Black Box SW545A, Руководство пользователя, Страница: 7 / 64

8
PORT MANAGER SWITCHES
Compliance — FCC Class A, IC Class/classe A
Interfaces — Proprietary modular serial, compatible with EIA
RS-232 (DTE)
Protocol — Asynchronous
Code Set — ASCII
Data Format — Either 8 data bits, no parity, or 7 data bits, even or
odd parity; either 1 or 2 stop bits (independently
user-selectable for each port)
Flow Control — DTR/CTS (hardware), X-ON/X-OFF (software), or
both (independently user-selectable for each port)
Operation — Full duplex (command echo) or half-duplex (no echo),
user-selectable
Data Rate — 38,400, 19,200, 9600, 4800, 2400, 1200, or 300 bps
(independently user-selectable for each port)
Maximum
Distance —
Up to 150 ft. (45.7 m); might be less if you use flat-
Internal Memory — 256 KB battery-backed, autoconfiguring, dynamically
allocated buffer SRAM on SIMMs (or DIPs in some
units); units with 512 KB are available as special
quotes
1. Specifications