3Com 3.9.3 Internal DIP switches

3Com Router 5000 and Router 6000 v2.41
Module Guide
Chapter 3
Multifunctional Interface Modules (Router 5000)
3-42
3.9.3 Internal DIP switches
The purpose of internal DIP switches of Router 4-Port ISDN-S/T MIM is to set the
matched resistance on an ISDN BRI S/T port. The setting of this switch (DIP S1)
decides the use of 100-ohm resistance on the ISDN BRI S/T port.
on
1
2
3
4
5
6
7
8
Figure 3-47 Default setting of DIP switch for Router 4-Port ISDN-S/T MIM module
Table 3-24 Configuration of DIP switches for Router 4-Port ISDN-S/T MIM module
DIP switch Description Default
setting Port
ON Uses 100-ohm resistance
1. 2BIT
OFF Not uses 100-ohm
resistance
ON 0
ON Uses 100-ohm resistance
3. 4BIT
OFF Not uses 100-ohm
matched resistance
ON 1
ON Uses 100-ohm resistance
5. 6BIT
OFF Not uses 100-ohm
resistance
ON 2
ON Uses 100-ohm resistance
7. 8BIT
OFF Not uses 100-ohm
resistance
ON 3