150-458-100-05
Installation
HRE-458 List 1, List 1B, and List 2
February 23, 2000
15
S
LOT
C
HASSIS
G
ROUND
C
ONNECTIONS
Each of the ten slots in the enclosure has both pins 1 and 10 connected to chassis ground. This allows them to
support DDS, Dual 239 T1, or Single T1 mechanics plugs which using either pins 1 or 10 for their chassis ground
connection.
D
OUBLER
AND
R
EPEATER
I
NSTALLATION
To install the units:
1
Slide the unit into the slot enclosure guides for the desired slot, then push the unit into the enclosure until it
is seated in the slot connector.
2
Push the unit into the card-edge connector until it is entirely within the enclosure guides. The unit should snap
into place indicating that it is properly seated.
3
Reposition the retention bar over the units and tighten the wingnuts on both sides of the bar.
lists the slot pin assignments for the doubler and repeater units supported by the HRE-458.
Table 2.
Slot Pin Assignments
Signal
Side Direction Connector Pin
Tip
1
In
6
Ring
1
In
5
Tip
2
In
12
Ring
2
In
11
Tip
1
Out
4
Ring
1
Out
3
Tip
2
Out
9
Ring
2
Out
8
Ground
--
--
1, 10