Huawei TP482000B Series User Manual page 44

TP482000B V300R002C03 Telecom Power
(TP482000B-N20B1, TP482000B-N20B2,
TP481200B-N20B1, and TP481200B-N20B2)
User Manual
Table 5-3 Port description
No. Port
1 RS232
2 Control area
network (CAN)
3 Fast Ethernet (FE) Connects to an NMS.
4 COM
5 RS485
6 PELU
7 DIN
8 ALM
Figure 5-4 RS232 port pins
Table 5-4 RS232 port pin definition
Pin
2
3
5
1, 4, 6, 7, 8, and 9
Issue 07 (2020-04-10)
Description
Connects to a network management
system (NMS).
Connects inter-cabinet
communications cables.
10/100M auto-negotiation
Connects to an intelligent
communications device.
Connects to a personal computer (PC)
or an NMS.
Cabinet e-label port.
Four dry contact inputs.
Eight dry contact outputs.
Signal
RXD
TXD
GND
N/A
Copyright © Huawei Technologies Co., Ltd.
Protocol Compliance
YDN protocol
Baud rate: 9600 bits/s or 19,200 bits/s
CAN 2.0
HTTPS, SNMP, and Bin
Modbus protocol
YDN protocol or Huawei master/slave
protocol
N/A
N/A
N/A
Description
Receive
Transmit
Ground
N/A
5 Components
38