ISDN Modem (GP-NT1)

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