Panasonic PRI ISDN Trunk Card (Refurbished)(Model # VB-43571)
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Note: Some dual cabinet configurations do not support ISDN (72 & 40 port combination) and others support a single ISDN. External CSU required. Required CPC-EX and SCC-B (Version 1.3 or Higher). CPC-B and CPC-A-II cards will not support ISDN. CPC EX and SCCB Processors are required to support this card. System also Requires MDF Connector (VB-43562) and Sync Unit (VB-43563) to operate.