3Com 3C13886 Installation Guide - Page 86
Internal DIP switches, Table 3-24, DIP switch, Description, Default, setting
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Page 86 highlights
3Com Router Module Guide Chapter 3 Multifunctional Interface Modules 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 Port setting ON Uses 100-ohm resistance 1. 2BIT Not uses 100-ohm ON 0 OFF resistance ON Uses 100-ohm resistance 3. 4BIT Not uses 100-ohm ON 1 OFF matched resistance ON Uses 100-ohm resistance 5. 6BIT Not uses 100-ohm ON 2 OFF resistance ON Uses 100-ohm resistance 7. 8BIT Not uses 100-ohm ON 3 OFF resistance 3-42