Quad Span E1/T1 VoIP Card with HDEC, IPPBX PCI Card 420D-EC

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Basic Info

Payment Type:	Telegraphic Transfer in Advance (Advance TT, T/T)

Product Description

Digital telephony cards

Product features:

New version, our second generation digital cards
Supports EC module with octasic EC chip
Hardware channel switching
More efficient processing ability
Supports hardware HDLC
Provides E1/T1/J1 support in one card
Compliance with international telecommunications standards
Specifically designed for the Asterisk platform, available for Freeswitch, Yate and other open source project

Highlights:

Efficient: optimization of DMA transmission and hardware switching
Clock: support the master-slave clock, so several different carriers can be connected simultaneously
Interfaces: mixing T1/E1/J1 have been supported
Line coding: HDB3/AMI/B8ZS
Frame format: CRC4/non-CRC4/ESF/D4T1/E1
HDLC processing: independent hardware HDLC transceiver
Driver optimization: specifically optimization for high volume data transmission in drivers

New version, our second generation digital cards

Supports EC module with octasic EC chip

Hardware channel switching

More efficient processing ability

Supports hardware HDLC

Provides E1/T1/J1 support in one card

Compliance with international telecommunications standards

Specifically designed for the Asterisk platform, available for Freeswitch, Yate and other open source project

Efficient: optimization of DMA transmission and hardware switching

Clock: support the master-slave clock, so several different carriers can be connected simultaneously

Interfaces: mixing T1/E1/J1 have been supported

Line coding: HDB3/AMI/B8ZS