Toshiba THL Series Instruction Manual page 148

b) Square connectors: INPUT, OUTPUT, TP, HOST/TCPRG, COM1, BRK, HAND
Firstly, completely insert the cable side connector into the controller connector.
Then tighten the lock screws on both ends of the cable side connector with a
screwdriver. A loose screw can cause a contact failure or other accident. To
avoid this, make sure that the screws are clamped completely
To disconnect the connectors, first loosen the lock screws, then pull out the cable
side connector. BRK and HAND are quick-operated lock type connectors,
however.
Connector
Fig. 14.4 Connecting and disconnecting a square connector (TSL3000E)
TRANSPORTATION AND INSTALLATION MANUAL
Controller side connector
Cable side connector
148
Tighten.
Loosen.
STE 85356