Overview
Suggested Components
Application Notes
New Product Announcements







T1/E1/J1 Framers



Data Sheets
Part Number Description Key Advantages
DS21455, DS21458 Quad T1/E1/J1 Transceivers

Industry's First 4-Port Transceivers to Switch Among All T1, E1, and J1 Standards without External Component Changes 
DS21Q58 E1 Quad Transceiver

 
DS21Q59 E1 Quad Transceiver

 
DK2000 High-Performance Demo Kit Motherboard

 
DS21FF44, DS21FT44 4x3 Twelve Channel E1 Framer / 4x4 Sixteen Channel E1 Framer

 
DS21FF42, DS21FT42 4 x 4 16 Channel T1 Framer / 4 x 3 12 Channel T1 Framer

 



Key Specifications:

T/E Carrier & Packetized Products
Part Number Transmission Standard Functions Channels VSUPPLY
(V)		 EV Kit Budgetary
Price
See Notes
DS21455  T1/E1/J1 Framer + LIU 4 3.3 - $41.19 @1k
DS21458  T1/E1/J1 Framer + LIU 4 3.3 Yes $38.10 @1k
DK2000 
ATM
E1
STS-1
T1/E1/J1
T1/J1
T3/E3
 - -
3.3
5
 - -
DS21Q58  E1 Framer + LIU 4 3.3 - $25.38 @1k
DS21Q59  E1 Framer + LIU 4 3.3 Yes $30.72 @1k
DS21FF42  T1/J1 Framer 16 3.3 - $142.14 @1k
DS21FF44  E1 Framer 16 3.3 - -
DS21FT42  T1/J1 Framer 12 3.3 - $134.03 @1k
DS21FT44  E1 Framer 12 3.3 - $134.03 @1k
See All T/E Carrier & Packetized Products (90)