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Chapter 2: Jumpers and Connectors
COM2 (RS485) labelled "B" on DB9 Cable Connector
DB44 Pin #
DB9 Pin #
Def.
11
1
TXD-
RXD-
13
3
Reserved
15
5
Reserved
17
7
Reserved
19
9
Reserved
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DB44 Pin #
DB9 Pin #
Def.
12
2
TXD+
RXD+
14
4
Reserved
16
6
Reserved
18
8
Reserved
20
Reserved
LAN1 Port
Connector type: RJ45 port with LEDs
Connector location: CN3B
Act
Link
Act
Status
Orange
Data Activity
Blinking
Off
No Acitivity
Pin
Definition
09
LAN1_M0P
11
LAN1_M1P
13
LAN1_M2N
15
LAN1_M3P
17
LAN1_LED1P
19
LAN1_LED2P
21
UL_GND
25
UL_GND
22
Link
Status
Green
Linked
Always Lighted
Off
No Link
Pin
Definition
10
LAN1_M0N
12
LAN1_M2P
14
LAN1_M1N
16
LAN1_M3N
18
LAN1_LED_ACT#
20
LAN1_LINK#
24
UL_GND
28
UL_GND
NISE 3520 Series User Manual
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