Comtech EF Data SMS-301 - Manual (Page 31)

SMS-301 Redundancy Switch Installation
Rev. 3 2–9
2.3.2.4 Data I/O (J1, J2, J3) 37-Pin (PL/6201-1)
Note: For EIA-422/LVDS DVB (Serial or Parallel) Interface applications.
The 37–pin D subminiature connector has the pin assignments shown in Table 2-7.
Table 2-7. Connector Assignments, 37-Pin
Pin # Signal Function/Name Comment
1 Signal GND Mod/Demod
2 REF CLK/GND B REF CLK
3 MF Mod Fault
4 NC No Connection
5 NC No Connection
6 D0B Data
7 D1 B Data
8 D2 B Data
9 D3 B Data
10 D4 B Data
11 D5 B Data
12 D6 B Data
13 D7 B Data
14 Valid B Valid
15 SYNC B SYNC
16 NC No Connection
17 NC No Connection
18 NC No Connection
19 CLK A Clock
20 NC No Connection
21 REF CLK/GND A REF CLK
22 DF Demod Fault
23 NC No Connection
24 NC No Connection
25 D0 A Data
26 D1 A Data
27 D2 A Data
28 D3 A Data
29 D4 A Data
30 D5 A Data
31 D6 A Data
32 D7 A Data
33 Valid A Valid
34 SYNC A SYNC
35 NC No Connection
36 NC No Connection
37 CLK B Clock