Comtech EF Data SNM-1002 User Manual
Page 35
SNM-1002 LinkSync
Modem
Revision 2
Installation
MN/SNM1002.OM
2–5
Item No.
Cable Description
From
To
1
Comtech EF Data
Supplied
FASTCOM Card
CA/5684
2
CA/5684
Supplied Y-Cable
Port 1 of the SNM-1001
3
EIA-232
MIDAS Controller COM 2
SNM-1002 Remote port (J6)
4
EIA-232
MIDAS Controller COM 1
SNM-1001Remote port (J6)
2.2.2
Redundant LinkSync (Network Control) Modem Installation
A typical redundant wiring schematic is included to assist the user in establishing a
redundant configuration. The following table can assist the user in cable selection and
location. One or both of the 1:1 redundant configurations can be installed in a MIDAS
System. Figure 2-3 shows both Network Control Modem and LinkSync Modem
Redundancy.
Item No.
Cable Description
From
To
1
CA/5684
MIDAS Controller
SMS-301 J1 COM
2
EIA-422 37-pin
SMS-301 (J2)
SNM-1001(A) (J8)
3
EIA-422 37-pin
SMS-301 (J3)
SNM-1001 (B) (J8)
4
BNC
SMS-301 (J4) (TX-IF)
Combiner
5
BNC
SMS-301 (J8) (RX-IF)
Combiner
6
BNC
SMS-301 (J9) A
SNM-1001(A) CP2 TX/IF
7
BNC
SMS-301 (J6) B
SNM-1001(B) CP1 TX/IF
8
BNC
SMS-301 (J7) B
SNM-1001(B) CP2 RX/IF
9
BNC
SMS-301 (J5) A
SNM-1001(A) CP1 TX/IF
10
EIA-232 9-pin
Ribbon Cable
SMS-301 (J13)
Modem COM
SNM-1001(A) (J6) Remote
SNM-1001(B) (J6) Remote
Ne
twor
k Contr
o
l M
o
de
m
11
EIA-232
SMS-301 (J10)
Remote Control
MIDAS Controller COM1
12
EIA-422 37-pin
SMS-301 (J2)
SNM-1002 (A) Data I/O
13
EIA-422 37-pin
SMS-301 (J3)
SNM-1002 (B) Data I/O
14
EIA-232 9-pin
Ribbon Cable
SMS-301 (J13)
Modem COM
SNM-1002(A) (J6) Remote
SNM-1002(B) (J6) Remote
15
BNC
SMS-301 (J9) A
SNM-1002 A) CP2 RX-IF
16
BNC
SMS-301 (J8) RX-IF
Combiner
17
BNC
SMS-301 (J4) TX-IF
Combiner
18
BNC
SMS-301 (J5) A
SNM-1002(A) CP1 TX-IF
19
BNC
SMS-301 (J7) B
SNM-1002(B) CP2 RX-IF
20
BNC
SMS-301 (J6) B
SNM-1002(B) CP1 TX-IF
LinkSync
M
o
de
m
21
EIA-232
SMS-301 (J10)
Remote Control
MIDAS Controller COM2