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2.0 GENERAL INFORMATION
Thank you for your purchase of this Patton Electronics product. This
product has been thoroughly inspected and tested and is warranted for
One Year parts and labor. If any questions or problems arise during
installation or use of this product, please do not hesitate to contact Pat-
ton Electronics Technical Support at (301) 975-1007.
2.1 FEATURES
• Terminates G.703 E1 service
• Available in low-cost standalone or rack-mountable versions
• 2.048 Mbps data rate
• 10Base-T Ethernet bridge
• PPP (Point to Point Protocol, RFC 1661) with Bridge Control Protocol
(RFC 1638)
• 75-ohm dual coax and 120-ohm twisted-pair G.703 connections
• Line loopback diagnostics
• Internal and G.703 network timing
• CE marked
• 100–240 VAC & 48 VDC power options
• Conforms to ONP requirement CTR 12 for connection to international
Telecom networks
2.2 DESCRIPTION
The Model 2707/I receives clear channel E1/G.703 (2.048-Mbps) data
from the telco's digital data network. The Model 2707/I terminates the
G.703 telco interface and converts the data for transmission to a user-
oriented 10Base-T (802.3) Ethernet interface.
The Ethernet (Model 2707/I) supports an integrated 10Base-T (802.3)
Ethernet port with transparent bridging capability for IP, IPX, DECnet,
NetBIOS and other layer-3 protocols. The 2707/I attaches to the LAN
and intelligently bridges data traffic to the large central site router
through the telco's leased line network. The 2707/I supports PPP (RFC
1661) and BCP (RFC 1638).
The Model 2707/I is a 10Base-T bridge that operates over G.703 lines. It
uses MAC learning and forwarding to provide seamless LAN-to-LAN
connectivity. As a result, corporate enterprises can connect their servers
to a pair of NTUs and automatically forward data packets that are meant
for the remote network. Local packets are filtered and passed only to the
local LAN.