Unicorecomm Confidential
19
No
Signal
Type
Description
Note
Data
20
TxD1
Output
COM1 transmit data
RS-232
21
USB D (-)
Input/Output
USB D -
22
USB D (+)
Input/Output
USB D+
23
GND
Ground
GND
24
GND
Ground
GND
In addition
,
UB4B0 provides a 10/100M Ethernet interface, CAN, Odometer interface, with
dual row 2x8 pin (2.0mm pitch).
As following
:
No.
Signal
Function
Description
1
ETH_RD-
Negative electrode of Ethernet
receiving data, Differential pair.
Connect to RD-
2
Positive electrode of Ethernet
receiving data, Differential pair
Connect to RD+
3
CENT_RD
Ethernet interface transformer
center receives taps
Connect to RD Center
Tap
4
Positive electrode of Ethernet
receiving data, Differential pair
Connect to TD+
5
ETH_TD-
Negative electrode of Ethernet
receiving data, Differential pair.
Connect to TD-
6
CENT_TD
Ethernet interface Transformer
center send taps
Connect to TD Center
Tap
7
ETH_LINK
Ethernet interface connect indicator