Comtech EF Data CDM-600L User manual

Part Number MN/CDM600L.IOM Revision 2
IMPORTANT NOTE: The information contained in this document supersedes all previously published
information regarding this product. Product specifications are subject to change without prior notice.
CD
M
-
600L
Open Network Satellite Modem (2.4 kbps – 20 Mbps
)
Installation and Operation Manual
For Firmware Version 1.3.0 or hi
g
he
r
(
see New in this Release
–
Section 1.5
)

s:\tpubs\manuals\released_word\modems\cdm600l_rev2\errata\mn-cdm600l-ea2.doc 1
Errata A
Comtech EF Data Documentation Update
Subject: Changes to 15.7 Miscellaneous
Date: March 30, 2005
Original Document
Part Number/Rev:
MN/CDM600L.IOM Rev 2
Errata
Part Number:
MN/CDM600L.EA2
This information will be incorporated into the next revision.
Change Specifics:
Changed from:
Dimensions 1U high, 12 inches (305 mm) deep
To:
Dimensions 1U high, 18 inches (457 mm) deep
Note: The dimensional envelope drawing in Chapter 4 is correct.

s:\tpubs\manuals\released_word\modems\cdm600l_rev2\errata\errata b.doc 1
Errata B
Comtech EF Data Documentation Update
Subject: Changes to power consumption and fuse information
Date: April 25, 2005
Document: CDM-600L Satellite Modem Installation and Operation Manual,
Rev.2, dated March 9, 2005
Part Number: MN/CDM600L.EB2
Collating Instructions: Attach this page to page x
Comments:
This information will be incorporated into the next revision.
Change Specifics:
FUSES
The CDM-600L Satellite Modem is fitted with two fuses, one each for line and neutral
connections. These are contained within the body of the IEC power connector, behind a small
plastic flap.
• Use T5.0A, Slow blow fuse, P/N FS/5ASB-IEC.
The DC CDM-600L Satellite Modem is fitted with two fuses – one each for positive and
negative connections. These are contained within the body of the power inlet , behind a
small plastic flap.
• For 38 to 60 VDC operation, use T2.0A, 20mm fuses if the modem has no BUC
power supply.
• For 38 to 60 VDC operation, use T8.0A, 20 mm fuses if the modem is fitted with
internal BUC power supply.
IMPORTANT
For continued operator safety, always replace the fuses with the
correct type and rating.

s:\tpubs\manuals\released_word\modems\cdm600l_rev2\errata\errata c.doc 1
Errata C
Comtech EF Data Documentation Update
Subject: Change AUPC Target Eb/No Limit
Date: November 23, 2005
Document: CDM-600L Revision 2, Open Network Satellite Modem, Installation
and Operation Manual, dated March 9, 2005
Part Number: MN/CDM600L.EC2
Collating Instructions: Attach this page to page 16-23
Comments:
The following changes affects the values shown on page 6-10 and 16-23.
Change Specifics:
Change to AUPC Target Eb/No Parameter
Since Revision 2 of the CDM-600L Manual was published, the range of the value of target Eb/No has
been increased. Effective in firmware version 1.4.0 and subsequent:
• Previously the maximum value was 9.9 dB
• New maximum value is 14.9 dB.
This affects the front panel and the remote control, refer to the remote control command table for more
detail.

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AUPC
Parameters
APP= 6 bytes Command or Query.
Defines AUPC operating parameters. Has the form abc.cd,
where:
a=Defines action on max. power condition.
(0=do nothing, 1=generate Tx alarm)
b=Defines action on remote demod unlock.
(0=go to nominal power, 1=go to max power)
c.c=target Eb/No value, for remote demod, from 0.0 to
14.9 dB, where numbers above 9.9 use hex
representation for the 1 st character, ie 14.9 is
coded as E.9.
d =Max increase in Tx Power permitted, from
0.0 to 9.0 dB
Example: APP=015.67 (Sets no alarm, max power, 5.6 dB
target Eb/No and 7 dB max power increase.
APP=
APP?
APP*
APP#
APP? APP=abc.cd
(see description of
arguments)

CDM-600L
Open Network Satellite Modem (2.4 kbps – 20 Mbps)
Installation and Operation Manual
For Firmware Version 1.3.0 or higher
(see New in this Release – Section 1.5)
Part Number MN/CDM600L.IOM
Revision 2
March 9, 2005
Copyright © Comtech EF Data, 2003. All rights reserved. Printed in the USA.
Comtech EF Data, 2114 West 7th Street, Tempe, Arizona 85281 USA, 480.333.2200, FAX: [phone]
Comtech EF Data is an ISO 9001
Registered Company.

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