Provides frame relay monitoring in
applications where a DSU/CSU already exists. Supports EIA-23S, EIA-530,
X.21 and V.35 on both the DTE and DCE interfaces. Supports S6K to 2M
rates and DBU (See Modules & Accessories).
TSU IQ Rackmount
Rackmount unit for Smart 16 Shelf. Same
features as 1200215L1.
TSU IQ Rackmount w/PRI DBU
Rackmount unit for Smart 16 Shelf. TSU IQ
Rackmount with ISDN PRI Dial Backup.