3Com 10BASE-2 - Manual (Page 3)

To remove the faceplate:
1 Loosen the two captive screws securing the faceplate to the chassis.
2 Pull the faceplate away from the system.
Read if replacing
a module
You can replace a module while the system is powered on. Replacing the
module requires that you remove the attached cables from the module’s
ports prior to installing the new module.
To replace a module:
1 Disconnect the cables from the module’s ports.
2 Loosen the two captive screws securing the module to the chassis.
3 Pull the module out of the chassis.
The following figures show termination of unterminated BNC ports using
either a Y connector or a Feed-thru terminator.
Captive screw Faceplate
Power Run Processor Power Fan Temp Config Inserted
ERROR PCMCIA
LANplex 2500 R
Captive screw
Y terminator Unterminated
10BASE-2 (BNC)
option module
Green = Active
Yellow = Error
Board
Error
Port Status
Active
Error
1 2 3 4 5 6 7 8
Power Run Processor Power Fan Temp Config Inserted
ERROR PCMCIA
LANplex 2500 R
Unterminated
Board
Error
Port Status
1 2 3 4 5 6 7 8
Active
Error
Captive screw
BNC terminating plug