OEM industrial telephone

Kotak Panggilan Darurat Terowongan Utilitas

The industrial telephone adopts aluminum alloy die-casting shell, which has high mechanical strength and strong impact resistance. Its appearance is sturdy and vandal-proof, and it can be divided into two-wire and SIP, network cable and other transmission methods. It can be used in complex application scenarios such as Utility Tunnel, railway, tunnel, etc.

Sistem telepon: multi-frekuensi nada ganda;
Permintaan lampu sinyal dering panggilan masuk;
Waktu koneksi panggilan: ≤ 6S (non-pemblokiran);
Jarak komunikasi maksimum: 5km;
Intensitas tingkat tekanan suara dinilai terukur: ≥ 90dBA;
Rentang audio: 300Hz ~ 3400Hz;
Distorsi harmonik: ≤ 5%;
Mendukung pemasangan di dinding dan lantai;
sistem panggilan DTMF;
Nilai tegangan umpan: DC48V/DC24V;
Kirim/terima respons frekuensi: sesuai dengan GB/T15279-2002;
Transmit Loudness Rating (SLR): 5 ~ 15dB;
Peringkat Kenyaringan yang Diterima (RLR): -7 ~ 2dB;
Peringkat Sidetone Masking (STMR): ≥7dB;
The system has strong expansion compatibility and supports standard SIP 2.0 (RFC3261) and related RFC protocols;
Dukungan: TCP/UDP, HTTP, ARP/RARP, DNS, NTP, TFTP, TELNET;
Support one-key direct call dispatcher function;
Provide alarm, monitoring, intercom, broadcast functions;
Mengadopsi teknologi pembatalan gema canggih;
Optional G.729, G.723, G.711, G.722, G.726 and other speech coding methods;
DTMF mode RFC2833, SIP INFO, INBAND;
Mendukung modifikasi alamat IP statis, resolusi nama domain DNS;
Hands-free/replay/radio playback function;
It can be set through the WEB interface;
Online software upgrade;
Ringing pressure: ≥ 70dB(A);
Suhu sekitar: -20 ℃ ~ + 70 ℃;
Gunakan kelembaban relatif: 10% ~ 95%;
Power supply: AC220V;
Tombol sentuh bersegel anti-statis, tahan air, tahan debu, anti-korosi;
Dial keypad: 0 ~ 9 tombol angka, 3 tombol fungsi: tombol panggilan ketat, tombol panggil ulang, tombol tutup;
Panggilan otomatis off-hook, dapat diatur untuk secara otomatis menghubungi pusat manajemen atau ruang tugas darurat;
Dapat secara manual melakukan panggilan ke 119/110 dan panggilan luar lainnya;
Amplifier output power: 30W;
Loudspeaker impedance: 8Ω;
Kelas perlindungan: IP66;
Dimensions: 319.5×219.5x129mm;
Weight: 3.5Kg;