Chapter 2.ISDN Service
application, then Capability R (previously Generic Data I) may be more
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
10 | ISU 2x64 Dual Port ISDN Service Unit User Manual |