1X9 Series
155Mbps Bi-Directional transmission
Eoptolink Technology Inc., Ltd.
Last printed 2/14/2008 Page 4 of 8
Pin Description
Pin Name
Level
Description
1
VEER
Receiver Signal Ground, connect to receiver signal
ground plane directly
2
RD+
LVPECL/PECL
Receiver Data Out, Terminate this pin with standard
LVPECL/PECL techniques
3
RD-
LVPECL/PECL
Receiver Data Out, Terminate this pin with standard
LVPECL/PECL techniques
4
SD
LVPECL/PECL
Signal Detect, LVTTL/TTL
( Load resistor > 4.7K¡)or LVPECL/PECL output,
Normal optical input levels to the receiver result in a
logic “1” output, asserted. Low input levels to the
receiver result in a fault condition indicated by a logic
“0”output, deasserted.
5
VccR
Receiver Power Supply ,provide +5V(+3.3V) a the
recommended receiver power supply filter circuit.
Locate the power filter circuit as close as possible to
the VCCT pin
6
VccR
Transmitter Power Supply, provide +3.3V /+5V DC
via the recommended transmitter power supply filter
circuit. Locate the power filter circuit as close as
possible to the VCCT pin
7
TD-
PECL
Transmitter Data in
8
TD+
PECL
Transmitter Data in
9
VEET
Transmitter Signal Ground, connect to the
transmitter signal ground planed directly
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