t1 slotThen enter the card type {e1 | t1} slot subslot command for the new confuration information. Step 4. voice-card slot Router(conf)# voice card 1. Enters voice card interfaceSlot opening width : 6mm Finger width : 9mm; Colour : Grey RAL 7030; T1 = 18mm, 30mm, 40mm and 60mm hehts; T1-F = 80mm, 100mm and 125mm hehts; T1-F have an extra