ADTRAN NetVanta 644, Руководство по установке оборудования

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NetVanta 640 Series Hardware Installation Guide Product Specifications
61700144G1-34A Copyright © 2011 ADTRAN, Inc. 17
3. PRODUCT SPECIFICATIONS
The NetVanta 644 products have the following features:
• Supports 4 modular T1/E1 WAN (RJ-48C) interfaces
• Supports 2 auto medium dependent interface/medium dependent interface crossover (MDI/MDIX)
10/100/1000Base-T Ethernet ports (RJ-45)
• Supports up to 120 channels of VoIP
• Stateful inspection firewall
• Quality of service/network address translation/Dynamic Host Configuration Protocol
(QoS/NAT/DHCP) client, server, and relay
• Supports SIP trunks
• Supports Point-to-Point Protocol (PPP), Multilink PPP (MLPPP), Frame Relay, Multilink Frame Relay
(MLFR), and high level data link control (HDLC)
• Three-way conferencing
• Fax and analog modem compatible (V.29, V.32, V.32bis, V.34, V.90, V.92)
• Up to 8 channels of ITU T.38
• Up to 120 channels of G.711 (µ-law)
• Up to 120 channels of G.729
• Up to 120 channels of dual tone multi-frequency (DTMF) detection/generation
• Supports 64 ms echo cancellation
• 200 ms adaptive jitter buffer per channel
• User-friendly GUI and a familiar CLI
• LEDs for system status information
• Chassis dimensions: 1.75-inch H x 17.00-inch W x 7.75-inch D
• AC power: 110 to 240 VAC, 50/60 Hz
• Operating temperature: 32°F (0°C) to +122°F (+50°C)