M8000 Series of BER Test Solutions Tips for Preventing Damage 9
Tips for Preventing Damage 1
 
Tips for connecting and removing M8042A connectors (External semi-rigid cable connection)
Connecting & disconnecting 1.85 mm cables (M8042-61621 / M8042-61622 / 
M8052A-801) 
Tools required to connect/disconnect the cable s
• 54964-03801 Counter Wrench: 2 mm thick, dual-ended, fits 6 mm and 
7 mm
• 8710-1765 Torque Wrench: 8lb-in, 5/16 Inch 
Table 5 Steps to connect / disconnect the cables
Avoid repeated bending of cables; a single sharp bend can damage a 
cable instantly.
Steps to be performed Reference image of the cable
Connecting the cables
Use the 54964-03801 wrench to hold 
at position 2. Avoid turning inner pin.
Use the 8710-1765 wrench to torque 
at position 1.
Disconnecting the cables
Use the 54964-03801 wrench to hold 
at position 2. Avoid turning inner pin.
Use the 8710-1765 wrench to loosen 
at position 1.