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IP Express RouterIP Tube DLE1-Ecan
IP Tube DLE1
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IP Tube DLE1

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E1 Voice and Data over IP:
The IP Tube DLE1 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.

The IP Tube DLE1 ships with two E1 interfaces with either 1 or 2 active and two 10/100 BaseT Ethernet Interfaces. The E1 interfaces have configurations that for provide independent protocol, compression, packet sizing, buffering, clocking, framing, coding and channel settings. The inactive E1 Port can be activated via a software-based license key for a pay as you grow option.

Transparent Interconnect
The IP•Tube DLE1's transparent operation maintains the proprietary signaling required to support PBX features such as call conferences, call forwarding, caller ID and SS7. Legacy phone equipment investment is preserved.

Signaling Support
PRI ISDN, SS7, and Proprietary out of band are supported. Transparent support for Data, Modem or Fax. Voice quality is not compromised.

IP Tube DLE1 Standard Features

 Assured Delivery Protocol
In order to assure high quality communications over links with intermittent or noisy performance, such as Wireless or Broadband over Power Line, the IP•Tube DLE1 employs Engage’s robust Assured Delivery Protocol with the following benefits:

  • Packet out of sequence detection and re-sequencing
  • Duplicate skipping,
  • Lost packet retransmission with configured delay.

Dual LAN interfaces:

All IP Tube DLE1 models ship with dual 10/100BaseT Ethernet LAN prts. The dual Ethernet interfaces provide for:

  • Management interfaces on LAN port 2 when LAN port 1 is connected to a VPN tunnel
  • The LAN ports can be configured to support connections over 2 opposite ADSL links
  •  Alternator Option for load balancing SDSL interconnects
  • Protector Option for Redundant Packet Path connections with Constant or Switch Over Criteria

Full E1 Connection Across Two ADSL Lines
The IP Tube DLE1’s two Ethernet interfaces are able utilize two ADSL Ethernet Modems, that have opposite high speed direction, to transport an E1’s symmetrical bandwidth.

Virtual Private Network Support
Interconnecting the IP•Tube DLE1 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.
 IP Tube DLE1 Options:
DSO Timeslots Multiplexor OPTION -MUX
The IP Tube DLE1-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 DS0s one-to-many or many-to-many.

 E1 Switch OPTION -SWT:
The E1 switch option enables the E1 Port 1 interface 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 E1 Link Protector provides an automatic back up for E1 circuits with E1 Over IP connecting via Wireless Ethernet, Gigabit Ethernet, IP Satellite Services, xDSL,....
  • Automatic Protection Switch for E1 Circuit
  • Deliver on Stringent Service Level Agreements
  •  Back Up for Mission Critical Connectivity
  •  Disaster Recovery for Public Safety Network
Alternator Load Balancing OPTION -ALT:
The IP TUbe DLE1-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 altenative paths.
 Rate Limiter OPTION -RLM:
The IP Tube DLE1-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.


Protector OPTION -PRO
The protector option utilizes the second LAN interfaces 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 switch over criteria.
Protector OPTION -EnPRO
The Enhanced version has configuration parameters that enable a secondary packet path with high relative delay to primary path be synchronized. The packet sequence delay synchronization ensures concurrent redundancy with a high degree of error tolerance. Error free operation is accomplished when a primary or secondary Packet is not received and a redundant duplicate packet is available. The IPTube also supports the transmission of multiple duplicate packets to support Mission Critical Circuit extension with redundancy that is only limited by the bandwidth provisioned.


 Pay-As-You-Grow Field Upgrades:
The IP Tube DLE1s are designed for Pay-As-You-Go growth from 1 E1 to 2 E1s. Customers can elect to economize intial installations, buy purchasing a single active E1 port and enable the additional E1 Port via a software-based license key. Field Upgrade benifits are extended to our Industry-Best Loss less Data Compression. Just as E1 ports are field upgrade able, so is Loss Less Data Compression with a simple software-based license key installation. If you determine that your IP Tube DLE1 is best deployed with Loss Less Data Compression, you're still in business with the per port field upgrade!
Rack Mount Kit:
The IP-Tube family is ready for your most demanding central office or data center environments. With the Rack Mount Kit, IP Tube products are easily installed in 19" and 23" racks. Easy access to both front and rear sides facilitates technician maintenance procedures
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
1 to 4 Duplicate Packet Transmission
  • Resilient performance through a lossy interconnect.
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
  • 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, xE1 (x=1 - 2 Ports)
Base Model Specify # of E1 Ports Enabled
222-2048-Cx IP•Tube DLE1 with xE1 Compression w/Lossless Data Compression Option
Base Options  Specify as suffix
ROHS ROHS compliant materials and processesRestriction of Hazardous Substances no PB
MUX E1 Multiplexor and DACSGroom 2 to 24 remote locations Over IP
SWT  E1 Switch OptionProvides for Manual Switching of E1-E1OverIP 
LPT Link Protector Option Automatic E1 Circuit Backup with E1OverIP 
PRO Protector OptionFault Tolerant Network Interconnect
ALT Alternator Load Balancing OptionLoad Balancing Inverse Mux
RLM Rate Limiter Option Reserve E1 Over IP Bandwidth
Power Options  Specify as suffix
DCMOD Power Module 10/30 VDC ADAPTER Ships with Universal Adapter 100/240 50/60
WIREDC Power Supply Module 10/30 VDC Screw Term  
N48/DC Power Supply Module Negative 48 Volt DC Isolated Negative 48 Volt Power
Rack Mount Options  Specify as suffix
RACKMNT 19/23" Wide Rack Mount BracketsEnclosure Nut Serts Installed