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5 unit parameters – Comtech EF Data CDM-750 User Manual

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CDM-750 Advanced High-Speed Trunking Modem

Revision 2

Serial-based Remote Product Management

MN-CDM750

7–18

7.5.5

Unit Parameters

Parameter

Type

Command

(Instruction

& Qualifier)

Number of

Arguments

Description of Arguments

Response to

Command

Query

(Instruction &

Qualifier)

Response to Query

Local/Remote
Status

LRS=

1 byte, value
of 0 thru 4

Command or Query.
Set or return the user’s Local/Remote status in the form x, where:

0 = Local
1 = Serial Remote (RS-232/RS-485)

2 = reserved
3 = Ethernet Remote

4 = Ethernet plus Serial

LRS defaults to Ethernet plus Serial (LRS=4)

Example: LRS=0 (selects Local)

LRS=
LRS?

LRS*
LRS#

LRS?

LRS=x
(see Description of

Arguments)

Software Boot

From Image

SBS=

1 byte, value

of 1 or 2

Command or Query.

Select or return which bulk firmware image to boot from, in the form x, where:
1 = Firmware is Image #1

2 = Firmware is Image #2

Example: SBS=1 (selects Image 1 Firmware)

SBS=

SBS?
SBS*

SBS#

SBS?

SBS=x

(see Description of
Arguments)

Current
Software
Image

N/A

1 byte, value
of 0 or 1

Query only.
Return the active software image in the form x, where:
0 = Bulk Image #1 currently active

1 = Bulk Image #2 currently active

N/A

IMG?

IMG=x
(see Description of
Arguments)

Circuit ID
String

CID=

4 to 24 bytes

Command or Query.
Set or return the user-defined Circuit ID string, selects 4 to 24 characters in length.


Valid characters include: [Space] ( ) * + – . / 0 thru 9 and A thru Z

CID=
CID?

CID*
CID#

CID?

CID=x
(see Description of

Arguments)

Date

DAY=

6 bytes

Command or Query.

Set or return a date in the form ddmmyy (European format), where
dd = day of the month (01 to 31)
mm = month (01 to 12)

yy = year (00 to38)

Example: DAY=240457 (April 24, 2057)

DAY=

DAY?
DAY*
DAY#

DAY?

DAY=ddmmyy

(see Description of
Arguments)

Time

TIM=

6 bytes

Command or Query.
Set or return the time in the form hhmmss, indicating the time from midnight, where:

hh = hours (00 to 23)
mm = minutes (00 to 59)
ss = seconds (00 to 59)


Example: TIM=231259 (23 hours:12 minutes:59 seconds)

TIM=
TIM?

TIM*
TIM#

TIM?

TIM=hhmmss
(see Description of

Arguments)