Printed Documentation
186
I/0:
Input/Output
IP:
Internet Protocol
IS:
In Service
ISDN:
Integrated Services Digital Network
ITU-T:
International Telecommunications Union -Telecommunications
L
LAT:
Local Access Terminal
LED:
Light Emitting Diode
LNA:
Low Noise Amplifier
M
MF:
Multi-Frequency
MODEM:
Modulator/Demodulator
MON:
Monitor
MSTP:
Modem Shelf Termination Panel
MU:
Modem Unit
N
NTU:
Network Termination Unit
NVRAM:
Non Volatile Random Access Memory
O
OOS:
Out of Service
P
PA:
Power Amplifier
PROM:
Programmable Read Only Memory
PSTN:
Public Switched Telephone Network
PSU:
Power Supply Unit
R
RF:
Radio Frequency
RX:
Receive
S
SC:
Shelf Controller
SIU:
Subscriber Interface Unit
SPU:
Signalling Processing Unit
ST:
Subscriber Terminal
Содержание AS4000
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Страница 27: ...Installation 23 Typical 75ohm DDF Layout ...
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Страница 38: ...Printed Documentation 34 AC Rack Labeling The racks should be labelled as shown below Access Concentrator Rack ...
Страница 39: ...Installation 35 Interface Connections This page contains miscellaneous interface and connector details ...
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Страница 42: ...Printed Documentation 38 BNC Terminations to Coax ...
Страница 43: ...Installation 39 Type 43 Terminations to Coax ...
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Страница 69: ...Installation 65 Interface Connections This page contains miscellaneous interface and connector details ...
Страница 71: ...Installation 67 ...
Страница 72: ...Printed Documentation 68 CT Rack Labelling Central Terminal Rack ...
Страница 73: ...Installation 69 BNC Terminations to Coax ...
Страница 74: ...Printed Documentation 70 Type 43 Terminations to Coax ...
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Страница 78: ...Printed Documentation 74 Card Insertion DA Rack Card Insertion Expansion Rack ...
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Страница 112: ...Printed Documentation 108 Combiner Shelf PSU ...
Страница 133: ...Setup and Test 129 ...
Страница 151: ...Setup and Test 147 11 From the AS4020 front panel exit commissioning mode by selecting RF Commissioning Off ...
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