Patton electronic X.21 Interfaces Network Card User Manual


 
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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 (2.048 Mbps)
Available in low-cost standalone or rack-mountable versions
X.21 and V.35
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 approval
100-240VAC & 48VDC power options
Conforms to ONP requirements CTR 12 for connection to international
Telecom networks
2.2 DESCRIPTION
The Model 2707 receives clear channel E1/G.703 (2.048 Mbps) data
from the telco's digital data network. The Model 2707 terminates the
G.703 telco interface and converts the data for transmission to a user-
oriented serial (X.21 and V.35). The 2707 can connect to a Router,
FRAD, PABX or Multiplexer over its serial interface at 2.048 Mbps.