Black Box RS-485 Modem User Manual


 
CUSTOMER
SUPPORT
INFORMATION
Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX
FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: info@blackbox.com
AUGUST 1997
ME840A-M
ME840A-S
MD3317
MD3318
Short-Haul Modem-FSK
RS-485 Modules
CD
SHM-FSK
RxD
TxD
LPBK
PWR
R
R