GL’s LightSpeed1000 supports Channelized SONET and SDH mapping to T1/E1 framing modes. “Direct Access” to uo to 336 T1s on Multiplexed OC-12/STM-4, OC-3/STM-1, and T3/E3. A more innovative approach provided by GL eliminates the requirements for the costly multiplexer hardware, and T1/E1 access cards and consequent cables, power, and