Procedure
iSCB CPU PCBA Removal
1.
Disconnect the 9-pin serial port (ribbon cable) connector from the CPU PCBA.
2.
Remove the 4 screws from the CPU PCBA.
3.
Pull the PCBA to disengage the 28-pin connectors between the two PCBAs.
iSCB I/O, Network PCBA Removal
4.
Peel one side of the film tape that secures the ribbon cable to the PCBA. Place the ribbon cable to the side of
the iSCB module.
5.
Remove the 3 screws from the I/O, network PCBA.
GreenBlade
COM
Plugs into 9-pin connector on CPU board
002-00374C - iSCB Module
(SR5110/SR8204/SR8116)
PCBA - CPU board
(22309-0005-04)
PCBA - I/O network board
(22302-0313-01)
Pan Screws
Midplane edge connectors
28-pin connectors
22901-0225-00
(6-32 X 5/16)
Ribbon cable may be taped
to I/O network board
Serial port cable assembly
(male DB-9 to 10-pin)
6.
Remove the I/O, network PCBA. Remove the piece of film tape and use it to secure the ribbon cable to the
replacement PCBA.
Subrack Parts Replacement Procedures
HR90-2009
43
CS400-AC Hardware Replacement Procedures