AT&T Merlin Plus Line Card
The AT&T Merlin 4 X 0 line card provides 4 lines in the Merlin Plus 820D and the 820D2. A maximum of two 4 X 0 cards can fit into each KSU.
Provides up to 4 lines per card on the Merlin Plus phone system
Maximum of two line cards allowed in Merlin Plus system (up to 8 incoming lines)
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