Comtech EF Data SDM-300L - Manual (Page 35)

Installation SDM-300L Satellite Modem
2–14 Rev. 2
2.3.1.1 Data I/O Interface Connector (J8) Removal/Installation
Note: The following procedures outline the removal and installation of the Data I/O
connector (J8). These procedures are written with the assumption that the same
configured connector will be reinstalled. However, the operator does have an option to
install a different configured connector. Refer to Table 2-8 for a matrix explaining
connector options.
Table 2-8. Connector (J8) Matrix
Modem Configuration EIA-232 EIA-422/EIA449 V.35 Overhead
25-pin Connector X X X
34-pin Connector X
37-pin Connector X
50-pin Connector X X X X
2.3.1.1.1 Data I/O Connector (J8) Removal
1. (For Ribbon-Configured Connector PL/6031.) Remove Data I/O connector (J8)
(Figure 2-6) as follows:
a. Remove four screws securing the rear panel to the chassis.
b. Pull out rear panel to gain access to disconnect connector (J8).
c. Disconnect connector (J8) from the PCB.
d. Remove the four screws securing connector (J8) to the rear panel.
e. Remove the connector (J8).
2. Remove 50-pin Data I/O connector (J8) as follows:
a. Remove the four screws securing the connector (J8) to the rear panel.
b. Establish a grip on connector (J8) and pull backwards until separation of the
connectors is obtained.
c. Remove connector (J8).