Huawei OptiX OSN 8800 - Page 57

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.
55
Pin
Signal
Function
communications
4
ETH_CRIT_TXP
Transmits the data positive
for inter-subrack emergent
communications
5
ETH_CRIT_TXN
Transmits the data negative
for inter-subrack emergent
communications
6
ETH_RXN
Receives the data negative
for inter-subrack ordinary
communications
7
ETH_CRIT_RXP
Receives the data positive
for inter-subrack emergent
communications
8
ETH_CRIT_RXN
Receives the data negative
for inter-subrack emergent
communications
Table 4-31 Pin assignment of the SERIAL interface
Pin
Signal
Function
1
N.C
Not defined
2
RXD
Receive end of data
3
TXD
Transmit end of data
4
DTR
Data terminal equipment
ready
5
GND
Ground
6
-
Reserved
7
-
Reserved
8
GND
GND
9
N.C
Not defined
Table 4-32 Pin assignment of the LAMP1/LAMP2 interface
Pin
Signal
Function
1
CRIT_ALMP
Critical alarm signal
positive
2
CRIT_ALMN
Critical alarm signal