150-204-111-01, Revision 01
Power and Grounding
HRE-204 List 1A and List 2A
April 7, 2000
11
HLU A
LARM
O
UTPUT
I
NTERFACE
When HLU-431 line units are installed in the HRE-204, the Normally Open (NO) and Common (COM) system
alarm relay contacts are bused together and made available on the Euro-style terminal block TB5.
shows
the TB5 pin assignments.
Figure 9.
System Alarm (TB5) Pin Assignments
F
ACILITY
S
IDE
HDSL C
ONNECTIONS
The HDSL facility side ports are available through the FAC ports of the Euro-style terminal blocks.
shows the TB1 (Slot 1) pin assignments, and
shows the TB2 pin assignments (Slots 2, 3, and 4).
Figure 10.
TB1 Pin Assignments (Slot 1)
