(1TE410PF)

Quad Span T1/E1/J1 PCI Card

Selectable by per card or per port

For use with 3.3 volt PCI Slot only

(1TE412PF)

Quad Span T1/E1/J1 PCI Card 3.3 volt

Selectable by per card or per port

VPMOCT128 Echo Cancellation Module Installed

For use with 3.3 volt PCI Slot only

(1TE420F)

Four Port T1/E1 PCI Express Card

Used in any available PCIe 1.0 compliant slot - 1x, x4, x8, and x16

(1TE420BF)

Four Port T1/E1 PCI Express Card

Used in any available PCIe 1.0 compliant slot - 1x, x4, x8, and x16

VPMOCT128 Echo Cancellation Module Installed

(1TC400BLF)

Digium Transcoder Card 
Handles 96 G.729 Transformations, or
92 Bi-directional G.723.1 Transformations

(1VPMOCT064FA)

H/W Echo Cancellation Module for Dual Span T1 Cards

(1VPMOCT128FA)

H/W Echo Cancellation Module for Quad Span T1 Cards