Installation and Operation Manual Chapter 1 Introduction
Vmux-210 Ver. 1.1 Technical Specifications 1-17
• 31 – size of the compressed G.732 packet plus AAL2 header and voice
payload
• 0.4 – 60% of silence
• 8 – conversion from bytes to bits
• 1000 in the denominator – conversion from bits to kilobits
• 0.00853 – connectivity packets rate (64 bytes per minute) converted to kbps.
A Vmux Bandwidth Calculator tool is included on the Technical Documentation CD.
1.4 Technical Specifications
Ethernet Links
Number of Ports
2 (NET and USER)
Standards
IEEE 802.3, 802.3u, Ethernet 802.1D&Q
Data Rate
10 or 100 Mbps, half duplex or full duplex, autonegotiation
support
Statistics
According to RFC 3638 or RFC 3635:
• Received frames – Total Frames, good Frames,
Broadcast Frames, Multicast Frames, Undersize,
Oversize, CRC, Fragments, Jabber, Filtered, Discarded,
Total Bytes, Bytes
• Transmitted frames – Correct Frames, Broadcast
Frames, Multicast Frames, Collision, Bytes
Range
Up to 100m (328 ft) over UTP Cat.5 cable
Connectors
RJ-45 per port
Serial Link
Function
Main Link
Interface
• RS-530
• V.35 (requires adapter cable)
• X.21 (requires adapter cable)
Data Rate
n x 64 kbps, for rates from 64 to 2048 kbps
Timing
• DCE
• DTE (requires adapter/cross cable)
Connector
DB-25, female
Note
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