Multi Tech Equipment MTA128ST - Manual (Page 45)

45
Appendices
equipment to your phone line. At this time the switch gives your device a Terminal Equipment
Identifier (TEI) which is used from then on to identify all connection requests from that piece of
equipment. This allows the switch to look at the TEI and Bearer Code, determine the SPID, and see if
the Bearer Code and the SPID match up.
Using ISDN Ordering Codes (IOCs)
An organization called
ISDN Solutions Group,
made up of ISDN service providers and
equipment vendors, was formed to simplify the often complex task of ordering an ISDN line. This
method, supported by most (but not all) service providers, uses ISDN ordering codes to define the
ISDN line configuration. Your ISDN TA has been tested to operate with the following ordering codes:
B1, Capability C, Capability R, I2, J2, J3, Capability S, and M5, as described in the following sections.
B1 (previously 'Generic Data B')
This ISDN line ordering code supports:
• 1 B Service,
• Data only on 1 B channel, and
• One directory number.
Capability C (previously 'Generic Data C')
This ISDN line ordering code supports:
•
1 B Service,
• Alternate voice and data on one B channel, and
• One directory number.
Capability R (previously 'Generic Data I')
This ISDN ordering code supports:
• 2B Service,
• Data only on each B channel, and
• Two directory numbers.
Applications for Capability R include:
• 115.2K or 128K bps data only (no voice capability, and
• Generic 115.2K/1 28K bps data transfer applications (including remote access and LAN/WAN
connectivity and telecommuting).
I2 (previously 'Generic Data I-1DN')
This ISDN ordering code supports:
• 2B Service,
• Data only on each B channel, and
• One directory number.
I2 is not available on the Northern Telecom switch. Two directory numbers are required for 2B operation; in
this case use J2.
J2 (previously 'Generic Data J')
This ISDN ordering code supports:
• 2B
Service,
• alternate voice and data on one B channel, data only on other B channel, and
• Two directory numbers.