Safety
Appropriate service clearance and access are provided around the frames with external covers
opened.
Leave all external covers opened to allow further safety inspection steps.
2
Safety Labels
Check that:
All the safety labels are at the places indicated by letters in “Safety Label Locations” on
page lvii.
Each label is of the model corresponding to the letter as shown in “3745/3746-900 Safety Label
Identifications” on page lx.
3
Safety Covers and Shields
Referring to the FRU location (Chapter 4), check that:
All the safety covers are present and secured with screws.
All the voltage terminal boards (TBs) are protected by a plastic shield screwed on top of the TB.
4
Grounding (Earthing)
Note
In this book, "ground" means that the equipment must be connected to the earth.
a
Grounding on the 3745
Refer to YZ110 for grounding jumper/contact locations.
.
Check that:
Electrical continuity is assured between the frame ground and the terminals indi-
cated on the ground distribution diagrams.
Electrical continuity is assured between the 3745, frame grounds, and to the premises
grounding system, through the 3745 power cord.
b
Grounding on the 3746-900 and Controller Expansion to the Premises Grounding
System
Electrical continuity is assured between their frame ground and premises grounding
system through their power cords.
The 3746-900 is grounded to the 3745 via the power control cable (see Figure 0-1 on
page xx).
For the controller expansion, an additional ground wire
.A/
is also used (see Figure 0-2 on
page xxi, Figure 0-3 on page xxii, Figure 0-4 on page xxiii, or Figure 0-5 on page xxiv).
1
3745/3746-900 Power Control Cable
Check that the power ground cable is correctly connected in the 3745
.D/
and in the
3746-900
.C/
.
Safety
xix
Содержание 3745 130
Страница 2: ......
Страница 10: ...viii 3745 Models 130 to 17A MIP ...
Страница 16: ...xiv 3745 Models 130 to 17A MIP ...
Страница 23: ...Safety Figure 0 2 Ground Wire Connection on Controller Expansion Safety xxi ...
Страница 25: ...Safety Figure 0 4 Ground Wire Connection Between Controller Expansions at Less than Six Meters Safety xxiii ...
Страница 36: ...Safety Figure 0 12 Schutzleiteranschluß an der Erweiterung der Steuereinheit xxxiv 3745 Models 130 to 17A MIP ...
Страница 37: ...Safety Figure 0 13 Schutzleiteranschluß zwischen angeschlossenen Erweiterungen der Steuereinheit Safety xxxv ...
Страница 46: ...Safety xliv 3745 Models 130 to 17A MIP ...
Страница 47: ...Safety Safety xlv ...
Страница 48: ...Safety xlvi 3745 Models 130 to 17A MIP ...
Страница 49: ...Safety Safety xlvii ...
Страница 50: ...Safety xlviii 3745 Models 130 to 17A MIP ...
Страница 51: ...Safety Safety xlix ...
Страница 52: ...Safety l 3745 Models 130 to 17A MIP ...
Страница 53: ...Safety Safety li ...
Страница 54: ...Safety lii 3745 Models 130 to 17A MIP ...
Страница 55: ...Safety Safety liii ...
Страница 56: ...Safety liv 3745 Models 130 to 17A MIP ...
Страница 57: ...Safety Safety lv ...
Страница 58: ...Safety lvi 3745 Models 130 to 17A MIP ...
Страница 60: ...Safety Figure 0 22 3745 Label and Power Rating Plate Locations Front lviii 3745 Models 130 to 17A MIP ...
Страница 66: ...Safety lxiv 3745 Models 130 to 17A MIP ...
Страница 68: ...Preface lxvi 3745 Models 130 to 17A MIP ...
Страница 70: ...Amendments lxviii 3745 Models 130 to 17A MIP ...
Страница 154: ...3745 MAPs 1 84 3745 Models 130 to 17A MIP ...
Страница 200: ...Service Processor MAPs 2 46 3745 Models 130 to 17A MIP ...
Страница 226: ...Diagnostics 3 26 3745 Models 130 to 17A MIP ...
Страница 253: ...FRU Exchange Location 01S Figure 4 31 3745 EPO Chapter 4 3745 FRU Exchange 4 27 ...
Страница 332: ...CE leaving procedure 4 106 3745 Models 130 to 17A MIP ...
Страница 338: ...Maintenance Aids A 6 3745 Models 130 to 17A MIP ...
Страница 354: ...Abbreviation X 6 3745 Models 130 to 17A MIP ...
Страница 359: ......
Страница 360: ...IBM Part Number 03F5017 Printed in Denmark by IBM Danmark A S ð3F5ð17 SY33 2ð7ð ð9 ...
Страница 361: ...Spine information IBM Models 130 to 17A IBM 3745 Communication Controller Maintenance Information Procedures ...