User manual for the Adaptive Micro Systems iAlpha serial clock covering setup, operation, networking and warranty.
The iAlpha serial clock is a 4‑inch LED time display that can operate independently or be networked with other Alpha clocks and signs. It supports master and slave modes, 12/24‑hour display, bright/dim switching, and includes a built‑in battery backup.
The manual provides detailed instructions for power connection, DIP switch configuration, network wiring with RS‑485, end‑of‑line termination, and warranty registration. Safety and FCC compliance information are also included.
| Dimensions | 3.5" x 7.1" x 2.2" (34.3 cm x 18.0 cm x 5.6 cm) |
|---|---|
| Weight | 1.7 lbs (0.78 kg) (clock only) |
| Power | 30 W transformer, UL Listed, CSA Certified, 120 VAC (input 100‑130 VAC) |
| Battery backup | Built‑in, up to 15 days |
| Serial interface | Surge protected RS‑485 |
| Network limitations | 32 drops, 4000 ft at 9600 baud |
| Operating temperature | 0 °C – 49 °C (32 °F – 120 °F) |
| Humidity | 0 % – 95 % non‑condensing |
The network can support up to 32 drops and a total cable length of 4000 feet at 9600 baud.
The battery backup provides up to 15 days of operation without external power.