This manual provides detailed information on the system specifications, electrical specifications, external device specifications, mechanical specifications, and environmental specifications of the AK-824 telephone exchange, as well as the methods for installing the system, installing optional units, and programming the system. It is an important reference for users of this product.
This manual covers the installation and service procedures for the NEC AK-824 telephone system. It includes step‑by‑step wiring instructions, card set configuration, and troubleshooting guidance for field technicians.
Technical data such as power requirements, operating temperature range, dimensions, and interface details are listed in the specifications section. The document also provides part numbers for optional modules and accessories compatible with the AK series.
| Input Voltage | 110‑240 V AC, 50/60 Hz |
|---|---|
| Power Consumption | 70 W |
| Operating Temperature | 0‑45 °C |
| Storage Temperature | -20‑60 °C |
| Dimensions (W×H×D) | 399 mm × 292 mm × 114.5 mm |
It operates from 110 V to 240 V AC at 50/60 Hz.
The unit consumes approximately 70 W.
The device can operate between 0 °C and 45 °C.
The unit measures 399 mm × 292 mm × 114.5 mm.