Specifications

3
95
RAD Data Communications 2009 Catalog
M U L T I P L E X E R S
VFS-60/48/30/24
Voice compression module with up to 2 x E1 or
2 x T1 capacity, using G.723.1 (6.3 kbps per
channel) or G.729.A (8.0 kbps per channel)
compression methods, with modem/fax relay,
transparent timeslot support, voice activity
detection, silence suppression, and comfort noise
generation. Voice compression server functionality
enables compression of TDM traffic from the
Megaplex backplane and compression of analog
channels from voice modules.
Voice/fax modules
VC-4, VC-8, VC-16
Four, eight or 16 PCM voice channels with
optional E&M, FXS and FXO interfaces
VC-4A, VC-8A
Four or eight analog voice channels using PCM
(64 kbps) encoding or ADPCM (24 or 32 kbps)
encoding, with E&M, FXS or FXO interface
options
VC-16A
Sixteen toll-quality, PCM/ADPCM (32/64 kbps)
non-signaling voice compression channels,
enabling two voice channels to be placed on
each 64 kbps timeslot
VC-4/E&M/OMNI
A special Omnibus E&M interface module
provides four toll-quality voice channels to
support applications where a master site needs
to communicate with multiple remote stations
simultaneously (such as to broadcast an
important message).
VC-6/LB, VC-6/4LB
Four or six voice channels for operation with
special local battery (LB) telephone sets (e.g.,
military field telephones)
E1/T1
interface
V.24/RS-232
Low speed data
High speed data
Voice/fax
ISDN
analog
Input/Output
Megaplex Core
Main Link
Services
Megaplex-2100
E1/T1
Fiber
Copper
xDSL
SHDSL
Terminal
Terminal emulation
Telnet
RADview-PC
RADview-HPOV
Node
management
Network
management
Fax
Handset
ASMi-31
T1/E1
mux
PBX
SDM
mux
Stat
Mux
Modem
Terminal
IDSL
SHDSL
Digital
services
Computer
Workstation
10/100BaseT
E1/T1
PBX
SDH/
SONET
E1/T1
Satellite/
Microwave/
Radio
Leased Line
IP
Inband
Management
Cross Connect
SNMP
Alarms and
Diagnostics
Redundancy
Drop-and-Insert
and Bypass
Time Division
Mux Technology
ASMi-52