Advantech AMT-70, Инструкция по установке и эксплуатации

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AMT-70/AMT-73/AMT-75 Installation and Operation
DESCRIPTION SPECIFICATION
26
IF Input (Option) 2 x BNC, (F) for 70 MHz / 140 MHz
Impedance
: 50 Ω
Return Loss
:
≥
10 dB
RF Input (See A.2.7 for Input Power versus
Symbol Rate) 2 x F-type, (F) for 950MHz to 2150MHz
Impedance
: 75 Ω
Return Loss
:
≥
9 dB
Input Level:
10Log (Symbol Rate) -100 dBm, +12 dB
Maximum Composite Input Power:
-20dBm
BER Performance and Channel Spacing Refer to
Figure 6 for Viterbi and Viterbi with Reed Solomon FEC.
Refer to Chapter 16 for DVB-S2 Theoretical Performance
Refer to
Chapter 9
for eTPC FEC and Chapter 15.
Typical Eb/No Performance against theory
DVB-S
DVB-DSNG
DVB-S2
QPSK
<0.5dB margin
<0.5dB margin
<0.5dB margin
8PSK
N/A
<0.7dB margin
<0.7dB margin
16QAM/16APSK
N/A
<1dB margin
<1dB margin
LNB Supply Voltage 13V or 18V switchable
450 mA maximum
LNB Signals 22 kHz switching tone available
10 MHz reference output (nominal 0.5V p-p)
DATA & MANAGEMENT INTERFACES
Monitoring & Control (M&C)
Front Panel
: as standard
External M&C Interface
: 10/100Base-T, RS-232, RS-485, SNMP (future
option)
Configuration Parameter Storage
: NVRAM
Data Interfaces RS 530 / V35 (standard)
ASI (optional)
Single HSSI interface (standard)
Triple HSSI interface (optional)
Ethernet 10/100 Base-T (optional)
G.703 (optional)
Nx T1/E1(optional)
Receiver ASI Interface
Encoded Line Rate:
270 MSymbol ± 100 ppm
Min Sensitivity (D21.5 idle pattern):
200 mV
Max Input Voltage:
880 mV p-p
Discrete Connector Return Loss:
≥
15 dB
Max. Distance:
150 m
PHYSICAL SPECIFICATIONS
Physical Dimensions The AMT-70 is a rack-mountable 1RU EIA chassis.
Height
: 4.4 cm (1.75")
Width:
43.2 cm (17") without ears and 48.26cm (19”) with ears
Depth
: 40.6 cm (16")
Weight
: 11 lb (5 kg) maximum
Power AC (DC Optional) AC: Auto sensing 95-265 VAC, 50/60 Hz
DC: 48 VDC (+32 to +72 VDC)
Typical Power Dissipation:
50 W without LNB/BUC power supply
65 W when powering LNB/BDC
150 W when powering BUC and LNB/BDC
Environmental
Operating Temperature
: 0
°
C to 45
°
C (32
°
F to 122
°
F)
Storage Temperature
: -25
o
C to 85
o
C (-13
o
F to 185
o
F)
Relative Humidity
: up to 90% non-condensing, operating; up to 95% non-
condensing, storage
Altitude
: Up to 10,000 ft (3,045 m) operating; to 40,000 ft
(12,180 m) during transit