3746-900 MAPs
004 (continued)
Are all voltages correct as indicated ?
Yes No
005
Exchange the DCDP. Go to
“3746-900 Maintenance Using a FRU
list” on page 1-28.
006
Go to Step 036.
007
The power ON sequence is controlled by the
3746-900.
Is the 3746-900's power sequence initiated by
a host connected to the 3746-900?
Yes No
008
The 3746-900's power sequence is con-
trolled by the service processor.
– Check on the Test 1 connector pin 31 if
'PWRHOLDCMD' line is at +5v. Refer to
YZ page 234 for test 1 pin assignment.
Is + 5v present on pin 31?
Yes No
009
– Check that the cable is correctly
plugged into the J8 connector on
SPD1 and into the J7 connector on
DCDP.
Is plugging correct?
Yes No
010
Plug the cable correctly and
restart the operation.
011
First exchange the SPS. Then if the
problem persits, exchange the SPD1.
Go to “3746-900 Maintenance Using a
FRU list” on page 1-28 for FRU
exchange.
012
– On the Test 2 connector on the DCDP,
check:
Pin 1 '3745 Presence' line. Must be ground
Pin 2 '3745 ON normal open' line.
Must be at +5v.
Pin 4 '3745 ON common' line.
Must be at +5v.
5 4 3 2 1
9 8 7 6
Test 2 Pin Assignment
Are all voltages correct as indicated?
Yes No
013
Check 3745 K3 or cable.
Chapter 2. MAPs for FRU Isolation
2-9
Содержание FlashSystem 900
Страница 1: ...3746 Nways Multiprotocol Controller Model 900 Service Guide SY33 2116 02...
Страница 2: ......
Страница 3: ...3746 Nways Multiprotocol Controller Model 900 Service Guide SY33 2116 02...
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Страница 29: ...Safety Figure 0 3 Ground Wire Connection On Controller Expansion SAFETY xxvii...
Страница 30: ...Safety Figure 0 4 Ground Wire Connection Between Attached Controller Expansions xxviii 3746 900 Service Guide...
Страница 31: ...Safety Figure 0 5 Ground Wire Connection Between Controller Expansions at less than Six Meters SAFETY xxix...
Страница 60: ...Safety lviii 3746 900 Service Guide...
Страница 61: ...Safety SAFETY lix...
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Страница 80: ...Safety G F F H E Figure 0 24 3745 Label and Power Rating Plate Locations Front lxxviii 3746 900 Service Guide...
Страница 92: ...Safety xc 3746 900 Service Guide...
Страница 94: ...Safety xcii 3746 900 Service Guide...
Страница 129: ...3746 900 FRU Exchange 010 continued Go to MAP Ready LED ON on page 1 52 Chapter 1 START 1 35...
Страница 246: ...3746 900 Procedures 10 Click on OK in the following window 11 Return where do you come from 1 152 3746 900 Service Guide...
Страница 274: ...3746 900 MAPs 3746 900 48v DC DISTRIBUTION Figure 2 5 48 Volts DC Distribution 2 16 3746 900 Service Guide...
Страница 276: ...3746 900 MAPs Figure 2 6 CP2 Circuit 2 18 3746 900 Service Guide...
Страница 325: ...3746 900 MAPs 026 continued Go to Step 014 on page 2 65 Chapter 2 MAPs for FRU Isolation 2 67...
Страница 340: ...3746 900 MAPs 113 continued Go to Step 001 on page 2 68 2 82 3746 900 Service Guide...
Страница 414: ...Service Processor MAPs 2 156 3746 900 Service Guide...
Страница 484: ...FRU Exchange Figure 4 16 3746 Model 9x0 CBSP Cassette 4 18 3746 900 Service Guide...
Страница 491: ...FRU Exchange R e a r S i d e Figure 4 21 3746 900 Connectivity Switch and DCDC Chapter 4 3746 900 FRU Exchange 4 25...
Страница 495: ...FRU Exchange Figure 4 23 3746 900 Rear of DC Power Box Chapter 4 3746 900 FRU Exchange 4 29...
Страница 510: ...FRU Exchange Figure 4 39 3746 900 LIC16 Coupler 4 44 3746 900 Service Guide...
Страница 520: ...FRU Exchange Figure 4 45 3746 900 Transformer Handling 4 54 3746 900 Service Guide...
Страница 522: ...FRU Exchange 4 56 3746 900 Service Guide...
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