ISDN Router Manual V.1.1
87
APPENDIX 3 Specification
Rate
•
2B +D Basic Rate (BRI)
Type
•
External
U interface
•
ITU-T G.961 U-interface
•
2 – wire
•
1 x U-interface port
•
2B1Q line coding
•
RJ11 modular jack
S/T interface
•
ITU-T I.430 S/T-interface
•
4-wire
•
2 x S/T-interface port
•
AMI line coding
•
RJ45 modular jack
•
Terminating resistance selectable for 100 Ohm or none
Connection
•
point-to-point
•
point-to-multipoints
Analog port
•
2 x analog ports
•
RJ11 modular jack
•
ITU-T G.711 a-law
•
20Hz, 55Vrms ringing signal : 1-sec on, 2-sec off
•
Tone Generation
•
Dial tone : 400 +/- 20 Hz
•
Busy tone
•
Holding tone
•
Incoming tone
•
-48VDC
•
Polarity reverse
•
DTMF dialing
Data port
•
1 x data port
•
DB - 9SUB male connector
•
Auto - baud detection
•
DTE speed
•
1200/2400/4800/9600/19200/38400/57600/115200 bps
•
Communication speed
•
Sync: 64000/128000 bps
•
Async:1200/2400/4800/9600/19200/38400 bps
•
Hardware RTS/CTS flow control
•
Software Xon/Xoff flow control
Protocol
•
Clear Channel
•
V.110
•
V.120
•
Channel bundling
•
Soft-Fax
•
BACP/BOD
Switching
•
National ISDN (NI-1,NI-2)
•
AT&T 5ESS CUSTOM
•
NorTel DMS 100 CUSTOM
•
Japan INS64
•
Euro ISDN (EDSS1)
•
Australian TS-013
Supplementary service
•
Inner communication
•
Local supplementary services