MP2800
Series
Router
Installation
Manual
Version
1.0
RM2-1E1 & RM2-1CE1 Using
RJ45-RJ45 Crossing Twisted-pair
When using RJ45 interface of E1 card, use RJ45-RJ45 cross twisted-pair.
Make the cables according to the cable sequence described in the following
table. E1 and CE1 using RJ45-RJ45 cross twisted-pair:
RJ45
Signal
Direction
RJ45
1 RX+
<—
4
2 RX-
<—
5
3 ---
---
7
6 ---
---
8
4 TX+
—>
1
5 TX-
—>
2
7 ---
---
3
8 ---
---
6
Maipu Confidential & Proprietary Information
Page 55 of 55