Chapter 2.ISDN Service
10
ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D
application, then
Capability R
(previously
Generic Data I
) may
be more cost-effective.
ADTRAN has registered the following ISDN ordering codes to
support a variety of tariffs and applications:
Capability S (previously Generic Data M)
• 2B service
• Both B channels alternating voice and data
• Two directory numbers
Applications
• Host data center, internet access, bulletin board, and modem
pooling applications
• Modem capability
• Generic data transfer, including remote access and LAN/
WAN connectivity and telecommuting
Capability R (previously Generic Data I)
• 2B service
• Data only
• Two directory numbers
Applications
• Host data center, internet access, bulletin board, and modem
pooling applications
• Data only applications, no modem capability
• Data transfer applications, including remote access and
LAN/WAN connectivity, telecommuting