DS3/E3 SWITCHING MAU clei The DS3/E3 Switching MAU provides two pairs of coaxial connectors for all single port DS3 or E3 interface cards. One pair connects to the Tx and Rx of the primary card and the other is used to route to a sparing card via the spar

DS3/E3 SWITCHING MAU clei The DS3/E3 Switching MAU provides two pairs of coaxial connectors for all single port DS3 or E3 interface cards. One pair connects to the Tx and Rx of the primary card and the other is used to route to a sparing card via the sparing control panel (90-4918-01). This assembly contains a Telcordia CLEI (Common Language Equipment Identifier) label.