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IP Tube DLE1IP Tube DLT1
IP Tube DLE1-Ecan
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IP Tube DLE1-Ecan

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E1 Voice Over IP
The IP Tube DLE1-Ecan encapsulates full and fractional E1 circuits into IP packets. E1 Over IP connections provide for the interconnection of PBXs and Telecom Switches via LANs, WANs, MANs, Satellite and Wireless Ethernet.

Echo Canceller
The IP•Tube DLE1-Ecan has an integrated E1 Echo Canceller that cancels up to 64 milliseconds of Far End echo. The echo canceller meets ITU-T G.164, G.165 and ITU-T G.168 requirements for echo cancellation.

Transparent Interconnect

The IP•Tube DLE1-Ecan’s transparent operation maintains the proprietary signaling required to support PBX features such as call conferences, call forwarding, caller ID and SS7.

Signaling Support
PRI ISDN, SS7, and Proprietary out of band are supported. Echo cancellation is automatically disabled during FAX and Modem communications. Transparent support for Modem or Fax. Voice quality is not compromised. Legacy phone equipment investment is preserved.


VPN Network Management

Interconnecting the IP•Tube DLE1-Ecan through a Virtual Private Network with sufficient real time committed information rate ensures that the required quality of service is provisioned. The second Ethernet interface provides a management port. Each LAN interface features independent IP network configurations.



Lossless Data Compression Option -C

The IP Tube DLE1-Ecan-C continously detects idle and redundant data within each E1 Voice circuit resulting in as much as a 40 to 1 bandwidth savings. TDM over IP WAN bandwidth is not consumed by silent or redundant circuits.



Protector Option -PRO:

The protector option utilizes the second LAN interface as a redundant path for the interconnection of the IP encapsulated E1 Circuit. THe extension of the E1 circuit has a fault tolerant link that is configured to always on, or with switch over criteria.

Protector Option -EnPRO 

The enchanced version has configuration parameters that enable a secondary packet path with high relative delay to primary path be synchronized. The packet sequence delay synchronzation ensures concurrent redundancy with a high degree of error tolerance. Error free operation is accomplished when primary or secondary Packet is not recieved and a redundant duplicate packet is available. The IPTube also supports the transmission of multiple duplicate packets to provide support 



The E1 switch option enables the E1 Port 1 interfaces to be manually switched between a E1 circuit connected to E1 Port 2 or to E1 Over IP packets connected with the remote IPTube.

  • Remote Control of E1 Connection to Telco or E1overIP
  • Installation performed by a single Technician
  • Quick reversion to Telco during debug of E1overIP



E1 Link Protector OPTION -LPT

The T1 Link Protector provides an automatic back up for T1 circuits with T1 Over IP connecting via Wireless Ethernet, Gigabit Ethernet, IP Satellite Services, xDSL,....

  • Automatic Protection Switch for T1 Circuit
  • Deliver on Stringent Service Level Agreements
  • Back Up for Mission Critical Connectivity
  • Disaster Recovery for Public Safety Networks



DSO Timeslot Multiplexor OPTION -MUX

The IP Tube DLE1-ECAN-MUX maps DSOs from a central site to as many as 31 remote locations via an IP/Ethernet connection. Get maximum use of expensive DS1 interfaces on PBX, Channel equipment and datacom gear. Also provides Virtual DACS Over IP capability. Mesh DSOs one-to-many or many-to-many.




RateLimiter OPTION -RLM
The IP Tube DLE1-ECAN-RLM Rate Limiter option limits the WAN bandwidth utilized by the LAN1 to LAN2 bridge. Rate Limiting the traffic enables the reservation of the WAN bandwidth for time the sensitive E1 Over IP real time connections. Great for Wireless WAN E1 applications. Rate Governing is only applied in the direction to the WAN to minimize latency. The data rate governor utilizes Time Division Multiplexing based clocking to provide for Nx64, NxE1 and NxFT3 bandwidth regulation that is configured from 64 kilobits up to 45Mbits.
Alternator Load Balancing OPTION -ALT 
The IP•Tube DLE1-Ecan-ALT Alternator option alternatively sends the IP packetized E1 frames on LAN 1 and LAN 2. The Alternator option enables fractional and full E1 circuits to be split over two IP WAN connections such as xDSL. The Lossless Data Compression option can be combined with the Alternator option to minimize the bandwidth required from the alternative paths.

