Hardware Requirements for CDG2 and Field Testing
In order to use the setup described above for CDG2 testing, the customer must perform the following modification on the c18
module:
• Solder two 0402 size 0Ω chip resistors (R6801 and R6802) on the c18, at the places shown in Figure 35 below.
• Solder a wire from the USB_VBUS PAD (J10, pin #1) to the VBUS test point shown in Figure 34.
68
5
1
6
7
1
8
1
TP_OPT2
G1
1
TP_OPT1
USB_VBUS
2
1
2
1
3
1
4
5
2
6
7
8
9
10
11
12
13
14
1
36-pin ZIF Connector
J10
36
28-pin DIN Connector
1 3
J11
2 4
Figure 35. Solder Location for Chip Resistors
4
3
U5201
2
1
C5201
R6801
1
2
(USB_D+)
R6802
(USB_D-)
25 27
26 28
GPS
Antenna
Connector
6
7
8
M7000
R-UIM Connector
3
4
5
1 2
Cellular
Bands
Antenna
Connector
3
J30
1
2
3
J31
1
2
98-08901C63-A