Huawei OptiX OSN 8800 - Page 56

OptiX OSN 8800/6800/3800
Hardware Description
4 OptiX OSN 8800 Subrack
Issue 01 (2016-03-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
54
Figure 4-22 Pin assignment of the DB9 connector
1
2
3
4
5
6
7
8
9
Table 4-29 Pin assignment of the NM_ETH1/NM_ETH2 interface
Pin
Signal
Function
1
NM_ETNTXP
NM communications,
transmits the data positive
2
NM_ETNTXN
NM communications,
transmits the data negative
3
NM_ETNRXP
NM communications,
receives the data positive
4
N C
Not connected.
5
N C
Not connected.
6
NM_ETNRXN
NM communications,
receives the data negative
7
N C
Not connected.
8
N C
Not connected.
Table 4-30 Pin assignment of the ETH1/ETH2/ETH3 interface
Pin
Signal
Function
1
ETH_TXP
Transmits the data positive
for inter-subrack ordinary
communications
2
ETH_TXN
Transmits the data negative
for inter-subrack ordinary
communications
3
ETH_RXP
Receives the data positive
for inter-subrack ordinary