همه دستهها
محصولات پیشنهادی
فروشندهها
فروشگاه جدید
گیت وی FXO چهار پورت گرنداستریم مدل HT841
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مشخصات محصول
مشخصات کلی
Brand
Grandstream
Telephone Interfaces
HT841: 4 RJ11 FXO ports/1 RJ11 FXS
Network Interfaces
Two 10/100/1000Mbps RJ45 ports, one with 802.3af PoE-PD support Note: Up to 1000Mbps in Bridge mode, up to 100Mbps in NAT mode
LED indicators
POWER, NET1, NET2, FXS, FXO
Factory Reset Button
Yes
Telephony Features
Caller ID display or block, call waiting, flash, blind or attended transfer, forward,hold, do not disturb, 3-way conference
Voice Codecs
G.711 with Annex I (PLC) and Annex II (VAD/CNG), G.723.1, G.729, G.726-32, iLBC, OPUS, dynamic jitter buffer, advanced line echo cancellation
Fax over IP
T.38 compliant Group 3 Fax Relay up to 14.4kpbs & auto-switch to G.711 for Fax Pass-through
Short/Long Haul Ring Load
3 REN: Up to 1km on 24 AWG
Caller ID
Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID
Dial Methods
DTMF, Pulse
Disconnect Methods
Busy Tone, Polarity Reversal/Wink, Loop Current
Network Protocols
TCP/IP/UDP, RTP/RTCP (RFC1889, 1890), HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH, Telnet, STUN (RFC3489, 5389), SIP (RFC3261), SIP over TCP/TLS, SRTP, SNMP, TR-069, IMS/3GPP, IPoE
QoS
Layer 2 (802.1Q VLAN, SIP/RTP 802.1p) and Layer 3 (ToS, Diffserv, MPLS), Traffic Shaping
DTMF Method
In-audio, RFC2833 and/or SIP INFO
Provisioning and Control
HTTP, HTTPS, TFTP, SSH, TR-069, secure and automated provisioning using AES encryption, syslog
Media
SRTP
Control
TLS/SIPS/HTTPS
Management
Syslog support, Telnet, SSH, Remote management using web browser
Universal Power Supply
POE Input: 4 8 V / 0 . 5 A DC Input: 12V/1A
Environmental
Humidity: 10 – 90%, ,, Non-condensing, ,, Operational: 32º – 104ºF, ,, Storage: 14º – 140ºF
Dimension and Weight
190mm x 100mm x 28mm (L x W x D) Weight: 0.46KG
Package Contents
1x HT841/HT881, 1x Ethernet Cable, 1x Quick Installation Guide (Power Supply Not Included)
Compliance
FCC/CE/RCM/IC/UKCA