Click on the thumbnails to enlarge them …
This "Octopus" cable separates the eight serial ports from the 62-signal combination connector. Each port is available on a DB25 male connector. The connector is equipped with bolts to direct fixing to a serial device.
RxD(3), TxD(2), CTS(5), RTS(4), DTR(20), GND(7), DCD(8), DSR(6)
Screws (bolts) like cable to modem