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3.S SWITCH ARRANGEMENT
The functions and assignment procedures of the different switches on the circuit board of
the M2301/2302 are described below.
3.S.1
Drive Select (Device Number Selection)
The drive select switch is used to select one logical unit number up to a maximum of
4 devices. Of the 4 switches, you are to turn ON one relevant switch while turning
OF F the other 3. The device number selection procedures are shown in Table 3.2
and Fig. 3.8
Table 32 Device Number of Selection
Oevice Number
cSW3~
Key 8
Key 7
Key 6
Key 5
1
0
X
X
X
2
X
0
X
X
3
X
X
0
X
4
X
X
X
" ',,-·0.
."'''.'''''.
O:ON
X: OFF
SW3 (Mounting Location 8S)
3.S.2
Seek Complete
OFF
ON
_- _ ___ .-.oJ
I
5
.- _ ___ .-.oJ1
6
_. ___
~17
Key 5
Key 6
The figure at left shows
the method for selecting
Key 7
Device Number 1.
L -_ _ _
- .
8
Key 8
Fig. 3.8 Device Selecting Switch
When sending the seek COMPLETE (name: SEEK COMPLETE) onto the A cable of
the interface, turn ON Key 4 of SW3.
However, at this point, be sure not to leave DRIVE SE LECT Key 4 in the ON status
(See Fig. 3.9).
SW3 (Mounting Location 8S)
OFF
ON
r--- - --,
3
Key 3
L ____
..J
1...-_ _ . .
_ .
4
Key 4
r - - - --,
5
Key 5
L _ _ _ _ --'
The procedures shown in the figure
at left are to be used when sending
the SEEK COMPLETE signal on
theA cable.
Fig. 3.9 SEEK COMPLETE Switch
B03p·4605·0003A .... B
3·9
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