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2.
INITIAL CPU-56 SET UP
Make sure that you have turned off the AC power switch.
Connect the exchange, terminal boards and stations.
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.
Are Data Transmitting and Receiving Units connected ?
YES
Remove CPU-56 from the exchange.
Set function selection switches (SW-A ~ SW-E) for
required functions.
Insert the CPU-56 into the exchange.
Put all 4 "link select" switches of the HCU unit upward.
(Link No.15)
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
Memory is normal
Some errors in memory
SIGNAL CODE indication
Place program switch on front panel of the CPU "ON".
continue
Set mini-jumper, (JP1) for battery from OFF to ON position.
Lighted lamps of LINE ADDRESS
LEDs indicate errorneous MEMORY
ICs. See Section 3 (Page13).
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