Comtech EF Data SNM-1001 - Manual (Page 58)

SNM-1001 Network Control Modem Maintenance
Rev. 1 5–13
5.3 Module Identification
The modem PCBs each have an assembly number marked on the board. The latest
revision is stamped on the board, along with the serial number.
Comtech EFData tracks the hardware by the assembly number, revision, and serial
number.
CAUTION
When replacing a plug-on module, care must be taken to ensure proper
orientation of the card.
Refer to the individual sections on each module for location of the configuration
identification.
Refer to Table 5-1 for a list of part numbers and descriptions of various modules used in
the modem.
Table 5-1. Comtech EFData Part Numbers for Various Modules
Chassis Assembly Base Part #
Dash #
1
2
AS/5182-X
Description
AC, EFD, With Display
DC, EFD, With Display
RF Modulator Part #
Dash #
2
AS/3995-X
Description
75 Ω Modulator
RF Demodulator Part #
Dash #
2
AS/4401-X
Description
75 Ω Demodulator
Interface
EIA-422 AS/2524
5.4 Software Versions
S/W Version Firmware # Description of Change
1.1.1 3060-1- Original release.
2.1.1 3060-1A Added support for Doppler buffer and Comstream compatibility
for Modulator Type and Demodulator Type.
3.1.1 3060-1B Added sequential BPSK code rate support.
3.1.2 3060-1C Correctional changes.
4.1.1 3060-1D Added Modem Type to Utility menu to allow SDM-100 or SDM-
650 emulation.
4.1.2 3060-1E Correctional changes.
4.1.3 3060-1F Correctional changes.
5.1.1 3060-1G Added support for Fairchild compatibility.
5.1.2 3060-1H Correctional changes.
6.2.1 3060-1I Added support for SDM-51 compatibility.