153
M
a
in
te
n
a
n
ce
· Silicon disk size
: Cp = 8,000,000 [KB]
· Write target area size
: Da [Byte] = 8,000,000 [KB]
· Write target block
: DaB [block] = 16,000 [blocks]
· Rewrite data size
: X [KB]
· Rewrite frequency per hour : Z [no. of times/hour]
· Operating time per day
: H [hours]
· Operating days per year
: D [days]
· Number of blocks used for 1 rewrite of data size X:
A=ROUNDUP(X / 512 [KB])
4 = [No. where decimal point of X / 512 [KB] is rounded up]
4
* Rewrite life [Years] (reference value) = (100,000 times
DaB) / (Z
A
H
D).
6.3.2 Service Menu
The following FC98-NX Series Support Pack maintenance pack is offered. Three service types
can be selected.
1) On-site repair service
A service engineer visits the installation site and repairs the system when a problem occurs.
2) Pick-up repair service
A company assigned by NEC picks up the device and delivers the repaired one.
3) Delivery repair service
The customer sends the device with a failure to our repair center for repair.
Содержание ShieldPRO N22A
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Страница 171: ...171 Appendices ...
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Страница 173: ...NEC Factory Computer FC NOTE Series N22A User s Manual Ver 1 May 2008 AM1 000859 001 ...