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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 Ⅰor 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