MP2800 Series Router Install Manual V1.2
Maipu Confidential & Proprietary Information
Page 46 of 47
RJ45 jack Standard DB9 interface
Console port cable connection relation:
RJ45
Signal
Direction
DB9
Length
1
CTS
—
>
8
2
DSR
—
>
6
3
RXD
—
>
2
4
GND
---
5
5
---
---
---
6
TXD
<
—
3
7
DTR
<
—
4
8
RTS
<
—
7
---
---
1
---
---
9
3m
RM2-1E1 & RM2-1CE1 Using
RJ45-RJ45 Crossover Twisted-
Pair
If RJ45-RJ45 crossover twisted-pair is needed when using RJ45 interface
of E1 and CE1 cards, make the cables according to the cable sequence
described in the following table.
RJ45
Signal
Direction
RJ45
1
RX+
<
—
4
2
RX-
<
—
5
3
---
---
7
6
---
---
8
4
TX+
—
>
1
5
TX-
—
>
2
7
---
---
3
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