.........

MULTI 7.1/232
19" multi channel converter
RS232c - Fiber Optic
full RS232c transfer

click to enlarge
TECHNICAL DATA user's manual

number of independent channels 12
max. data transfer rate 115 kb/s except RI - 56kb/s
max. line length 1 700 m /  62.5um
Fiber Optic line multimode, 820nm
transfered signals RxD, TxD, RTS, CTS, DSR, DTR, DCD, RI
or 5x RxD, TxD
RS232 signal connecting DCE/DTE
transfer mode asynchronous - full duplex
transfer mode Fiber Optic multiplex
connector RS232 RJ45
connector fiber optic ST (option SMA, SC, FC)
overvoltage (soft) protection - supply 600W/1ms
optical indication (LED) red           PWR
yellow       RxD
green       TxD
weight 2.10 kg
power supply 100 - 230V AC
power consumption max 20W
dimension 19" 1U 475 x 44 x 220 mm