sell ISDN modem

ISDN NT 1 Plus supplies 2-wire bi-directional transferring ability of 2B+D and provides high-quality Internet access, data transmission service and dials up to Internet via ISDN network with a high-speed data rate of 64kbps and 128kbps. Feature: *Has cold start and warm start, and fixed timer and self-adapt time *Provides point-to-point and point-to-multipoint connections *Support Reverse Polarity for analog ports (for call metering) *Directly accesses analog services such as ordinary phone, G3 fax, modem, etc *One analog phone or one ISDN phone can work in the case of power failure *Supports supplementary services such as MSN (Multiple Subscriber Number), SUB (sub address), CW (Call Waiting), 3PTY (Three Party Service), etc *Call restriction function *A or μ law selectable by POTS *Supports RVS-COM ISDN application packets *Very strong compatibility: Supports various switchers *Supports caller ID, FSK type I or DTMF mode selectable by POTS *Keeps the link status while switching between local power and remote power, and the switching is automatic *Complies with international and national standards *High integrity circuit and stable quality Network Interface U Interface: *Line Code: 2B1Q, ITU-T G. 961, ETR 080, ANSI T1.601 *Data Rate: 160KBPS *Startup Link Time: Cold start-3 seconds typical; Warm start-110 milli -second typical *Termination Resistance: 135; Distance range: > 5.5 kilometers *Switch Compatibility: EURO ISDN DSS1 *Connector: RJ45 S/T interface: *Line Coding: AMI code, per ITU-T I. 430 *Termination Resistance: 50 ohm, 100ohm, No termination *Bus connection: Point-to-point, short passive bus, extended passive bus *Connector: RJ45 *Power source: Output voltage at S-interface: 42V