LET Power Supply Unit (L-PSU)
The Tellabs 1000 LET Power Supply Unit (L-PSU) plug-in card converts the -48 V local exchange battery input into ±5 V and -32 V required by the common control equipment and line cards in the Tellabs 1000 MSA series Local Exchange Terminal (LET). The L-PSU uses a...High Density Remote Power Supply Unit (HD R-PSU)
The Tellabs 1000 Multi-service Access Platform (MSAP) Series High Density Channel Bank Assembly (HD CBA) Remote Power Supply Unit (HD R-PSU) plug-in card converts standard -48 V DC from batteries or a rectifier into the voltages required by the common control...
RST Power Supply Unit (R-PSU)
The Tellabs 1000 Remote Power Supply Unit (R-PSU) plug-in card converts standard -48 V DC from batteries or a UPA into the voltages required by the common control equipment and plug-in cards located at the Tellabs 1000 MSAP Series. The R-PSU card also generates sine...