TELCO G.703
Distribution Amplifiers


DDA-4280
2.048 Mb/s (E1) G.703 Data Distribution Amplifier

DDA-4320
ASI / SDI / STM-1 Path Protection & Distribution Amplifier

ZDA-4320RH
Double Rear Assembly for Handshaking 2 x DDA-4320's

DDA-4301
(E3 / DS3) G.703 Data DA

ZDA-4300RH
Double Rear Assembly for Handshaking 2 x DDA-4301's