Figure 1-2. typical nms configuration – Comtech EF Data SNM-1001 User Manual
Page 14
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SNM-1001 Network Control Modem
Introduction
Rev. 1
1–3
T RA N SM I T
R EC E I V E
TR A NS M I T
RE C EI VE
CO M M ON
ST O RE D
P O WE R O N
T RA N SM IT T ER O N
C A RR IE R DE T EC T
T ES T M O D E
A
L
A
R
M
S
F
A
U
L
T
S
E NT E R
C L E A R
S
D
T
- 1 2
0
0
S
A
T
E
L
L
I T
E
T
E
R
M
I
N
A
L
EN T ER
C L EA R
S
N
M
- 1
0
0
1
N
e
t w
o
r k
C
o
n
t r o
l
M
o
d
e
m
RFT
EIA-422
EIA-232
EIA-232
ETHERNET
OPERATOR
WORKSTATION
NMS
CONTROLLER
NETWORK CONTROL MODEM
(SNM-1001)
IF
(50-180 MHz)
LinkSync MODEM
(SNM-1002)
T M
OPTIONAL PRINTER
(USER SUPPLIED)
Figure 1-2. Typical NMS Configuration
TDMA INBOUND
TDN OUTBOUND
BURST
CONTINUOUS
NMS SITE
(SNM-1001)
REMOTE 1
(SNM-1000)
REMOTE 2
(SNM-1000)
REMOTE 3
(SNM-1010)
REMOTE 4
(SNT-1020)
Figure 1-3. Typical Network Control Channel Configuration
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