User's Manual

Doc. No.
Rev.
Date
DRAFT
1.01
2012-01-27
Damm Cellular Systems A/S, Denmark
TetraFlex
®
7.5 Manual - SB421
TetraFlex® 7.5 Manual 1-7
1.1.4.5.3 LED’s
o EXT SEC IN 2
o EXT SEC IN 1
o TR2 SEC IN
o TR1 SEC IN
Figure 1-5: Interconnection Board
1.1.4.5.4 TR1/TR2 connection module
The TR1/TR2 connection module is located at the LEFT bottom side of the SB421
interconnection board
o -48V DC for TR1 (J1)
o LAN / 1 second synchronization pulse for TR1 (J2)
o -48V DC for TR2 (J3)
o LAN / 1 second synchronization pulse for TR2 (J4)
The TR1 / TR2 connection module is located at the left bottom side of the SB421 housing.
Figure 1-6: TR Connection Module