In One Span Digital T1/E1/J1/PRI Cards
1TE121PF One (1) span digital T1/E1/J1/PRI PCI-Express x1 3.3V card
1TE121BF One (1) span digital T1/E1/J1/PRI PCI-Express x1 3.3V card and hardware echo cancellation
1TE122PF One (1) span digital T1/E1/J1/PRI PCI 3.3/5.0V card
1TE122BF One (1) span digital T1/E1/J1/PRI PCI 3.3/5.0V card and hardware echo cancellation
Here, the cards end with BF come with Echo Cancellation.
In Two Span Digital T1/E1/J1/PRI Cards
1TE205PF Two (2) span digital T1/E1/J1/PRI PCI 5.0V card
1TE207PF Two (2) span digital T1/E1/J1/PRI PCI 5.0V card and hardware echo cancellation
1TE210PF Two (2) span digital T1/E1/J1/PRI PCI 3.3V card
1TE212PF Two (2) span digital T1/E1/J1/PRI PCI 3.3V card and hardware echo cancellation
1TE220F Two (2) span digital T1/E1/J1/PRI PCI-Express x1 3.3V card
1TE220BF Two (2) span digital T1/E1/J1/PRI PCI-Express x1 3.3V card and hardware echo cancellation
Here, the cards end with PF & BF come with Echo Cancellation except 1TE210PF.
In Four Span Digital T1/E1/J1/PRI Cards
1TE405PF Four (4) span digital T1/E1/J1/PRI PCI 5.0V card
1TE407PF Four (4) span digital T1/E1/J1/PRI PCI 5.0V card and hardware echo cancellation
1TE410PF Four (4) span digital T1/E1/J1/PRI PCI 3.3V card
1TE412PF Four (4) span digital T1/E1/J1/PRI PCI 3.3V card and hardware echo cancellation
1TE420F Four (4) span digital T1/E1/J1/PRI PCI-Express x1 3.3V card
1TE420BF Four (4) span digital T1/E1/J1/PRI PCI-Express x1 3.3V card and hardware echo cancellation
Here, the cards end with PF & BF come with Echo Cancellation except 1TE410PF.
