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LTPH-UM-1234-01 Generic Information
HDU-409 Lists 1, 2, and 3 April 30, 2003 17
The AT&T 819 enclosure has two, individual isolated chambers as shown in
Figure 4. Slots 1 through 14 are in one chamber. The other chamber contains
slots 15 through 25, along with the Pressure (PRES), Filter (FIL), Capacitor
(CAP), and COIL slots.
.
Figure 4. AT&T 819 Enclosure, Slot Locations 1 through 14
The AT&T 819 can house up to 14 HDU-409 doublers in the slots designated
as D1 through D14 as shown in Figure 4.
Because the length of the HDU-409 extends beyond the depth
that older AT&T 819 T1 repeater apparatus covers can
accommodate, the cover must be replaced by a deeper cover.
Top
Bottom
Chamber 1 Chamber 2
P
R
E
S
8
D5
910
D6
11
12
D7
20 21
D12
22
1
D1
24
5
D3
3
D2
61617
D10
19
D11
18
7
D4
15
D9
23
D13
24
25
D14
C
A
P
F
I
L
C
O
I
L
13
14
D8
H0080-A