Cisco Phoenix - HFC Network Monitoring Gateway データシート
Transponder for GainMaker Optoelectronic Nodes
2
Specifications
Agile Transmitter
Specification
Units
Notes
Carrier frequency
5 - 65
MHz
Remotely adjustable
Frequency step size
50
kHz
Modulation type
FSK
-
Deviation ±
67
kHz
Occupied bandwidth
400
kHz
RF output level
24 to 50
dBmV
Remotely adjustable
Output level step size
2.0
dB
Level stability
< ±2.0
dB
Over full temperature and frequency range
Frequency stability
± 7.5
kHz
Over full temperature and frequency range
Spurious and harmonics (5-2000 MHz)
> 55
dBc
Extinction ratio
> 60
dBc
From operational output level
Agile Receiver
Receive carrier frequency
45-174
MHz
Remotely adjustable
Frequency step size
50
kHz
RF input level range
-25 to 20
dBmV
Selectivity at frequency offset of:
200 kHz
400 kHz
800 kHz
200 kHz
400 kHz
800 kHz
+30
+40
+50
+40
+50
dBc
dBc
dBc
dBc
dBc
Specifies the amount an adjacent carrier’s
level can exceed the transponder receive
carrier’s level at the transponder input,
without causing interference
level can exceed the transponder receive
carrier’s level at the transponder input,
without causing interference
Environmental
Operating Temperature
-40
to +85
○
C
Humidity
0 to 90
%
Non Condensing
Monitored Parameters
Device
Units
Parameter
Node Temperature
°
C /
°
F
Transponder Temperature
Station Mode
Thermal or Auto
AGC Mode Detect
Transponder Data Carrier
dBmV
Status Monitor Receiver Level Detect
Optical Receivers (Primary/Redundant)
mW / dBm
Optical Receive Power
Optical Transmitters
mW / dBm
Optical Transmit Power
Tamper Switch
Open or Closed
Housing Tamper Switch
Optical Receiver
Primary or Secondary
Receiver Relay Status
Power Supply
V DC
+ 24 V DC Output Voltage
Power Supply
V DC
+ 15 V DC Output Voltage
Power Supply
V DC
- 6 V DC Output Voltage
AC Supply
V AC
AC Input Voltage
Controllable Parameters
Device
Control Variables
Main Reverse Switch
Normal/-6 dB/Off
Aux 1 Reverse Switch
Normal/-6 dB/Off
Aux 2 Reverse Switch
Normal/-6 dB/Off
Redundant Relay Control
Primary or Secondary
Connectors
Parameter
Description
Purpose
Craft Port Interface
Mini Jack 2 Pole – 3mm
Used to configure the transponder settings
via Handheld Programming Terminal.
Indicators
Indicators
Description
Status
Purpose
LED #1
Heart beat
Green
Transponder health
LED #2
Receive
Green
Data packages are detected
LED #3
Error
Red
A failure in the system has occurred