BLACK BOX IS200A-R2 ISDN Network Termination Unit-1 (NTU-1)

SKU: 4293 Category:



BLACK BOX IS200A-R2 ISDN Network Termination Unit-1 (NTU-1)

Optimum connectivity for your ISDN termipal equipment. This sleek, compact Network Termination 1 Device (NTlD) is designed for use with ISDN terminal adapters that don't include built-in NTl functionality. 

Additional information

Weight 5.00 lbs
Dimensions 9.00 × 6.00 × 4.00 in


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• Transparently converts a 2-wire "U" interface line code (central office/network) to a 4-wire "SIT" alternate space inversion code (terminal / customer site).
• u interface fully complies with ANSI standard Tl .601-1992, SIT interface with ANSI standard Tl.601-1991.
• Desktop or wall-mount for added flexibility­can also be mounted in a wiring closet!
• Versatile support of both point-to-point andmultipoint operation.
• Automatic remote (backup) power pickup, local power lo???? "dying gasp" notification, andbuilt-in surge protection.

Operation: Network Termination 1 (NTl) unit providing interlace between ISDN nelwork and ISDN terminal equipment in both point-to-point and multipoint configurations. 
Line Rate: 192 kbps. 
Line Interface: B-pin modular (RJ4 5). U interlace, ANSI Tl.601-1992. !.oximum length: 18,000 feet on 26 gauge wire. 
Customer Interface: 8-pin modular (RJ45J. S/T interface, ANSI Tl .601-1991. 
Size: 6 in. (W) x 5 in. (H) x 1.5 in. (D); Wt.: 2.5 lbs. 
Power: 120 VAC; 5 Watts. 
Supplied: Woll-mount transformer; RJ 11 C to RJ45 coble (6 ft.) for U interface.