Đặc tính kỹ thuật
Physical interface
- ISDN: 02/01 * E1/T1, G.703, 120ΩRJ-48
- FE0 (WAN): ETH service interface
- FE1 (LAN): ETH management interface
Call feature
- DTMF: RFC2833, SIP INFO, inband
- Back to busy tone / tone control
- Digit map
- Configure Dial rules, 2000 maximum rules
- Receive Overlap
- Time control dial
- Time slot management group
Signal
- PRI / PRA ISDN E1 / T1 ITU-T I.431, Q.921, Q.931, ETSI Q.sig
- SS7 / No.7 ITU, ANSI, ETSI, ITU-China, MTP class 1/2/3, ISUP / TUP
- R21 manages the port group
Maintain and upgrade
- Web based configuration
- HTTP / Telnet configuration
- Data backup / recovery
- Support English and Chinese languages
- Upgrade firmware using TFTP
- Web & login telnet password modified
- SNMPmanagement
- Syslog: Debug, Info, Error, Warning, Notifications
- CDR
- NTP configuration
Physical properties
- Power source: input: 100-240V, 50-60Hz
- Power consumption: 10W
- Dimensions: 436 x 300 x 44.5mm (1U)
- Weight: 2.0kg
- Bảo hành: 12 tháng.