Technical information

Installation
25
Installation
E&M Trunk Card Switch Settings
Set switch SN-1 and SN-2 on the E&M trunk cards.
∗Positions are SN-1 and SN-2 where N is the particular trunk circuit number on the card (1 through 4).
Figure 8: E&M Trunk Card
Table 6: E&M Trunk Switch Settings
Types of Interface Circuits Switch Positions
Signal/Carrier Set Types Co-located Trunk Types SN-1∗ SN-2∗
TYPE I NONE A B
TYPE II TYPE II B A
TYPE IV TYPE IV B A
TYPE V TYPE I B B
TYPE V TYPE III B B
TYPE V TYPE V B B