Advantech AIMB-250 用户手册
AIMB-250 Series
58 AIMB-250 Series User’s Manual
2.4.28
USB Connector 2 & 3 (JUSB1)
Signal
PIN
PIN
Signal
+5V
1
2
GND
D2- 3
4 GND
D2+
5
6
D3+
GND 7
8 D3-
GND
9
10
+5V
2.4.29
USB Connector 4 & 5 (JUSB2)
Signal
PIN
PIN
Signal
+5V
1
2
GND
D4- 3
4 GND
D4+
5
6
D5+
GND 7
8 D5-
GND
9
10
+5V
2.4.29.1 Signal
Description – USB Connecter 2, 3, 4 & 5 (JUSB1, JUSB2)
Signal
Signal Description
D2+/D2-
Differential bi-directional data signal for USB channel 2. Clock is transmitted along
with the data using NRZI encoding. The signalling bit rate is up to 12 Mbs.
D3+/D3-
Differential bi-directional data signal for USB channel 3. Clock is transmitted along
with the data using NRZI encoding. The signalling bit rate is up to 12 Mbs.
D4+/D4-
Differential bi-directional data signal for USB channel 4. Clock is transmitted along
with the data using NRZI encoding. The signalling bit rate is up to 12 Mbs.
D5+/D5-
Differential bi-directional data signal for USB channel 5. Clock is transmitted along
with the data using NRZI encoding. The signalling bit rate is up to 12 Mbs.