Summary Of Specifications
CDM-550T Satellite Modem
14–6
Rev.
1.3
Typical Coarse AGC voltage Characteristic
Coarse AGC Voltage - Pin 2 of rear panel alarms connector (DB 15 male)
In
pu
t
S
ign
a
l
p
o
w
e
r
in
s
e
lec
te
d
IF
fi
lt
e
r
b
a
n
d
wi
d
th
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
0
1
2
3
4
5
6
7
8
9
10
11
For Symbol Rates >300 ksym/sec IF BW = 3.5 MHz
For Symbol Rates <33 ksym/sec IF BW = 110 kHz
For Symbol Rates > 33 k and < 300 ksym/sec IF BW = 700 kHz
Composite input level
Alarm Threshold
For input levels < -40 dBm AGC
functions are performed in the
digital demod
Summary of Contents for CDM-550T
Page 2: ......
Page 22: ...Functional Description CDM 550T Satellite Modem 3 2 Rev 1 3 This page is intentionally blank...
Page 30: ...Connector Pinouts CDM 550T Satellite Modem 5 4 Rev 1 3 This page is intentionally blank...
Page 33: ...CDM 550T Satellite Modem Front Panel Operation Rev 1 3 6 3 Figure 6 2 Principle Menu Trees...
Page 59: ...CDM 550T Satellite Modem Front Panel Operation Rev 1 3 6 29 Figure 6 2 Loopback Modes...
Page 96: ...Clocking CDM 550T Satellite Modem 10 4 Rev 1 3 Figure 10 1 Tx Clock Modes...
Page 97: ...CDM 550T Satellite Modem Clocking Rev 1 3 10 5 Figure 10 2 RX Clock Modes...
Page 98: ...Clocking CDM 550T Satellite Modem 10 6 Rev 1 3 This page has been intentionally left blank...
Page 108: ...Flash Upgrading CDM 550T Satellite Modem 13 2 Rev 1 3 This page is intentionally blank...
Page 138: ...Cable Drawings CDM 550T Satellite Modem A 2 Rev 1 3...
Page 139: ...CDM 550T Satellite Modem Cable Drawings Rev 1 3 A 3...
Page 140: ...Cable Drawings CDM 550T Satellite Modem A 4 Rev 1 3...
Page 144: ...Eb No Measurement CDM 550T Satellite Modem B 4 Rev 1 3 This page is intentionally left blank...