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Patton Electronics 2707
Lowest Cost G.703 Network Termination Unit (NTU)

Patton Model 2707
Lowest Cost G.703 Network Termination Unit (NTU)
This device terminates G.703 lines and provides serial and 10Base-T interface conversion
 
Model 2707
 
  Features & Benefits
  • Terminates E1 services
  • Available in low-cost standalone or rack-mountable (2707RC) versions
  • 2 Mbps data and line rate
  • X.21, V.35, and Ethernet bridge options
  • Switch-selectable AMI or HDB3 line encoding options
  • Switch-selectable DTE/DCE modes for X.21 version
  • 75-ohm dual coax and 120-ohm twisted-pair G.703 connections
  • Local loopback diagnostics
  • Internal, external and G.703 network timing
  • CE approved
  • 120/230 VAC & 48 VDC power options
  • Conforms to ONP requirements CTR 12 for connection to international telecom networks
  • 1.6 km distance
 
Overview  


Today’s customers require low-cost network solutions that deliver high speed connections to the Internet and Corporate Intranets while supporting videoconferencing and many other wide-area services. The NetLink Model 2707 E1 NTUs satisfies those needs.

The NTUs terminate G.703 and connect to the customer’s router, FRAD, CODEC, and switches with a V.35, X.21, or 10Base-T Ethernet interface.

The Model 2707/D (X.21 version) provides DTE/DCE functionality in the same standalone or rack-mount package. This added versatility supports operation in X.21 DTE applications (see diagram below) where an NTU is needed to terminate G.703 and provide X.21/V.11 data to a multiplexer.



Our Ethernet version, the Model 2707/I offers 10Base-T bridging and supports PPP and 802.1q VLAN tagging, passing vLAN-tagged packets of up to 1522 bytes. These features enable customers to extend a router's serial interface and connect to a remote 10Base-T Ethernet LAN (see diagram below). The 2707/I uses MAC learning and forwarding to provide seamless LAN-to-LAN connectivity.


 


 
Ordering Information


2707 /C/ 230: G.703 NTU/ Converter; V.35 (M34F) Interface; 230VAC Power Supply
2707 /D/230: G.703 NTU/ Converter; X.21/V.11 (DB-15F) Interface; 230VAC Power Supply
2707 /C/120: G.703 NTU/ Converter; V.35 (M34F) Interface; 120VAC Power Supply
2707 /D/120: G.703 NTU/ Converter; X.21/V.11 (DB-15F) Interface; 120VAC Power Supply
2707 /C/48: G.703 NTU/ Converter; V.35 (M34F) Interface; -48VDC Power Supply
2707/D/48: G.703 NTU/ Converter; X.21/V.11 (DB-15F) Interface; -48VDC Power Supply
2707RC/A/I: G.703 Rack Card NTU/Converter; V.35 (M34F) Interface
2707RC/D/D: G.703 Rack Card NTU/ Converter; X.21/V.11 (DB-15F) Interface
2707RC/C/IA: G.703 Rack Card NTU/ Converter; 10Base-T (RJ-45F) Interface

 

 

 
Specifications


Data Rate: Smooth Clock 2.048 Mbps
Network Connector: RJ-48C (all versions); Dual Coaxial (X.21 and Ethernet)
DTE Interface: X.21/V.11, V.35, or 10Base-T Ethernet
Line Coding: AMI or HDB3
Line Framing: G.703 (unframed)
Clocking: Internal, External or Receive Recover
Indicators: E1 Link Status, TD, RD, Loss of Sync, Error, Test Mode, Ethernet Status (on 10Base-T Version)
Diagnostics: Local Loop
Line Isolation: 1500VRMS
Compliance: CE Mark, G.703, and CTR-12
Temperature: 32° to 122°F (0° to 50°C)
Rel. Humidity: 5 to 90% non-condensing
Dimensions: 5.84L x 4.16W x 1.51H in (14.84L x 10.6W x 3.84H cm)
Weight: 2.225 lbs (1.02 Kg)
 

 

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