The Hitron's STM1a-XCVR is a STM-1 (155M) optical fiber transceiver card of HTC-1100E DLC system. The STM1a-XCVR is standard of SDH ADM mode multiplexer.
The Small Channel Bank Assembly (SCBA) is a compact-sized design, it operates in both LET and RST, which can also function as the primary or expansion CBA.
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