

Adtran
Model# ISU 512 (S/T Interface)
Part# 1202086L3
ISDN Inverse Multiplexer, supports up to 512 kbps for single application. Requires external NT1s. Supports BONDing. V.35, RS-530 & RS-366. LAN/WAN connectivity, T1 back-up, Videoconferencing (see 4202086L3). Domestic only.
ADTRAN list price $2,595
Like all Adtran products the ISU 512 (S/T Interface) part # 1202086L3 carries a five year warranty.
1202086
Product information:
ISU 512 Data Sheet
ADTRAN, Inc. - CPE - ISDN Service Units and NT1s