IPTC Albatross™ DEX28-GE2P –Quick Installation Guide
12
Technical Specification
Connectors
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Two RJ45 for interface with digital PBX ports or digital telephone sets (DTS)
•
One RJ45 LAN Ethernet 10/100 Base-T
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One RJ45 Console RS-232 (up to 112.5 kbps)
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One USB 2.0 Full Speed Type B
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48VDC Power Supply Input (3W typical power consumption)
Voice Protocols
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Selection of voice CODEC:
o
G.729AB (<8kbps, with VAD/CNG),and G.729A (8kbps)
o
G.726 (40kbps, 32kbps, 24kbps, or 16kbps)
o
G.711 (A-Law or u-Law, 64kbps PCM)
•
G.168 compliant multiple-reflections Line Echo Canceller (LEC) capable canceling up to 128ms echo tail,
with configurable Non-Linear Processor (NLP), Noise Floor estimator (NFE), and Fax/Modem Tone
Detector (FMTD).
•
Adaptive jitter buffer based on statistical estimation of network delays
Network Protocols
•
Compressed header RTP and normal
RTP for voice transmission
•
D4oIP D-channel Protocol for Ericsson ELU 2B+D
•
IP packets are tagged for network traffic prioritization using IP Precedence or Diffserv
•
IEEE 802.1q VLAN
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Management: SSH, HTTP, SNMP, Telnet, FTP.
•
Optional: IPSec for VPN
System Software
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Host: Linux Kernel v2.6.x
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DSP: Real Time DSP/BIOS
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Full IPv4 and IPv6 protocol stacks with QoS and VLAN
•
Management and Utilities – SSH, RS-232 Console Interface, HTTP
and optionally (disabled by default) Telnet, FTP and SNMP.
•
NFS and SMB for file sharing
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Software upgradeable via LAN over HTTP
Hardware
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ARM920T CPU 200 MIPS
•
64MB SDRAM
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8MB NOR Flash, 2MB DataFlash, 64MB NAND Flash
•
1x Texas Instruments TMS320VC5410A DSP 160MIPS
•
Typical systems load with 2 channels active, 128ms LEC and G.729AB:
25 MB Host Memory, 20% CPU Host, and 35 MIPS DSP.
Power Supply
•
48VDC power supply input, 32-59VDC range
•
Power input from ELU28 (switch side only), external AC/DC adapter (included) or PoE breakout module
(optional)
•
External desktop power supply wide universal AC input to 48VDC
•
Maximum power consumption 3.5W, typical 3W
