Toa CPU-55, Руководство по установке

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2.
INITIAL CPU-55 SET UP
Make sure that you have turned off the AC power switch.
Connect the exchange, terminal boards and stations.
YES
Are Data Transmitting and Receiving Units connected ?
Remove CPU-55 from the exchange.
NO
Set mini-jumper (JP1) for battery from OFF to ON position.
Set function selection switches (SW-A ~ SW-E) for
required functions.
Insert the CPU-55 into the exchange.
Switch on the exchange.
Look at indication of LINE ADDRESS of HCU (14 LEDs) and SIGNAL
CODE indication (4 LEDs)
All LED lamps are out
SIGNAL CODE indication
F 4 2 1
Memory is normal
Some errors in memory
Lighted lamps of LINE ADDRESS
LEDs indicate erroneous MEMORY
ICs. See Section 3 (Page 8).
Place program switch on front panel of the CPU "ON".
to be continued
1. Connect Data Transmitting Unit
(DT-E11) and Data Receiving
Unit (DR-B61).
2. Set channel select switches
(CHANNEL SELECT) of
DT-E11.
3. Set word select switches (WORD
SELECT) of DR-B61.
Put all 4 "link select" switches of the HCU unit upward.
(Link No.15)
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