| Image | Part/Mfg | Description | MSRP * | Select |
 | 1200051L1 | ISU 2x64 (U Interface), ISU 2x64 (U Interface, Standalone ISDN BRI Total Access. Supports up to 128 kbps single application or 64 kbps for two applications. Includes NT1. Supports BONDING, V.120, Clear Channel, MLPPP. V.35, RS-232, RS-530, RS-366. ASYNC or SYNC.) | $1,368.45 | |
| Adtran |
 | 1200051L5 | Multinational Dual Port ISDN Terminal Adapter, ISU 2x64, S/T Interface, 110 volt PS | $1,368.45 | |
| Adtran |
 | 1200087L1 | ISU 128 Rackmount ISDN Terminal Adapter, ISU 128 (Smart 16-16e RM, U-Interface) Rackmount ISDN Terminal Adapter | $1,151.24 | |
| Adtran |
 | 1200236L1 | NT1 ACE3, Supports multiple switch vendors, including Lucent, NEC, Nortel, Siemens and National ISDN-1, Provides U-Interface lightning protection, LED display to indicate power and network status, Includes 120 V AC power supply, Ideal for 384 Kbps videoconferencing applications | $550.28 | |
| Adtran |
 | 1200242L1 | Network Interface, 56k/64k DDS network interface for NetVanta 1000, 3000, and 4000 Series of access routers NT1 ACE4 Standalone Quad ISDN BRI Termination Device (4 U-Interface input 4 S-T interface output for 512 kbps videoconferencing. Includes 120 VAC Power Supply) | $687.85 | |
| Adtran |
 | 1202086L1 | ISU 512 U-Interface ISDN Inverse Multiplexer (Supports up to 512 kbps for single application. Includes internal NT1s. Supports BONDING. V.35, RS-530 and RS-366. LAN-WAN connectivity, T1 backup, Videoconferencing. SYNC only.) ISU 512 ISDN INV MUX 512K U INT BONDING V35 RS-530 RS-366 SYNC | $3,757.82 | |
| Adtran |
 | 1202086L3 | ISU 512, with S-T-Interface (ISDN Inverse Multiplexer with S-T interface, supports up to 512 kbps for single application. Supports BONDING. V.35, RS-530 and RS-366. LAN-WAN connectivity, SYNC only.) ISU 512 with S-T-Interface (ISDN Inverse Multiplexer with S-T interface, supports up to 512 kbps for single application. Supports BONDING. V.35, RS-530 and RS-366. LAN-WAN connectivity, SYNC only. ) | $3,757.82 | |
| Adtran |
 | 1203086L1 | ISU 512e - U-Interface, ISU 512e U-Interface (ISDN Inverse Multiplexer, Includes V.35 DTE interface, RS-366 Dial interface and EIA-232 craft interface. Includes 10BASE-T Ethernet port for SNMP and Telnet access.) | $3,757.82 | |
| Adtran |
 | 4200051L1 | ISU 2x64 (U Interface), ISU 2X64 (U-Interface, with Cables - Standalone Dual Port ISDN Terminal Adapter Bundle) | $1,542.23 | |
| Adtran |
 | 4202086L2 | ISU 512, S/T Interface Universal PS with Cables (Same as 1202086L2-ISU 512 S/T-Interface with Universal Power supply with one RS-530 to V.35 adapter Cable 1200072L1 and one RS-366 Y-cable-1200120L1. CE Marked for EU Countries Only) | $3,896.84 | |
| Adtran |
* Corporate discount prices are available. Please contact us for your corporate pricing. Please contact us for your corporate pricing. Prices are in Canadian Dollars.
