User Manual

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Pin/Descriptions!
Pin!
Symbol!
Name/Descriptions!
Ref.!
1!
VeeT!
Transmitter!Ground!(Common!with!Receiver!Ground)!
1!
2!
TX!Fault!
Transmitter!Fault.!
!
3!
TX!Disable!
Transmitter!Disable.!Laser!output!disabled!on!high!or!open.!
2!
4!
MOD!DEF!(2)!
Module!Definition!2.!Data!line!for!Serial!ID.!
3!
5!
MOD_DEF!(1)!
Module!Definition!1.!Clock!line!for!Serial!ID.!
3!
6!
MOD_DEF!(0)!
Module!Definition!0.!Grounded!within!the!module.!
3!
7!
Rate!Select!
No!connection!required.!
!
8!
LOS!
Loss!of!Signal!indication.!Logic!0!indicates!normal!operation.!
4!
9!
VeeR!
Receiver!Ground!(Common!with!Transmitter!Ground)!
1!
10!
VeeR!
Receiver!Ground!(Common!with!Transmitter!Ground)!
1!
11!
VeeR!
Receiver!Ground!(Common!with!Transmitter!Ground)!
1!
12!
RD-!
Receiver!Inverted!DATA!out.!AC!Coupled.!
!
13!
RD+!
Receiver!Non-inverted!DATA!o ut .!AC !C o u ple d.!
!
14!
VeeR!
Receiver!Ground!(Common!with!Transmitter!Ground)!
1!
15!
VccR!
Receiver!Power!Supply.!
!
16!
VccT!
Transmitter!Power!Supply.!
!
17!
VeeT!
Transmitter!Ground!(Common!with!Receiver!Ground)!
1!
18!
TD+!
Transmitter!Non-Inverted!DAT A !in .!A C !C o u p le d. !
!
19!
TD-!
Transmitter!Inverted!DATA!in.!AC!Coupled.!
!
20!
VeeT!
Transmitter!Ground!(Common!with!Receiver!Ground)!
1!
!
Notes:/
1. Circuit!ground!is!internally!isolated !fro m!chassis!g ro u nd.!
2. Laser!output!disabled!on!TX!Disable!>2.0V!or!open,!enabled!on!TX!Disable!<0.8V.!
3. Should!be!pulled!up!with!4.7k-10kohms!on!host!board!to!a!voltage!between!2.0V!and!3.6V.!MOD_DEF!
(0)!pulls!line!low!to!ind ica te!m o du le!is!plu gg ed !in. !
4. LOS!is!open!collector!output.!Should!be!pulled!up!with!4.7k-10kohms!on!host!board!to!a!voltage!
between!2.0V!and!3.6V.!Logic!0!indicates!normal!operation;!logic!1!indicates!loss!of!signal.!
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