ENTERASYS NETWORKS Enterasys 1-Port Channelized T1/E1 ISDN PRI Module
Enterasys - ISDN terminal adapter - plug-in module - ISDN PRI - 2.048 Mbps - T-1/E-1
CISCO Cisco 12-Port Digital Modem Module
Cisco Digital Modem Module - Modem (digital) - plug-in module - PVDM - 56 Kbps - K56Flex, V.90, V.92 ( 12 channels)
BROOKTROUT TECHNOLOGY TR1034+E4H-T1-1N 4CH-FRACTIONAL T1
Brooktrout TR1034 +E4H-T1-1N - Fax/voice/data board - plug-in card - PCI Express x4 - ISDN PRI T1 - 64 Kbps - T-1 ( 4 channels) - EN, Fast EN
