产品名称：BLACK BOX ME840A-S
型号：ME840A-S
品牌：BLACK BOX
描述： Extreme tolerance to EMI/RFI! Frequency Shift Carrier operates above most industrial noise.
Totally transparent to data.
Tran***its full-duplex up to 3.8 miles (6.1 km) at speeds up to 9600 bps.
规格：
Point-to-point and multipoint operation.
Optional RS-485 and RS-422 modules ***ailable (see "Related Products" in previous window).
If your industrial work environment is noisy, you can squelch the interference with the BLACK BOX? Short-Haul Modem–FSK (SHM–FSK).
Tran***it RS-232 data reliably in factory or other EMI/RFI-he***y areas with the BLACK BOX? Short-Haul Modem–FSK (SHM–FSK).
This short-haul modem features Frequency Shift-Key operation, which provides high immunity to noise and interference, and it’s transparent to data and protocol. Adjust your SHM-FSK to changing line conditi***. Modulate between 100 and 156.5 KHz to send signals above harsh industrial noise.
The SHM–FSK also tran***its farther than most short-haul modems—up to 3.8 miles (6.1 km) either half-or full-duplex at 9600 bps.
For interfacing with 2-wire RS-485 or 4-wire RS-422 lines, order one of the optional modules ***ailable (see "Related Products" in previous screen).
This product works with:
2-Wire RS-485 Module (MD3317)
4-Wire RS-422 Module (MD3318)
Standard RS-232 Low-Noise Cable, 25-Conductor, Male/Male (ECM25T, ECM25C)
AT Modem Cable, Premium, DB9 Female/DB25 Male, 9-Conductor, 24 AWG (EVMTBMC, EVMBMC)
Questi***? Contact our FREE Tech Support.