SHT-8B/PCI、SHT-8B/PCI/FAX voice card is an 8 or 16 channel analog line voice card that adopts PCI bus.
The CTI series voice cards are PCI‑bus cards offering 8 or 16 analog telephone channels. They support a range of functions such as line ringing detection, caller ID, DTMF, fax sharing, and conference calling, with optional RJ11 or RJ45 interfaces depending on the model.
The manual includes a detailed block diagram, description of functional modules, installation procedures, wiring diagrams, and a full list of technical specifications such as dimensions, power consumption, and supported audio codecs. This manual is written in Chinese.
| Dimensions (SHT‑8B) | 170 × 115 mm |
|---|---|
| Dimensions (SHT‑16B) | 310 × 115 mm |
| Weight (SHT‑8B) | ≈250 g |
| Weight (SHT‑16B) | ≈400 g |
| Operating Temperature | 0 °C – 55 °C |
| Storage Temperature | -20 °C – 85 °C |
| Audio Output Power | ≥50 mW (headphone) |
| Signal‑to‑Noise Ratio | ≥38 dB |
| Maximum Power Consumption | ≤12 W |
| Supported Audio Codecs | A‑law, μ‑law, IMA‑ADPCM, PCM, MP3, VOX, GSM |
The SHT‑8B/PCI card has one 3.5 mm stereo headphone jack and four RJ11 telephone line ports.
The SHT‑16B‑CT/PCI/FAX model supports 16 analog telephone channels.
They require +5 V DC 600 mA, -12 V DC 80 mA, +12 V DC 300 mA, with a maximum consumption of ≤12 W.
Yes, the cards comply with the PCI 2.1 standard and provide a burst transfer rate up to 133 MB/s.