Pay-As-You-Grow Field Upgrades

The IP Tube DLE1 Ecan are designed for Pay-As-You-Go growth from 1 E1 to 2 E1s. Customers can elect to economize initial installations, buy purchasing a single active E1 port and enable the additional E1 Port via a software-based license key. Field Upgrade benefits are extended to our Industry-Best Loss less Data Compression. Just as E1 ports are field upgrade able, so is Loss less Data Compression. At any time, each E1 port on the IP-Tube DLE1-Ecan can be upgraded to Loss less Data Compression with a simple software-based license key installation. If you determine that your IP•Tube DLE1-Ecan is best deployed with Loss less Data Compression, your still in business with the per port field upgrade!

Rack Mount Kit 

The IP-Tube family is ready for central office or data center environments with 19" and 23" Rack Mount Kits. 

Technicial Specifications: 

LAN Network Interface
  • Two 10/100BaseT Full/Half Ethernet
  • Auto negotiation or Configured Speed and Duplex
LAN Network Protocols Supported
  • Assured Delivery Protocol
  • DHCP • DNS Address Discovery • Dynamic DNS
Echo Canceller
  • Voiceband Echo Cancelling according to ITU G.165 and G.168
  • u- and A-Law coding according to ITU G.711
  • 32 channels with end echo path delay of less than 63.75 ms
E1/Fractional E1 Specifications
  • One or two Port 120/75 ohm Models • Connects directly to E1 or DS1
  • G.704 framed CRC4 or FAS and G.703 Unframed
  • Coding - HDB3 or AMI
  • Supports DS0 assignments from 1 to 31
  • Not Contiguous Configuration x-y,z Supported
E1 Over IP Protocol
  • TDM Over IP
  • Circuit Extension Services Over IP - CESOIP
  • Frames Per Packet Configured 8 to 40
  • Low Latency Mode: 1 millisecond 8 E1 frames
  • Max Payload Mode: 5 millisecond 40 E1 frames
  • Comprehensive Clocking: Internal, Network, Adaptive
TFTP Online Upgrade Capable (FLASH ROMs)
  • IPTube is fully operational during upgrade
Lossless Data Compression Option
  • Detects idle and redundant data within each DS0
  • Configured Silence Detection Range
  • Interconnect bandwidth is not consumed by silent or redundant data
  • Low Latency 8 to 1 Compression settings from 8 to 1 to 56 to 1
Quality of Service Support
  • IP Type of Service (TOS) CLI configured • IANA Registered UDP Port 3175
  • 802.1p/q mac level prioritization • Duplicate Packet Transmission
  • CE • Safety -IEC60950 • EMC - CFR 47 Part 15 Sub Part B:2002, EN55022:1994+A1&A2, EN55024, ICES-003 1997, CISPR 22 Level A
  • Telecom TBR12, TBR13
  • Telnet support with Edit and Paste Template Files
  • Console Port for Out of Band Management
  • SNMP support (MIB I, MIB II) with configured traps
  • Remote config., monitoring, & reset
  • Telco Diagnostics: Local Loop, Remote Loop
Rear Panel/Power
  • 10-30 VDC, 1.0A. • Screw Locking Connector
  • Universal Adapter 100/240 VAC 50/60 Hz
  • Optional -48V 0.25 Amp • Hot Standby
  • Dimensions: 9" (L) x 7.3” (W) x 1.50” (H)


How to order: 

Part No Description
IP•Tube DLE1-Ecan, xE1 (x=1 - 2 Ports) Base Model Specify # of E1 Ports Enabled
223-2048-CxIP•Tube DLE1-Ecan with xE1 Compression
w/Lossless Data Compression Option
Base Options  Specify as suffix
ROHS ROHS compliant materials and processes Restriction of Hazardous Substances no PB
MUX E1 Multiplexor and DACS Groom 2 to 24 remote locations Over IP
SWT E1 Switch Option Provides for Manual Switching of E1-E1OverIP
LPTLink Protector Option Automatic E1 Circuit Backup with E1OverIP
PRO Protector Option Load Balancing Inverse Mux
ALT Alternator Load Balancing OptionFault Tolerant Network Interconnect
RLM Rate Limiter Option Load Balancing Inverse Mux
Power Options  Specify as suffix
DCMOD Power Module 10/30 VDC ADAPTERShips with Universal Adapter 100/240 50/60
WIREDC Power Supply Module 10/30 VDC Screw Term  
N48VDC Power Supply Module Negative 48 Volt DC
Isolated Negative 48 Volt Power
Rack Mount Option  Specify as suffix 
RACKMNT 19/23" Wide Rack Mount Brackets Enclosure Nut Serts Installed