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*Product Discontinued – Please contact us for availability* The NEC DSX phone system T1/E1/PRI Line Card provides a connection point for a telephone company T1 or PRI circuit. Provides 24 channels (phone lines) when configured for a T1 and 23 channels (phone lines) when configured for a PRI. When connecting to a T1 circuit the framing and coding, the DSX supports B8ZS (bit 8 zero suppression) and ESF (extended super frame).
*Product Discontinued – Please contact us for availability* The NEC DSX phone system T1/E1/PRI Line Card provides a connection point for a telephone company T1 or PRI circuit. Provides 24 channels (phone lines) when configured for a T1 and 23 channels (phone lines) when configured for a PRI. When connecting to a T1 circuit the framing and coding, the DSX supports B8ZS (bit 8 zero suppression) and ESF (extended super frame).
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