Comtech EF Data SNM-1001 - Manual (Page 25)

Installation SNM-1001 Network Control Modem
2–4 Rev. 1
2.3 External Modem Connectors
Connections between the modem and other equipment are made through five connectors.
These connectors are listed in Table 2-1 and their locations are shown in Figure 2-3. The
use of each connector is described in the following paragraphs.
Table 2-1. Rear Panel Connectors
Name Ref. Design Function Connector Type
AC POWER None AC Power Input Standard
DATA I/O J8 DATA Input/Output (I/O)
EIA-422/449 Various
37-pin D
AGC None AGC Test Point Test Point
FAULTS J7 FORM-C Fault Relay Contacts 9-pin Female D
REMOTE J6 Remote Interface 9-pin Female D
TX IF OUTPUT CP1 TX IF Output BNC
RX IF INPUT CP2 RX IF Input BNC
CHASSIS GND None Chassis Ground #10-32 Stud
Figure 2-3. SNM-1001 Rear Panel View
2.3.1 DATA I/O Interface (J8)
The DATA I/O interface connector is used to interface data input and output signals to
and from the modem. J8 connects to the customer terrestrial equipment directly, or
through a protection switch. The modem operates with a single interface configuration.
The DATA I/O interface is EIA-422/449.