3
Optoway
QPS-2580WG
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CONNECTION DIAGRAM
Table 3 PIN Description
PIN
1
2
Logic
CML-I
Signal Name
GND
Tx2n
Description
Note
1
Ground
Transmitter Inverted Data Input
3
4
5
6
7
8
9
10
CML-I
Tx2p
GND
Tx4n
Transmitter Non-Inverted Data Input
Ground
Transmitter Inverted Data Input
Transmitter Non-Inverted Data Input
Ground
1
1
2
1
1
CML-I
CML-I
Tx4p
GND
ModSelL
ResetL
Vcc Rx
SCL
LVTTL-I
LVTTL-I
Module Select
Module Reset
+3.3V Power Supply Receiver
2-wire serial interface clock
2-wire serial interface data
Ground
Receiver Non-Inverted Data Output
Receiver Inverted Data Output
Ground
Receiver Non-Inverted Data Output
Receiver Inverted Data Output
Ground
11 LVCMOS-I/O
12 LVCMOS-I/O
13
14 CML-O
15 CML-O
16
17 CML-O
18 CML-O
19
SDA
GND
Rx3p
Rx3n
GND
Rx1p
Rx1n
GND
GND
Rx2n
Rx2p
GND
Rx4n
Rx4p
GND
ModPrsL
IntL
1
1
20
Ground
21 CML-O
22 CML-O
23
24 CML-O
25 CML-O
26
27 LVTTL-O
28 LVTTL-O
29
Receiver Inverted Data Output
Receiver Non-Inverted Data Output
Ground
Receiver Inverted Data Output
Receiver Non-Inverted Data Output
Ground
Module Present
Interrupt
+3.3V Power supply transmitter
+3.3V Power supply
Low Power Mode
1
1
Vcc Tx
Vcc1
LPMode
2
2
30
31 LVTTL-I
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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
http: // www.optoway.com
2022/10/24 V1.0