- Install this card to the expansion card slot at Main/Expansion KSU
- Enables to connect the DSS console to hybrid Ext. port No.8
- 1 power failure transfer circuit
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NEC SL1000 IP4WW-408E-A1 trunk and extension card. This is the expansion interface card, and is installed into 1632M KSU/1632ME EXP. Up to 4 analog trunk and 8 hybrid extension ports are mounted per a card. Also, 1 Power Failure transfer circuit is equipped on this card (1st trunk port to 8th extension port).