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MT321 Quick Installation Guide V1.2
Chapter 2: Connectors pin definition
2.1 Connectors list
Label
Function
J1
Board to board connector
LAN1, LAN2 M12 connector
LAN1, LAN2 RJ45 connector
LAN1, LAN2 M20 Shielded RJ45 connector MT321-M20
2.2 Connector pin definition
J1: board to board connector
PIN DEFINITION
1
LAN2_MDI0_DP
3
LAN2_MDI0_DN
5
LAN2_MDI1_DP
7
LAN2_MDI1_DN
9
LAN2_MDI2_DP
11
LAN2_MDI2_DN
13
LAN2_MDI3_DP
15
LAN2_MDI3_DN
17
GND
19
LAN2_1.5V
21
LAN2_ACT#
23
+3.3V
25
LAN2_LED_100#
27
LAN2_LED_1000#
29
GND
LAN1, LAN2: M12 connector
PIN DEFINITION
1
BI_D0-
RJ45-PIN2
2
BI_D0+
RJ45-PIN1
3
BI_D1-
RJ45-PIN6
4
BI_D1+
RJ45-PIN3
5
BI_D2-
RJ45-PIN8
6
BI_D2+
RJ45-PIN7
7
BI_D3-
RJ45-PIN4
8
BI_D3+
RJ45-PIN5
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Note
MT321, MT321-R, MT321-M
MT321-M
MT321-R
PIN DEFINITION
2
LAN1_MDI0_DP
4
LAN1_MDI0_DN
6
LAN1_MDI1_DP
8
LAN1_MDI1_DN
10
LAN1_MDI2_DP
12
LAN1_MDI3_DN
14
LAN1_MDI3_DP
16
LAN1_MDI3_DN
18
GND
20
LAN1_1.5V
22
LAN1_ACT#
24
+3.3V
26
LAN1_LED_100#
28
LAN1_LED_1000#
30
GND
9
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