BLACKBOX-IC478A-M-R2 Async RS-232 to RS-485 Interface Converter, DB25 Male to DB25 Male RS-232轉RS-485轉換器, DB25公頭對DB25公頭

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BLACKBOX-IC478A-M-R2 Async RS-232 to RS-485 Interface Converter, DB25 Male to DB25 Male RS-232轉RS-485轉換器, DB25公頭對DB25公頭

5220445

商品編號: BLACKBOX-IC478A-M-R2

BLACKBOX-IC478A-M-R2 Async RS-232 to RS-485 Interface Converter, DB25 Male to DB25 Male RS-232轉RS-485轉換器, DB25公頭對DB25公頭

Convert your high-speed RS-232 applications to RS-485!

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★★★★商品說明★★★★

Description

Async RS-232 to RS-485 Interface Converter, DB25 Male to DB25 Male

Quick Facts

Provides async data rates up to 115.2 kbps over two or four wires.

Half- or full-duplex operation over two or four wires.

Point-to-point or multipoint operation.

Distances up to 9 miles (14.4 km).

Operates with or without transmit “echo.”

Two-wire half-duplex turnaround controlled by the RS-232 RTS signal.

Further Details

NOTE: Maximum distance for this converter depends on cable and data transmission rates. For more information on distance limitations for your application, contact our FREE Tech Support.

This product works with:
　

CAT5 100-MHz Solid-Conductor Cable, 4-Pair, Straight-Pinned (EYN550MS, EYN737MS)
　

CAT5 100-MHz Unshielded Solid-Conductor Bulk Cable, 2-Pair (EYN717A)
Questions? Contact our FREE Tech Support.
　

Technical Specifications for Async RS-232 to RS-485 Interface Converter, DB25 Male to DB25 Male:

Cable Required — Unconditioned twisted pair between converters: 2 or 4 wires (1 or 2 pairs)
Data Format — Transparent
Distance (Maximum) — Between RS-232 device and converter: 50 ft. (15.2 m), but converters not directly attached will be underpowered;
Between non-RS-232 device and converter: 9 mi. (14.4 km)
Enclosure — ABS plastic
Environmental Operation — Temperature: 32 to 122º F (0 to 50º C);
Humidity: 5 to 95% noncondensing
Hardware Flow Control Signaling — Raise DSR in response to DTR; raise CD in response to carrier; raise CTS in response to RTS (after no delay or 8-ms delay, user-selectable); carrier is either constantly on or controlled by RTS, user-selectable
Operation — Transparent to 2-wire half-duplex or 4-wire full- or half-duplex
Protocol — Asynchronous
Software Flow Control — Transparent
Speed (Maximum) — Transparent to 115.2 kbps
Surge Protection — Internal Silicon Avalance Diodes dissipate surges up to 600 watts per wire within 1 ms
User Controls — (1) DTE/DCE slide switch and (1) internal 8-position DIP switch for configuration
CE Approval — Yes
Interface — To devices: RS-232: Original pinning on DB25, DTE or DCE (user-selectable);
To line: 2- or 4-wire RS-485
Power — From the RS-232 data and control signals
Size — 2.7"H x 2.1"W x 0.8"D (6.9 x 5.3 x 2 cm)