3746-900 FRU List
FRU
Code
Type
FRU name
Text
CABB
780
Cable
Cable from SIE cassette to SAC in the Multiaccess Enclosure. This cable is
suspected. In order to more precisely identify the defective FRU, go to “MAP
2655: 3746-900 Cable From SIE to SAC in Multiaccess Enclosure” on
page 2-56.
CABC
6C0
Cable
Cable power signals/control from SPD1 to SPD2. This cable is suspected. In
order to more precisely identify the defective FRU, go to “MAP 2645:
3746-900 Cable From DCDP to SPD1” on page 2-54.
CABD
6D0
Cable
Cable power signals/control from SPD1 to panel. This cable is suspected. In
order to more precisely identify the defective FRU, go to “MAP 2650:
3746-900 Signal Power cable from SPD1 to the Control Panel” on
page 2-55.
CABM
770
Cable
Cable between LIC11 and LCBB. This cable is suspected. In order to more
precisely identify the defective FRU, go to “MAP 2820: 3746-900 Problem on
a LIC11” on page 2-115.
CAB4
640
SL Cable
The 3746-900 service logic is suspected. In order to more precisely identify
the defective FRU, go to “MAP 2630: 3746-900 Service Logic Problem” on
page 2-45.
CBC
430
CBC
Controller bus coupler. Go to “MAP: 3746-900 FRU Exchange” on
page 1-34.
CBSP
850
8A0
CBSP
CBSP2
CBSP3
Controller bus and service processor Go to “MAP: 3746-900 FRU Exchange”
on page 1-34.
CLP
820
870
CLP
CLP3
Communication line processor. Go to “MAP: 3746-900 FRU Exchange” on
page 1-34.
CSCE
200
CSCE
Connectivity switch cable extension cassette. Go to “MAP: 3746-900 FRU
Exchange” on page 1-34.
CS
580
CS
Connectivity switch. Go to “MAP: 3746-900 FRU Exchange” on page 1-34.
DCDC
290
DCDC for
Processor
Go to “MAP: 3746-900 FRU Exchange” on page 1-34.
DCDP
210
DCDP
Direct Current power distribution board Go to “MAP: 3746-900 FRU
Exchange” on page 1-34.
DCPW
240
DCPW
Direct current power distribution box. Go to “MAP: 3746-900 FRU
Exchange” on page 1-34.
DCSW
2A0
DCDC for CS
Go to “MAP: 3746-900 FRU Exchange” on page 1-34.
DMSW
11C
DMSW
3745 Direct memory switch card. Exchange the CBC first if it is also in your
FRU list (whatever its fault probability is). Refer to “MAP: 3746-900 FRU
Exchange” on page 1-34. If you have already changed the CBC and if the
problem is still present, exchange the DMSW card by using the
IBM 3745
Communication Controller Models 210 to 61A, Maintenance Information
Procedures, SY33-2054 for 3745 models 21A to 61A, or the IBM 3745 Com-
munication Controller Models 130 to 17A, Maintenance Information
Procedures, SY33-2070 for 3745 model 17A.
DRW1
250
Fan Drawer 1
(Fans 1 and 2) Go to “MAP: 3746-900 FRU Exchange” on page 1-34.
DRW2
250
Fan Drawer 2
(Fans 3 and 4) Go to “MAP: 3746-900 FRU Exchange” on page 1-34.
DRW3
250
Fan Drawer 3
(Fans 5 and 6) Go to “MAP: 3746-900 FRU Exchange” on page 1-34.
DSKP
470
HDD of MAE
System card
Hardware disk drive located on the multiaccess enclosure system card. For
exchanging this FRU, refer to the
Multiaccess Enclosure Installation and
Maintenance manual.
ENCL
340
Enclosure
Go to “MAP: 3746-900 FRU Exchange” on page 1-34.
ESCC
410
ESCC
ESCC2
Enterprise system connection coupler. ESCC and ESCC2 are identified by
EC. Use “MAP: 3746-900 FRU Exchange” on page 1-34.
Chapter 1. START
1-31
Summary of Contents for FlashSystem 900
Page 1: ...3746 Nways Multiprotocol Controller Model 900 Service Guide SY33 2116 02...
Page 2: ......
Page 3: ...3746 Nways Multiprotocol Controller Model 900 Service Guide SY33 2116 02...
Page 14: ...xii 3746 900 Service Guide...
Page 16: ...xiv 3746 900 Service Guide...
Page 22: ...xx 3746 900 Service Guide...
Page 29: ...Safety Figure 0 3 Ground Wire Connection On Controller Expansion SAFETY xxvii...
Page 60: ...Safety lviii 3746 900 Service Guide...
Page 61: ...Safety SAFETY lix...
Page 62: ...Safety lx 3746 900 Service Guide...
Page 63: ...Safety SAFETY lxi...
Page 64: ...Safety lxii 3746 900 Service Guide...
Page 65: ...Safety SAFETY lxiii...
Page 66: ...Safety lxiv 3746 900 Service Guide...
Page 67: ...Safety...
Page 68: ...Safety lxvi 3746 900 Service Guide...
Page 69: ...Safety SAFETY lxvii...
Page 70: ...Safety lxviii 3746 900 Service Guide...
Page 71: ...Safety...
Page 72: ...Safety lxx 3746 900 Service Guide...
Page 73: ...Safety SAFETY lxxi...
Page 74: ...Safety lxxii 3746 900 Service Guide...
Page 75: ...Safety SAFETY lxxiii...
Page 76: ...Safety lxxiv 3746 900 Service Guide...
Page 77: ...Safety SAFETY lxxv...
Page 78: ...Safety lxxvi 3746 900 Service Guide...
Page 92: ...Safety xc 3746 900 Service Guide...
Page 94: ...Safety xcii 3746 900 Service Guide...
Page 129: ...3746 900 FRU Exchange 010 continued Go to MAP Ready LED ON on page 1 52 Chapter 1 START 1 35...
Page 276: ...3746 900 MAPs Figure 2 6 CP2 Circuit 2 18 3746 900 Service Guide...
Page 325: ...3746 900 MAPs 026 continued Go to Step 014 on page 2 65 Chapter 2 MAPs for FRU Isolation 2 67...
Page 340: ...3746 900 MAPs 113 continued Go to Step 001 on page 2 68 2 82 3746 900 Service Guide...
Page 414: ...Service Processor MAPs 2 156 3746 900 Service Guide...
Page 484: ...FRU Exchange Figure 4 16 3746 Model 9x0 CBSP Cassette 4 18 3746 900 Service Guide...
Page 495: ...FRU Exchange Figure 4 23 3746 900 Rear of DC Power Box Chapter 4 3746 900 FRU Exchange 4 29...
Page 510: ...FRU Exchange Figure 4 39 3746 900 LIC16 Coupler 4 44 3746 900 Service Guide...
Page 520: ...FRU Exchange Figure 4 45 3746 900 Transformer Handling 4 54 3746 900 Service Guide...
Page 522: ...FRU Exchange 4 56 3746 900 Service Guide...
Page 542: ......
Page 545: ......