Contents | iii
1/3 Rack Block Downconverters (Option 17)
DNB1-XTR, Rev.N, 8/14/2012
®
2/28/08: REV.C TO REV.D
(CONTINUED)
PG.21
-
ADDED
AT1
TO
ATT
AND
AN1
TO
ATN
IN COMMAND CODE SUMMARY
PG.21
-
ADDED
AT2, AN2, BFR
AND
SLP
TO COMMAND CODE SUMMARY
PG.22
-
ADDED
OR AT1
TO
UNIT ATTENUATION
PG.23
-
ADDED
OR AN1
TO
UNIT ATTENUATION WITHOUT LOG
PG.23
-
ADDED
AT2
COMMAND
PG.24
-
ADDED
AN2
COMMAND
PG.24
-
ADDED
BFR
COMMAND
PG.27 - ADDED REFERENCES TO SECOND ATTENUATOR TO
COM
COMMAND
PG.27 - CHANGED
LBAND
TO
NOT APPLICABLE
IN
COM
COMMAND
PG.29 - CHANGED
LBAND
TO
NOT APPLICABLE
IN
IFS
COMMAND
PG.30
-
ADDED
EVENT 34
TO EVENT LOG TABLE
PG.30-31 - ADDED REFERENCES TO SECOND ATTENUATOR TO
MEM
COMMAND
PG.31 - CHANGED
LBAND
TO
NOT APPLICABLE
IN
MEM
COMMAND
PG.32
-
ADDED
0000 TO 4095 ADJUSTMENT
TO
REF
COMMAND
PG.33 - ADDED REFERENCES TO SECOND ATTENUATOR TO
SET
COMMAND
PG.33 - CHANGED
LBAND
TO
NOT APPLICABLE
IN
SET
COMMAND
PG.33
-
ADDED
SLP
COMMAND
PG.34
-
ADDED
Aaaa
AND
NOT APPLICABLE
FOR ATTENUATION 2 TO
STA
COMMAND
PG.36 - COMPLETELY REWROTE
CONNECTION
PARAGRAPH
6/4/08: REV.D TO REV.E
PG.5 - REVISED OPTION 1 PHASE NOISE TABLE
PG.22
-
e, f, h
AND
i
NOW HAVE SYSTEM FAULT STATUS DESCRIPTIONS
PG.30
-
ADDED
EVENT CODES
35
TO
47
8/4/08: REV.E TO REV.F
COVER - ADDED OPTIONS 2 AND 8
PG.55 - BLOCK 175015 REV.A TO REV.B
PG.59 - REMOVED
-R
FROM THE CRYSTAL OSCILLATOR PART NUMBERS
PG.61 - CHANGED CONTROL BOARD P/N FROM
174273
TO
165029-3
8/25/08: REV.F TO REV.G
PG.4 - CHANGED
GROUP DELAY
SPEC FROM
TYPICAL
TO
MAXIMUM
PG.4 - REMOVED STANDARD
AM/PM CONVERSION
SPEC
11/12/09: REV.G TO REV.H
PG.2
-
ADDED
DNB1-12.5TR
PG.3 - REMOVED
1/3 RACK 1:1
FROM
RSU
IN
CONNECTOR WIRING INFORMATION
PG.21
-
ADDED
AAL
COMMAND
PG.22
-
ADDED
AAL
COMMAND
PG.23
-
ADDED
e, f, h, i COMPONENT FAULT DESCRIPTIONS
PG.23 - ADDED SENTENCE CONCERNING
UPC INSTALLATIONS AND CONSTANTLY UPDATED
ATTENUATION
PG.29 - ADDED DESCRIPTION OF
EAD RESPONSE PARAMETERS
PGS.31-32 - COMPLETELY REVISED LIST OF
EVENT INDICATORS
PGS.57&58 - BLOCK DIAGRAM 175015 REV.B TO REV.E
PG.59
-
ADDED
DNB1-12.5TR
PG.60
-
ADDED
DNB1-12.5TR
PG.62
-
ADDED
DNB1-12.5TR
7/1/10: REV.H TO REV.J
PG.30
-
ADDED
FRN
COMMAND
PG.34
-
ADDED
MTN
COMMAND
PGS.57&58 - BLOCK DIAGRAM 175015 REV.E TO REV.F
PG.64 - ADDED FAN NOTE
6/6/11: REV.H TO REV.J
PGS.57&58 - BLOCK DIAGRAM 175015 REV.F TO REV.G
PG.62 -COMPLETELY REVISED POWER SUPPLY SPECS