Huawei MU609 - Page 12

9
PIN
No.
Pin Name
I
/
O
Description
DC Characteristics (V)
Mini PCI
Express
Standard
Description
HUAWEI
Pin
Description
Min.
Typ.
Max
.
38
USB_D+
USB_D+
I
/
O
USB signal D+
-
-
-
39
3.3Vaux
VCC_3V3
P
3.3 V DC supply
rails from the PC
side.
3.0
3.3
3.6
40
GND
GND
-
Mini Card
ground
-
-
-
41
3.3Vaux
VCC_3V3
P
3.3 V DC supply
rails from the PC
side
3.0
3.3
3.6
42
LED_WWAN
#
LED_WWA
N
I
Active-low LED
signal indicating
the state of the
card
-
-
-
43
GND
GND
-
Mini Card
ground
-
-
-
44
LED_WLAN#
NC
-
Not connected
-
-
-
45
Reserved
PCM_CLK
O
PCM interface
clock
–0.3
1.8
2.1