Verilink DPRI 2922 (880-503142-001) Product Manual - Manual (Page 11)

Verilink DPRI 2922
1-1
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1
DPRI 2922 Dual-Port ISDN Primary
Rate Interface
The DPRI 2922 application module working in conjunction with an
NCM 2000 controller module provides your AS2000 system with
critical network backup capability that includes ISDN PRI access.
NOTE: The ISDN capability of the DPRI 2922 application module is only
accessible through the NCM 2000 Controller Menu.
The DPRI accepts high-speed data from local area networks, host
mainframes, and other types of data terminal equipment. The
aggregate data rate from terminal equipment can be one of the
following:
Applications
In dial-backup mode, the DPRI 2922 is useful as an alternate ISDN
route when regular T1 lines are unavailable. The DPRI 2922 also
provides the ability to designate a reserve leased T1 as a backup.
Figure 1-1 ISDN Dial-Backup Application
T1 Timeslots Data Rate
n = 1—23 or 1—24 depending
on NFAS configuration
n × 56 kbit/s (up to 1.344 Mbit/s) (n = 1–
24)
n = 1—23 or 1—24 depending
on NFAS configuration
n × 64 kbit/s (up to 1.536 Mbit/s) (n = 1–
24)
T1