Internal Dip Switch - Huawei Quidway Eudemon 200 Installation Manual

Installation Manual
Quidway Eudemon 200 Firewall
Note:
Both 75-ohm 4E1 adapter cable and 120-ohm 4E1 adapter cable are required for 4E1, but E1 cable is
optional, so you need to order the E1 cable when purchasing a 4E1. Otherwise, it will not be provided.
In addition, you are available with 75-to-120-ohm adapters.

7.6.5 Internal DIP Switch

4E1 provides internal DIP switches, the setting of which decides the interface
impedance and the grounding mode.
Table 7-8 DIP switches and E1 interfaces of 4E1
DIP switch
The controlled E1
interface
By default, all the DIP switches for 4E1 are placed to the position of ON, as illustrated in
Figure 7-5.
1
2
3
4
5
6
7
8
Figure 7-5 Default setting of DIP switches for 4E1
Table 7-9 explains the DIP switches of 4E1 and shows how to set them:
Module
S1
Interface 0
on
4E1
S2 S3
Interface 1 Interface 2
7-12
Chapter 7 Interface Module
S4
Interface 3