C-COR Flex Max901e Equipment Manual page 23

1 ghz amplifiers
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1502154 Rev D
Table 2.1 Testpoints, Plug-in Locations, Controls, and Connections
Label
PORT 1
PORT 1
PORT 1 FWD I/P TP
PORT 1 REV O/P TP
STATION FWD PAD
STATION FWD EQ
PAD
EQ
ALC PAD
2
O/P EQ
(Trunk amplifiers only. On
bridger amplifiers this
location is present on the
module cover, but there
is no plug-in location on
the PCB.)
MODULE HOLD DOWN
PORT 4 REV I/P TP
PORT 4 FWD O/P TP
PORT 4
PORT 4
ALC/MAN
ALC SENSITIVITY
PORT 5
DISTRIBUTION
PORT 6
PORT 6
PORT 5/6 FWD O/P TP
PORT 5/6 REV I/P TP
Function
Provides access to the Port 1 centerseizure screw.
Provides access to the Port 1 centerseizure screw (90° rotation).
Directional testpoint for measuring incoming forward RF signals.
Directional testpoint for measuring outbound return RF signals.
Location for installing an NPB series PAD
Location for installing an SEQ series equalizer
Location for installing an NPB series PAD
Location for installing SEQ series equalizer
Location for installing an NPB series PAD
ALC pilot. Changing the value of the ALC PAD lets the ALC
deliver an NTSC channel or a QAM signal that operates at a level
lower than the NTSC channels. (For example: If the QAM
channels are set at – 6 dB from the NTSC channels, lower the
ALC PAD by 6 dB).
Location on trunk amplifiers for installing:
an NPB-000 PAD to optimize standard 1GHz operation with
different tilts on the trunk and bridger ports (T:10dB, B:18dB)
a GEQC-1GHz-050, GEQC-1GHz-070, or GEQC-1GHz-090
equalizer to optimize 1GHz operation with equal tilt on the
trunk and bridger ports (14dB, 15.5dB, and 17dB respectively)
a GEQC-870-080 equalizer to optimize 750/870MHz operation
with equal tilt on the trunk and bridger ports (14.5dB)
One of four screws that secure the RF module in the housing.
Directional testpoint for measuring inbound return RF signals.
Directional testpoint for measuring outbound forward RF signals.
Provides access to the Port 4 centerseizure screw (90° rotation).
Provides access to the Port 4 centerseizure screw.
Selects either automatic level control or fixed gain control.
Adjusts amplifier output when operating in ALC mode.
Provides access to the Port 5 centerseizure screw.
Location for installing a distribution plug-in accessory for Port 5/6
Provides access to the Port 6 centerseizure screw.
Provides access to the Port 6 centerseizure screw (90° rotation).
Directional testpoint for measuring outbound forward RF signals.
Directional testpoint for measuring inbound return RF signals.
1
.
1
.
1
.
1
.
1
to adjust RF level to the
1
Physical Identification
2
.
2-3

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