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Vmux-2100 Installation and Operation Manual Chapter 1 Introduction
Technical Specifications 1-11
1.4 Technical Specifications
Ethernet
Main Link
Standards
IEEE 802.3, 802.3u, Ethernet 802.1p/q
Data Rate
10 or 100 Mbps, half duplex or full duplex,
autonegotiation support
Statistics
According to RFC 1643 or RFC 2665:
• Received frames – Correct Frames, Correct Octets,
Alignment Errors, FCS Errors
• Transmitted frames – Correct Frames, Correct
Octets, Single Collision, Multiple Collision, Deferred
Transmission, Late Collision, Carrier Sense Error
Range
Copper:
• Up to 100m (328 feet) over UTP Cat.5 cable
Fiber optic:
• 20 km (12 miles) over single-mode cable, 1310 nm
• 2 km (1.2 mile) over multimode cable, 1310 nm
Connector
Copper: RJ-45, 8-pin
Fiber optic: LC
E1 Main Link
Number of Links
Two (one redundant)
Data Rate
2.048 Mbps
Standards
ITU-T Rec. G.703, G.704, G.706, G.732, G.823
Framing
G.732S and G.732N with or without CRC-4, in
compliance with ITU-T Rec. G.703, G.704, G.732
requirements
Line Code
HDB3
Receive Signal Level
0 to -43 dB with LTU
0 to -12 dB without LTU
Transmit Signal Level
Balanced: ±3V (±10%)
Unbalanced: ±2.37V (±10%)
Jitter Performance
Per ITU-T G.823
Timing
Internal or loopback
Line Impedance
120Ω, balanced
75Ω, unbalanced
Connector
Balanced: RJ-45, 8-pin
Unbalanced: via CBL-RJ45/2BNC interface adapter