Huawei Quidway S3526 - Connecting AUX Cable; Installation of the Optional Interface Modules; Post-Installation Checklist

Installation Manual
Quidway S3526 Ethernet Switch Chapter 4 Installation
4-8
Enlarged A side
Pos.1
Pos.25
DB25 Male
A
DB9 Male
Label
8P8C PLUG
B
Enlarged B side
Pos.1 Pos.8
Enlarged C side
Pos.9
Pos.1
C
Figure 4-7 AUX cable
Table 4-2 AUX cable pinouts
RJ-45 Signal Direction DB-25 DB-9
1 RTS ---> 4 7
2 DTR ---> 20 4
3 TXD ---> 2 3
4 CD <--- 8 1
5 GND --- 7 5
6 RXD <--- 3 2
7 DSR <--- 6 6
8 CTS <--- 5 8
4.4.2 Connecting AUX Cable
Step 1: Plug the RJ-45 end of the AUX cable into the switch Console.
Step 2: Connect the DB-25 (or DB-9) end of the AUX cable into the Modem serial port.
4.5 Installation of the Optional Interface Modules
Refer to Chapter 8 for detailed description.
4.6 Post-installation Checklist
After the installation is completed, check that: