Infosystem
®
WM-110
Infosystem
®
WM-110
9.
10.
Specifications
Specifications
B. PIN Descriptions
B. PIN Descriptions
– Part 1 –
– Part 2 –
PIN No.
Name
Type
Description
1
TPRX-
I
The AUI receive input pairs carries the differential receives input signal
from the MAU.
2
TPRX+
I
Same as the Pin 1, it is a positive differential input of the AUI.
3
VCC
P
+5V DC Power
4
LED_LINK
O
Active Low, Active while the UTP cable is plugged and link
5
LED_RX
O
Blinking while receiving a Ethernet Packet.
6
LED_TX
O
Blinking while transmitting a Ethernet Packet.
7
LED_SYS
O
1. Blinking Per second while normal operation
There are three signal states of this LED
2. Blink Fast while power on do self test.
3. Low while error or restored factory default parameter
8
GND
P
GND, DC power
9
TPTX-
O
This is AUI transmit output pair contains the differential line drivers
which send Manchester encoded data to the MAU.
10
TPTX+
O
Same as Pin 9, it is the Positive differentials transmit out.
11
SHIELD
GND
P
The shield GND.
12 IO6/Hal_Duplex
I/O
Digital I/O or it is a half duplex control of the RS-485
PIN No.
Name
Type
Description
13
ISP/SETUP
I
Active low, will cause System enter into ISP mode while power
plugged in and low this pin. Or Enter into Restored factory default
parameter mode
14
IO5/RS485
I/O
Digital I/O, or it is a RS-485 or RS-422 function selector.
15
/RST
I
Reset Pin
16
IO0
I/O
Digital I/O
17
IO1
I/O
Digital I/O
18
IO2
I/O
Digital I/O
19
RXD
I
UART Rx data in.
20
TXD
O
UART Tx data in
21
RTS
O
RS232 /RTS
22
CTS
I
RS232 /CTS
23
IO3
I/O
Digital I/O
24
IO4
I/O
Digital I/O