4-2 | Cyber Hardened IBUC 2, IBUC 2e, IBUC 2G, IBUC R, IBUC G Operations Manual: Operations
If power is supplied by the modem, ensure that the modem provides the correct DC
voltage and the DC power has been enabled.
• 10 MHz reference signal
Verify that the 10 MHz reference signal is present. Some IBUC
models have an
internal 10 MHz reference signal. If this option is not available, a 10 MHz
reference signal supplied on the IF cable from the modem is required.
Turning On the IBUC
To turn on the Cyber Hardened IBUC 2, IBUC 2e, IBUC 2G, IBUC R or IBUC G,
1. Connect the L-band input cable (J1), the M&C cable (J4), and the power cable (J3)
2. Apply power to the IBUC.
3. The Power LED on the side of the unit next to the J4 connector lights up.
A flashing green light indicates that the IBUC is operating normally.
A red light indicates only that a fault (or alarm) has occurred. (A flashing red light
indicates a minor alarm and a solid red light indicates a major alarm.)
4. Allow the unit to warm up for approximately 15 minutes before operating the
transmitter module. This will assure stable gain and power.
Setting Operating Parameters
To set operating parameters, the IBUC must be connected to a terminal (for example, a
terminal emulator such as Putty, or the Embedded Web Pages via a PC). Connect the
IBUC to the Ethernet port of a PC by using a TCP/IP cable assembly (such as the one
depicted in Figure D.2 on page D-3).
Most of the procedures below can be accomplished by using the steps provided in
Appendix B, Embedded Web Pages. For user creation and deletion only RS232 or
SSHv2 interfaces are available.
1. Establish a connection with the Cyber Hardened IBUC 2, IBUC 2e, IBUC 2G,
IBUC R or IBUC G by using either RS232 or SSHv2, described in Chapter 5,
Monitor and Control Features or by the steps provided in Appendix B, Embedded
Web Pages.
2. Set the Tx Output current state via TST command. See page C-45 for further
description. Output can assume one of the following values,
• Tx Disabled
• Tx Enabled, Not Muted
• Tx Enabled, Muted
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