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IP Tube DLT1IP Tube E2: LAN to LAN IP Bridge
IP Tube DLT1-Ecan

IP Tube DLT1-Ecan

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T1 Voice and Data Over IP
The IP Tube DLT1-Ecan encapsulates full and fractional T1 circuits into IP packets. T1 Over IP connections provide for the interconnection of PBXs and Telecom Switches via LANs, WANs, MANs, Satellite and Wireless Ethernet.

The IP Tube DLT1-Ecan ships with two T1 interfaces with either 1 or 2 active and two 10/100 BaseT Ethernet Interfaces. The inactive T1 Port can be activated via a software-based license key for a pay as you grow option.

Echo Canceller
The IP Tube DLT1-Ecan has an integrated T1 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 DLT1-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, ESF, D4, SLC-96, Proprietary out of band, and robbed bit signaling is 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.


IP Tube DLT1-Ecan Standard Features:

Assured Delivery Protocol
In order to assure that circuits are extended over connections with fault tolerance the IP•Tube DLE1-Ecan has as a standard capability an Assured Delivery Protocol that supports high performance full duplex real time data. The protocol has packet out of sequence detection and re-sequencing, duplicate skipping, and real time lost packet retransmission with configured delay.

Dual LAN Interfaces

All IP Tube DLT1-Ecan models ship with dual 10/100BasT Ethernet LAN ports. 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 connevtions over 2 opposite ADSL links
  • Alternator Option for load balanced SDSL interconnects
  • Protector Option for Redundant Packet Path connections with Constant or Switch Over Criteria

VPN Network Management 

Interconnecting the IP•Tube DLT1-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.


IP Tube DLT1-Ecan Options:

Lossless Data Compression OPTION-C

The IP Tube DLT-1-Ecan continuously detects idle and redundant data within each T1 Voice circuit resulting in as much as a 56 to 1 bandwidth savings. TDM over IP WAN bandwidth is not consumed by silent or redundant circuits.

Note: Compression only supported with IPTube•DLT1-Ecan-C models.


T1 Switch OPTION - SWT

The T1 switch option enables the T1 Port 1 interface to be manually switched between a T1 circuit connected to T1 Port 2 or to T1 Over IP packets connected with the remote IPTube.

  •  Remote Control of T1 Connection to Telco or T1overIP
  • Installation performed by a single Technician
  • Quick reversion to Telco during debug of T1overIP

T1 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


Alternator Load Balancing OPTION -ALT 
The IP Tube DLT1-Ecan-ALT Alternator option alternatively sends the IP packertized T1 frames on LAN 1 and LAN 2. The Alternator option enbables fractional and full T1 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 alternator paths.
Full T1 Connection Across Two ADSL Lines
The IP Tube DLT1's two Ethernet  interfaces are able to utilize two ADSL Ethernet Modems, that have apposite high speed direction, to transport a T1's symmetrical bandwidth.
RateLimiter OPTION -RLM
The IP Tube DLT1-ECAN-RLM Rate Limiter option limit the WAN bandwidth utilized by the LAN1 to LAN2 bridge. Rate Limiting the traffic enables the resevation of the WAN bandwidth for time the sensitive t1 Over IP real time connections. Great for Wireless WAN T1 applications. Rate Governing is only applied in the direction ro 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 interface as a redundant path for the interconnection of the IP encapsulated T1 Circuit. THe extention of the T1 circuit has a fault tolerant link that is configured to always on, or with switch over criteria.
Protector OPTION -EnPRO
THe Enhanced version has configuratioin paramaters 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 recieved and a redundant duplicate packet is available. THe IPTube also supports the transmission of multiple duplicate packets to support Mission Critical Circuit extension with redundan y that is only limited by the bandwudth provisioned.
Pay-As-You-Grow Field Upgrades

The IP•Tube DLT1 Ecan are designed for Pay-As-You-Go growth from 1 T1 to 2 T1s. Customers can elect to economize initial installations, buy purchasing a single active T1 port and enable the additional T1 Port via a software-based license key. Field Upgrade benefits are extended to our Industry-Best Loss less Data Compression. Just as T1 ports are field upgrade able, so is Loss less Data Compression. At any time, each T1 port on the IP-Tube DLT1-Ecan can be upgraded to Loss less Data Compression with a simple software-based license key installation. If you determine that your IP•Tube DLT1-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
  • 24 channels with end echo path delay of less than 63.75 ms
T1/Fractional T1 Specifications: 
  •  One or two Port Models • Connects directly to T1 or DS1
  • Framing - ESF or D4 • Coding - B8ZS or AMI
  • Supports DS0 assignments from 1 to 24
  • Not Contiguous Configuration x-y,z Supported
T1 Over IP Protocol: 
  • TDM Over IP
  • Circuit Extension Services Over IP - CESOIP
  • Frames Per Packet Configured 8 to 56
  • Low Latency Mode: 1 millisecond 8 T1 frames
  • Max Payload Mode: 7 millisecond 56 T1 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 • Dupllicate Packet Tranmissions
  • 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 Part 68
  • 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 Notes 
221-1544-0x IP•Tube DLT1-Ecan, xT1 (x=1 - 2 Ports) Base Model Specify # of T1 Ports Enabled
223-1544-Cx IP•Tube DLT1-Ecan with xT1 Compression w/Lossless Data Compression Option 
Base Options  Specify as suffix
ROHS ROHS compliant materials and processes Restriction of Hazardous Substances no PB 
MUX T1 Multiplexor and DACS  Groom 2 to 24 remote locations Over IP
SWT T1 Switch Option Provides for Manual Switching of T1-T1OverIP 
LPT Link Protector Option Automatic T1 Circuit Backup with T1OverIP 
PRO Protector Option Fault Tolerant Network Interconnect 
ALT Alternator Load Balancing Option Load Balancing Inverse Mux 
RLM Rate Limiter Option Reserve T1 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 
N48DC Power Supply Module Negative 48 Volt DCIsolated Negative 48 Volt Power 
Rack Mount Option  Specify as suffix 
RACKMNT 19/23" Wide Rack Mount Brackets Enclosure Nut Serts Installed