สัญญาญ จะมาตามนี้ ใช้ 2 กับ 4 บอก Status
UPS Pin
|
UPS signal
|
Description
|
1
|
USB_VCC
|
decoupled with a ferrite, and protected
with a 6.2V zener on the PCB side
|
2
|
ON_BATT
|
(active high) - Logic 1: 12V via 3kohm
resistor, Logic 0: 0V via open collector of 2N2222 to gound
|
3
|
\Lo_BATT
|
(active low) - Logic 1: 12V via 3kohm
resistor, Logic 0: 0V via open collector of 2N2222 to gound
|
4
|
GND
|
direct connection, no decoupling
|
5,6
|
USB TST (NC)
|
No physical connection
|
7
|
GND
|
decoupling via ferrite
|
8
|
INVSD
|
Active high to base of a 2N2222 (resistor input
-> base: 3kohms, resistor base -> gnd: 1kohms)
|
9
|
USB Data- (negative)
|
Protected with 47ohms resistors, ferrite
|
10
|
USB Data+ (positive)
|
Protected with 47ohms resistors, ferrite
|
RJ50(not45)
------
| -- 10 - green - USB 3 - USB+
| -- 9 - white - USB 2 - USB-
| -- 8
_|
-- 7 - black - usb 4 - GND
| | -- 6
|_| -- 5
| -- 4 - brown - shield
| -- 3
| -- 2
| -- 1 - red - usb 1 - +5V
------
USB end (looking against the connector):
-----
|
| |
| X|
| 1 - red - +5V
|
| |
| X|
| 2 - white - USB-
|
| |
| X|
| 3 - green - USB+
|
| |
| X|
| 4 - black - GND
|
| |
----- shield -
brown - SHIELD
ไม่มีความคิดเห็น:
แสดงความคิดเห็น