User's Manual

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System Configuration Introduction – p. 20
1.5 Modem Capabilities Matrix
Modem
Model
Modem
Hardware
Connectivity
Additional
WMTS
Cards
required
Description
V280
V280
IP
none
The basic DOCSIS modem
V311
V280
plus
E1/T1
card
IP, E1/T1
E1/T1
interface
card and
Master4 card
A V280 modem with one
E1/T1 interface (one RJ48
connector on the front which
can handle one E1 or T1
line)
V312
V280
plus
E1/T1
card
IP, E1/T1
E1/T1
interface
card and
Master4 card
A V280 modem with two
E1/T1 interfaces (two RJ48
connectors on the front
which can handle one E1 or
T1 line each)
V313
V280
plus
internal
PSTN
card
IP, PSTN
E1/T1
interface
card and
Master4
card with
additional
V5.2 AN
stack
A V280 modem with a built-
in PSTN interface (four
RJ45 connectors each of
which attaches to four RJ11
POTS connectors)
V284
V280
plus
internal
UHF
radio
IP
none
A V280 modem with an
internal UHF radio for
communication in the
700MHz range – special RF
configuration is necessary.
Please see the UHF System
Installation Guide.