
MICROSTRIP6
Z=5OR
R14
130R
Vcc3.3V
R15
130R
TD-
LVPECL
TD+
TDis(LVTTL)
L3
10
9
8
7
6
1uH
C9
TD-
TD+
TDis
Veet
Vcct
10nF
U2
SFF2X5
Veer
Vccr
SD
RD-
RD+
C10
10uF
L4
1uH
C15
10nF
C16
10uF
Vcc3.3V
C11
1
2
3
4
5
10nF
C12
10uF
R16
130R
RD+
Vcc3.3V
Vcc3.3V
C13
100nF
C14
100nF
R12
150R
R13
150R
MICROSTRIP7
Z=50R
MICROSTRIP8
Z=5OR
Vcc3.3V
R17
82R
R18
130R
RD-
LVPECL
R19
82R
R20
130R
SD
R21
82R
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OPTOWAY TECHNOLOGY INC.
No.38, Kuang Fu S. Road, Hu Kou, Hsin Chu Industrial Park, Hsin Chu, Taiwan 303
Tel: 886-3-5979798
Fax: 886-3-5979737
E-mail: sales@optoway.com.tw http: // www.optoway.com.tw
10/1/2009 V4.0