The JaRa 1004 PCI Serial Expansion Card manual provides hardware installation, driver setup, and specifications for the 1004A‑D models.
The JaRa1004 series is a PCI‑bus card that adds four serial ports to a PC. Four variants are offered – 1004A and 1004B with RS‑232 interfaces, and 1004C and 1004D with RS‑422/RS‑485 interfaces that can be configured via jumpers.
The manual covers hardware installation, PCI BIOS configuration, driver installation for Windows 98/2000/XP (as well as DOS, Linux, and older Windows versions), interface pin‑outs, electrical isolation, and troubleshooting steps. It also lists the package contents and technical specifications such as baud‑rate range and FIFO depth. This manual is written in Chinese.
| Number of serial ports | 4 |
|---|---|
| Supported interfaces | RS‑232 (1004A/B) and RS‑422/RS‑485 (1004C/D) |
| Baud‑rate range | 50 ~ 115200 bps |
| FIFO depth per port | 16 bytes |
| Isolation voltage | 480 V (RS‑232) / 10 kV (RS‑422/RS‑485) |
The card provides four serial ports.
It supports DOS, Linux, Windows 9x/ME/2000/NT4.0, and Windows XP.