Grandstream GXW4248 2 x 50-pin Telco connectors, 1 x 10M/100/1000 Mbps auto-sensing RJ45 port, G.711, G. 723, G.726

Vendor: Grandstream 

Category: Network equipment / Gateway 

Article number: GXW4248 

TNVED: 8517 62 00 00 

Description: Telephone connections

GXW4216/4224/4232: 16/24/32 x RJ11 FXS ports and 1/1/2 50-pin connectors

Telco GXW4248: 2 50–pin Telco connectors

Network interfaces

1 x 10M/100M/1000Mbps RJ45 Port with Automatic Identification

LED indicators

LAN Link, LAN Activity, connection for each phone port

LCD display

128x32 backlit graphic LCD display with multi

-language support

Speech transmission functions in batch mode

Windows-based carrier-class line echo cancellation, dynamic

delay oscillation buffer, modem detection and automatic switching

to G.711

Compression of the speech signal G.711, G.723.1, G.726 (40/32/24/16), G.729 A/B, iLBC

Fax by IP

Fax relay of the third group of the standard T.38 with support for data transfer rates

up to 14.4 Kbit/s and automatic switching to G.711 for fax transmission,

a functional unit for transmitting and receiving data by fax V.17, V.21, V.27ter, V.29

for fax relays of standard T.38

Phone functions

Displaying or blocking the caller's number, notification

of an incoming call, blind or accompanied call transfer,

forwarding, blocking incoming calls, three-way conference call,

dialing the last incoming call, search call, LED indicator

of an incoming message (NEON LED) and intermittent signal, auto-dial

Quality of service

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 (expected)

DTMF method

Configurable DTMF transmission methods, including In-audio, RFC2833, and/or SIP INFO

Signal transmission

SIP (RFC 3261) over UDP/TCP/TLS

SIP server profiles and accounts for each system

4 separate SIP server profiles for each system and separate accounts

SIP for each phone port

Registration

TFTP, HTTP, HTTPS, TR069

Safety

SRTP*, TLS/SIPS, HTTPS (AES-128 encryption for SRTP*, TLS and HTTPS)

Management

Syslog, HTTPS, Web browser, telnet, Voice reminders, TR-069

Universal power supply

GXW4232/4224/4216: Output: DC12V, 5 A; Input: 100~240V

AC, 50~60Hz; GXW4248: Output: DC24V, 6.25A; Input:

100~240 VAC, 50~60Hz

Characteristics of the surrounding environment

Operation: 0°C ~ 45°C; Storage: -20°C ~ 60°C; Humidity: 10％ ~90% (non

-condensing)

Electrical protection

Overvoltage and surge protection (ITU-T K.21 recommendation, basic

verification level)

Physical characteristics

Device Size: 440mm (L) x 255mm (W) x 44mm (H) (1U) (GXW4248)

(GXW4216/4224/4232)

Device weight: 3.21 kg; package weight: 4.31 kg (GXW4248)

Installation

Installation on a table and in a rack using front brackets

Short- and long-range communication

2 REN, up to 6000 feet for 24 AWG wire

The caller's number

Bellcore Type 1&2, ETSI, BT, NTT, and DTMF-based CID

Shutdown methods

Busy signal, change/instability of polarity, current in the circuit

Compliance with regulatory requirements

US Federal Communications Commission: Part 15 (CFR 47) Class B, Council of Europe:

EN55022 Class B, EN55024, EN61000-3-2, EN61000-3-3, EN60950-1, RoHS, C-TICK:

AS/NZS CISPR 22 Class B, AS/NZS CISPR 24, AS/NZS 60950, ITU-T K.21 (basic

verification level); UL 60950 (power adapter) 

Link to source: https://grandstream.com/products/gateways-and... 

Completion: - device - 1 pc RJ45 Ethernet cable - 1xTelco cable - power supply 12 in 1 pc - Installation guide - GPL license 

Optional: * 48 telephone FXS ports with LED indicators for each port, 50-pin Telco connector * Gigabit Ethernet, 128x32 backlit graphic LCD display, multi-language support * 4 SIP server profiles for each system and separate SIP accounts for each port * Supported voice / fax codecs: G. 711, G. 723. 1, G. 726, G. 729A/B, iLBC, T. 38 Fax * Improved operator-class echo cancellation function (128 ms suppression depth) • Over-voltage and over-current protection (ITU-T K. 21 basic test level) • Support for VMWI, neon light indicators and audio signal playback to indicate message waiting * Automatic registration using TR-069 or XML configuration file with AES, TLS/SRTP/HTTPS encryption for additional protection and privacy