User's Manual

UHF Fibre-Fed Remote Site
User Handbook
Handbook N.-60-137601HBK Issue No:-1
Date:-18/03/2005
Page:-
21 of 38
4.2.3 Drg. N. 10-000901, 0-15dB Switched Attenuator General Assembly Drawing
BYDAT EDESCRIPTIONNo
ISSUE
USED ON
Fax [phone]
Little Chalfont(0494)763636
England
Aerial Facilities Ltd
ISSCUSTO MER DRG.No
TITLE
SCALE
TWO DECIMAL PLACES ± 0.1mm ONE DECIMAL PLACE ± 0.3mm NO DECIM AL PLACE ± 1mm TO L ERANCES
BY AERIAL FACIL ITIES LTD. PERMISSIBLE ONLY IF EXPRESSLY AUTHORISED IN WRITING REPRO DUCTIO N OR USE OF THIS DESIGN BY OTHERS IS THIS IS A PROPRIETARY DESIGN OF AERIAL FACILITIES LTD.
UNLESS O THERWISE STATED
ALL DIMENSIONS ARE IN mm
APPD
CHKD
DAT EDRAWN
ATTENUATOR,0.25W,SWITCHED,0/15dB,ASSEMBLY
10-000901
1B
1:1
DJL
06/06/94
A 3
R17
R21
R9
R7
R8
R4
R3
R24
R1
R2
ATT1
R25
R6
R5
R23
ATT2
R19
R20
10- 0725- 3 I ss. 3
R15
R13
R14
R10
R16
R11
AFL
R12
ATT3
R18
ATT4
R22
R3
R2
R4
R7
R8
R10
R6
R9
R13
R14
R20
R16
R15
R12
R19
R22
R21
R18
ATT1 ATT2
R5
ATT3
R11
ATT4
R17
NOTES:
1 PRODUCTION ISSUE
6/6/94
DJL
1. USE THE FOLLOWING PROCEDURE TO FIT SWITCH, ITEM 11: INSTALL SWITCHES USING ONE NUT ONLY (ON OUTSIDE) ENSURE NUT IS FITTED WITH FLAT SIDE TO CASE.
FIT PCB (ITEM 1) AS SHOWN ALLOWING SWITCH PINS TO PROJECT
SOLDER PINS TO BOARD USING ITEM 26 2. INSTALL CONNECTORS, ITEM 9, USING ITEM TO COMPLETE ALL SOLDERING
26
4
920
521 11
11820
9
41
IN 2 POSNS IN 4 POSNS
VIEW WITH COVER REMOVED
DO NOT TIGHTEN NUT AT THIS STAGE. THRO' BOARD. TIGHTEN DOWN PCB AND SWITCH FIXINGS.
1A PRODUCTION ISSUE (CR0962)
20/1/99
SEW
1B
PCB ISSUE No CORRECTED
30/3/01
MRB
MRB GB