Comtech EF Data CDM-600L, Installation And Operation Manual

Page: 169 / 206

CDM-60
0L Sat
ellite M
odem
Revisi
on 0
Remote Control
MN/CDM60
0L.
IOM
15–
17
Paramet
er
Ty
pe
Command
(Instruction
Code
and
Qualifie
r)
Arguments
for Command
or R
esponse
to Query
De
sc
ri
ption of
Ar
gume
nts
Re
sponse
to
Command
Quer
y
(Instruction
Code
and
Qualifie
r)
Re
sponse
to Que
ry
Rx Clock Source
R
C
K
=
1 by
te
, va
lu
e
of 0 thru
3
Command or Quer
y.
Rx Clock
Source (For Data R
ate Accur
acy
), where:
0=Rx Sat
ell
ite
1=Tx-Terrestr
ial
2=External Ref
erence Clo
ck
3=INS
E
RT (Val
id as
a
com
m
and onl
y wh
en
R
x fra
mi
ng
is
I
nse
rt
)
Exam
ple:
RCK=
1 (s
ele
cts Tx-Terrestrial)
RCK= RCK
?
RCK* RCK#
RCK
? RCK=x
(see des
cription
of
argum
ents
)
Extern
al C
lock
REF=
10 b
ytes
Command or Quer
y.
x=EXT C
L
K (D
ata Rate Accuracy
),
v
alu
e b
etween 2.4
kHz and
20
M
H
z.
y=
U
for Unbalanced, B for
Balanced.
Example: REF=10000.000U (Sel
ects 10MHz, U
nbalan
ced)
REF= REF
?
REF* REF#
REF
? REF=xxxxx.xxx
y
(see des
cription
of
argum
ents
)
Eb/No Alarm Point
EBA=
4 b
ytes
Command or Quer
y.
Eb/No alarm point in
dB, with
a r
ange b
etween 0
.1 and 16
dB.
Resolution=0
.1 dB
Example: EBA=12.3
EBA= EBA
?
EBA* EBA#
EBA
? EBA=xx.x
(see des
cription
of
argum
ents
)
Rx Buffer Size
RBS=
5 b
ytes
Command or Quer
y.
Rx Buffer Size,
16 to 32768
b
ytes,
in 2
-b
yte steps
, unless other
lim
itat
ions app
ly.
(See 6.3
.1.5)
Example: RBS=08192 (sel
ects 8
192 b
ytes)
RBS= RBS
?
RBS* RBS#
RBS
? RBS=xxxxx
(see des
cription
of
argum
ents
)
Rx Audio Volume Control
RVL=
4 b
ytes
Command or Quer
y.
(Audio/IDR
Parameters)
Rx Audio Volu
me control,
in
th
e form aabb, where:
aa=Rx
1 vo
lume contro
l in
dB, v
alues d
efin
ed below.
bb=Rx 2 vo
lume contro
l in
dB, v
alues d
efin
ed below.
V
alid v
alues
: -6,
-4,
-2,
+0
, +2
, +
4, +6
, +8
Exam
ple:
RVL=
-2+4
(s
ets
Rx 1
to -2 dB
and
Rx
2 to
+4 dB)
RVL= RVL? RVL* RVL#
RVL?
RVL=aabb
(see des
cription
of
argum
ents
)