The Grandstream GXW4248 v2 is a 48-port high-density FXS gateway offering cost-effective hybrid IP and analog telephony with Gigabit speeds.
The GXW4200 v2 high-density FXS gateway series enables businesses of all sizes to create a cost-effective hybrid IP and analog telephone system that offers the benefits of VoIP communications and takes advantage of Gigabit speeds while preserving investment on existing analog phones, fax machines and legacy PBX systems. The GXW4200 series includes 16/24/32/48 FXS ports, a Gigabit network port and features broad interoperability with most service providers, soft-switches and SIP-based environments.
Features A single 10/100/1000 Mbps auto-sensing RJ45 port TLS and SRTP security with AES encryption technology to protect calls and accounts Automated provisioning options include TR-069 and XML config files Supports simultaneous 3-way voice conferencing per port Failover SIP server feature automatically switches to secondary server if main server loses connection Supports simultaneous T.38 or pass-through fax-over-IP per port Supports wide range of caller ID formats Use with Grandstream's UCM series of IP PBXs for Zero Configuration provisioning Supports advanced telephony features, including call transfer, call forward, call-waiting, do not disturb, message waiting indication, multi-language prompts, flexible dial plan and more Supports 16KHz wide-band voice sampling rate and wide-band codecs such as Opus and G.722 Secure boot, unique certificate and random default password per device, dual firmware images
Specifications
Telephone interfaces GXW4216/4224/4232: 16/24/32 x RJ11 & 1/1/2 50-pin Telco connectors GXW4248: 2 50-pin Telco connectors
Network interfaces 1 x 10M/100M/1000Mbps auto-sensing RJ45 port
LED indicators Power, 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, G.726-32, G.729, G.722 (wide band), iLBC, Opus (wide-band)
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
Caller ID Bellcore Type 1 & 2, ETSI, BT, NTT, and independent SIP account per telephone port
Provisioning TFTP, HTTP, HTTPS, FTP, FTPS, TR069
Security SRTP, TLS/SIPS, HTTPS (AES-128 encryption for SRTP, TLS and HTTPS), SecureBoot, random admin passwords
Management Syslog, HTTPS, SSH, Web browser, voice prompt, TR-069
Universal power supply GXW4232/4224/4216: Output: 12VDC, 5A, maximum 60W Input: 100 ~ 240VAC, 50 ~ 60Hz GXW4248: Output: 24VDC, 6.25A, maximum 150W Input: 100 ~ 240VAC, 50~ 60Hz
Environmental Operating: 0 °C ~ 40C; Storage: -10°C ~ 60°C; Humidity: 10% ~90% (non-condensing)
Electrical protection Over-voltage and over-current protection (ITU-T Recommendation 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: GXW4248 3.36KG; GXW4232 2.76KG; GXW4224 2.60KG; GXW4216 2.40KG
Mounting Desktop and rack mount with front brackets
Compliance FCC: Part 15 (CFR 47) Class B IC: ICES-003 CE: EN55032 Class B, EN55035, EN IEC 61000-3-2, EN61000-3-3, EN IEC 62368-1, RoHS C-TICK: AS/NZS CISPR 32 Class B, AS/NZS 62368.1, AS/CA S003.1 ITU-T K.21 (Basic Test Level); UL 60950 (power adapter)