Overview | Grandstream GXW-4248 อุปกรณ์ FXS Gateway ขนาด 48 Port FXS เพื่อแปลงสัญญาณโทรศัพท์ให้เป็น VOIP จำนวน 48 คู่สาย, 1 Port RJ45 รองรับ T.38 Fax , 132x48 Backlit graphic, 50-pin Telco connectors |
Telephony Interface | GXW4216/4224/4232: 16/24/32 x RJ11 & 1/1/2 50-pin Telco connectors
GXW4248: 2 50-pin Telco connectors |
Network Interface | 1 x 10M/100M/1000Mbps auto-sensing RJ45 port |
LED indicators | LAN Link, LAN Activity, Connection Per Telephone Port |
LCD display | Backlit 128x32 graphic LCD display with support for multiple languages |
Voice-over-Packet Capabilities | Window based carrier grade line echo cancellation, dynamic jitter buffer, modern detection & auto-switch to G.711 |
Voice Compression | G.711, G.723.1, G.726 (40/32/24/16), G.729 A/B, iLBC |
Fax over IP | T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax
Pass-through, Fax data pump V.17, V.21, V.27ter, V.29 for T.38 fax relay |
Telephony Feature | Caller ID display or block, call waiting, blind or attended call transfer, call forward, do not disturb, 3-way conference, last call return, paging, message waiting indicator
LED (NEON LED) support and stutter tone, auto dial |
QoS | DiffServ, TOS, 802.1P/Q VLAN tagging |
Network Protocols | TCP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS, DHCP, NTP, TFTP, TELNET, PPPoE, STUN, LLDP |
DTMF Method | Flexible DTMF transmission methods including in-audio, RFC2833, and/or SIP INFO |
Signaling | SIP (RFC 3261) over UDP/TCP/TLS |
SIP Server Profiles & Accounts Per System | 4 distinct SIP server profiles per system and independent SIP account per telephone port |
Provisioning | TFTP, HTTP, HTTTPS, TR069 |
Security | SRTP, TLS/SIPS, HTTPS, 802.1x |
Management | Syslog, HTTPS, Web browser, voice prompt, TR-069 |
Universal Power Supply | GXW4232/4224/4216: Output: 12VDC, 5A; Input: 100 ~ 240VAC, 50 ~ 60Hz
GXW4248: Output: 24VDC, 6.25A; Inpu: 100 ~ 240VAC, 50~ 60Hz |
Environmental | Operating: 0 ?C ~ 40C; Storage: -20?C ~ 60?C; Humidity: 10% ~90% (non-condensing) |
Electrical Protection | Over-voltage and over-current protection (ITU-T Reccomendation K.21, Basic Test Level) |
Physical | Unit dimension: 440mm (L) x 255mm (W) x 44mm (H) (1U) (GXW4248)
440mm (L) x 185mm (W) x 44mm (H) (1U) (GXW4216/4224/4232)
Unit Weight: 3.21KG; Package weight: 4.31KG (GXW4248)
2.63KG; 3.68KG (GXW4224)
2.57KG; 3.62KG (GXW4224)
2.39KG; 3.48KG (GXW4216) |
Mounting | Desktop and rack mount with front brackets |
LED Indicators | Power, LAN Link/Activity, Hard Drive Activity |
Short & Long Haul | 2 REN, up to 2km on 24 AWG wire |
Caller ID | Bellcore Type 1&2, ETSI, BT, NTT, and DTMF-based CID |
Disconnect Methods | Busy Tone, Polarity Reversal/Wink, Loop Current |
Compliance | FCC: Part 15 (CFR 47) Class B
CE: EN55022 Class B, EN55024, EN61000-3-2, EN16000-3-3, EN60950-1, RoHS
C-TICK; AS/NZS CISPR 22 Class B, AS/NZS CISPR 24, AN/NZS 60950 ITU-T K.21 (Basic Test Level); UL 60950 (power adapter) |
รับประกัน | สินค้ารับประกัน 3 ปี |
