3Com 3C13840, 3C13759, 3C13701 manual Internal DIP switches, DIP switch Description Default Setting

3Com Router 5000 and Router 6000 v2.41	Chapter 3
Module Guide	Multifunctional Interface Modules (Router 5000)

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 3-47Default setting of DIP switch for Router 4-Port ISDN-S/T MIM module

Table 3-24Configuration of DIP switches for Router 4-Port ISDN-S/T MIM module

DIP switch		Description	Default
			setting
	ON	Uses 100-ohm resistance
1. 2BIT			ON
		Not uses 100-ohm
	OFF
		resistance
	ON	Uses 100-ohm resistance
3. 4BIT			ON
		Not uses 100-ohm
	OFF
		matched resistance
	ON	Uses 100-ohm resistance
5. 6BIT			ON
		Not uses 100-ohm
	OFF
		resistance
	ON	Uses 100-ohm resistance
7. 8BIT			ON
		Not uses 100-ohm
	OFF
		resistance

Port

0

1

2

3

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