Description
DS3251/DS3252/DS3253/DS3254 Single/Dual/Triple/Quad DS3/E3/STS-1 LIUs www.maxim-ic.com GENERAL .
The DS3251 (single), DS3252 (dual), DS3253 (triple), and DS3254 (quad) line interface units (LIUs) perform the functions necessary for interfacing at.
Features
* Pin-Compatible Family of Products Each Port Independently Configurable Receive Clock and Data Recovery for Up to 380 meters (DS3), 440 meters (E3), or 360 meters (STS-1) of 75W Coaxial Cable Standards-Compliant Transmit Waveshaping Three Control Interf
Applications
* SONET/SDH and PDH Multiplexers Digital Cross-Connects Access Concentrators ATM and Frame Relay Equipment Routers PBXs DSLAMs CSU/DSUs
FUNCTIONAL DIAGRAM
EACH LIU LINE IN DS3, E3, OR STS-1 RXP RXN CLK DATA RECEIVE CLOCK AND DATA CONTROL STATUS TRANSMIT CLOCK AND DATA