Fujitsu M10-4 Service Manual page 431

27.2 Before Maintaining an XSCF DUAL
Control Cable
This section describes the types and the flow of the maintenance of the XSCF DUAL
control cables.
Note - Read and understand the instructions in this chapter before starting the maintenance
work. Also see the contents of
27.2.1 Types of maintenance
Table 27-1
definition of maintenance, see
Table 27-1 Types of maintenance for the XSCF DUAL control cables
Cable connection destinations
Two SPARC M10-4S units
Two crossbar boxes
*: The XSCF must be configured as a slave before maintenance is started. If it is operating as the master XSCF, switch it to a standby
XSCF.
27.2.2 Maintenance flow
Table 27-2
control cables.
Table 27-2 Maintenance flow
Task
1
2
3
4
"Chapter 1 Before Starting Maintenance
lists the types of maintenance for the XSCF DUAL control cables. For the
"4.3 Understanding Types of
Active/hot Active/cold
Unsupported Supported
Supported (*) Unsupported
lists the sequence of the maintenance procedure for the XSCF DUAL
Preparation
Removing the XSCF DUAL control cables
Installing the XSCF DUAL control cables
Restoring the system
Inactive/hot
Unsupported
Unsupported
Chapter 27 Maintaining the XSCF DUAL Control Cables
Work."
Maintenance."
Inactive/cold System stopped
Supported Supported
Unsupported Supported
Replacement
27.3
27.4
27.5
27.6
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