Chapter 7
Installing Options
This chapter describes procedures to install or remove optional devices, and notes on using them.
IMPORTANT:
Optional devices described in this chapter may be installed or
removed by any user. However, NEC does not assume any liability
for damage to optional devices and malfunctions of the system
resulted from installation by the user. NEC recommends you ask
your service representative for installing or removing any optional
devices.
Be sure to use only optional devices and cables authorized by NEC.
Repair of the device due to malfunctions, failures, or damage
resulted from installing such devices or cables will be charged.