Toshiba RDTU1A T-1 card
- (Stock# RDTU1A)
- Provides 24 channels for T1 Service on CTX670, CTX100 or DK424i, and 12-channels on DK40i. Network connection requires an external CSU. Each RDTU1A requires 1 – NDTU cable. Does not provide hook switch/flash capabilities to DID/ground start circuits. If these services are needed, you must upgrade to RDTU2A.
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