Huawei OptiX OSN 8800 Hardware Description page 57

OptiX OSN 8800/6800/3800
Hardware Description
Pin
4
5
6
7
8
Table 4-31 Pin assignment of the SERIAL interface
Pin
1
2
3
4
5
6
7
8
9
Table 4-32 Pin assignment of the LAMP1/LAMP2 interface
Pin
1
2
Issue 01 (2016-03-10)
Signal
ETH_CRIT_TXP
ETH_CRIT_TXN
ETH_RXN
ETH_CRIT_RXP
ETH_CRIT_RXN
Signal
N.C
RXD
TXD
DTR
GND
-
-
GND
N.C
Signal
CRIT_ALMP
CRIT_ALMN
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4 OptiX OSN 8800 Subrack
Function
communications
Transmits the data positive
for inter-subrack emergent
communications
Transmits the data negative
for inter-subrack emergent
communications
Receives the data negative
for inter-subrack ordinary
communications
Receives the data positive
for inter-subrack emergent
communications
Receives the data negative
for inter-subrack emergent
communications
Function
Not defined
Receive end of data
Transmit end of data
Data terminal equipment
ready
Ground
Reserved
Reserved
GND
Not defined
Function
Critical alarm signal
positive
Critical alarm signal
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