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RAD
MAXcess-300 Branch
Bandwidth Manager |
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- Integrating data,
voice, fax and LAN traffic, MAXcess-300 supports six
data channels and four voice/fax or one ISDN-S0
channels over Frame Relay or leased line networks.
LAN interconnectivity is provided via an external
bridge or router.
- MAXcess-300 also
operates as a compact multiprotocol FRAD, providing
voice and data access to public or private Frame
Relay networks. The FRAD capability is enhanced by
an integrated CSU/DSU, which enables connection to
the Frame Relay line through the DDS network.
- Typical applications
for MAXcess-300 include:
- Point-to-point
inter-office communication over leased lines,
Frame Relay or ISDN
- Star configuration
applications opposite a MAXcess-3000 hub at the
central site
- FRAD applications
for multiprotocol access to public or private
Frame Relay networks.
- MAXcess-300 network
link interfaces are: V.35, V.24, V.36, RS-530 or
X.21, with data rates up to 2 Mbps. In addition,
either G.703 64/128 kbps, DDS-CSU/DSU or basic rate
ISDN "S" or "U" interfaces are
supported.
- A second network link,
which can also be used as a high speed data channel
of up to 2 Mbps, supports V.24, V.35, V.36 or X.21
interfaces.
- Four data channels are
available. Three of the data channels support
V.24/RS-232 up to 128 kbps, while the fourth channel
can be V.24/RS-232, V.35, X.21, V.36/RS-530 up to 2
Mbps, or Ethernet interface (10BaseT). See Ordering.
- Protocols supported
are Frame Relay, Frame Relay+, HDLC, transparent,
async or IP/IPX. Other protocols such as SDLC and
X.25 can be encapsulated over Frame Relay.
- The solid firewall
security feature protects an office LAN against
undesired entry from the Internet. The single IP
address translation feature allows a small or medium
office LAN to connect to the Internet, using a
single, dynamically or statistically allocated IP
address from the central access router. Connection
on Demand (COD) allows the LAN to be connected to,
or disconnected from the Internet, over ISDN,
according to timers, traffic or management.
- High quality voice
compression at rates of 5.1, 6.4 or 8.3 kbps,
together with silence suppression, ensure maximum
utilization of the bandwidth. In addition, priority
mechanisms together with segmentation of long data
frames, enable high quality voice transmission over
leased lines or Frame Relay networks.
- Voice channel
interfaces include:
- FXS - direct
telephone
- FXO - PABX
extension line
- E&M - PABX tie
line
(FXS supports DC feed and ringer voltage)
- The fax support
includes automatic fall-back to lower rates, in case
of poor line quality.
- The network main links
automatically detect and synchronize to the incoming
clock rate, while the I/O data channels support most
applications by enabling three clock modes: DCE,
external DCE or DTE.
- An integrated CSU/DSU
unit is available as an option and supports data
rates and services offered by the AT&T standard
Digital Data Services (DDS). The CSU/DSU interface
connects the user directly to a standard DDS service
at a data rate of 56 kbps. The DDS link is clocked
from the recovered clock (loopback timing).
Transmission range for the DDS link is up to 10.5 km
(6.5 miles).
- The RADview-PC SNMP
Windows-based application provides a user friendly
GUI that facilitates setup and monitoring of any
MAXcess network whether a small point-to-point
application or a large corporate network. Remote
management is provided by a dedicated DLCI, or via
Telnet or modems connected to the control port.
- Setup, control and
monitoring can be performed locally using the front
panel LCD, an ASCII terminal or the Windows based
RADView-PC station.
- MAXcess-300 is a
compact 19" (1U) high unit, suitable for
desktop or rack installation.
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