Moog Components Group
201760 - RS-422/485 Daughterboard
2/24/2009
Page 6 of 9
J7
–
LED Header
Signal Name
Pin
Pin
Signal Name
GND
1
2
+5V (optional)
R1
3
4
T1
R2
5
6
T2
R3
7
8
T3
R4
9
10
T4
R5
11
12
T5
R6
13
14
T6
R7
15
16
T7
R8
17
18
T8
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
3
RS-422/485 Daughterboard Troubleshooting
In normal operation the following board mounted LED status should be observed:
D1
+5VDC power LED Lit green
D9
RLINK LED - Lit green if receiving link from Modem
D10
TLINK LED - Lit green if receiving link from Modem
D8
+3.3VDC power LED Lit green
LED9
Channels 1&2 Is5VDC power - LED Lit green
LED1
Channels 3&4 Is5VDC power - LED Lit green
LED2
Channels 5&6 Is5VDC power - LED Lit green
LED3
Channels 7&8 Is5VDC power - LED Lit green
