PCB Piezotronics Larson Davis SoundAdvisor NMS044, Reference Manual

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NMS044 Reference Manual Updating NMS044 for Modem Low Power A-8
A.4 Updating NMS044 for Modem Low Power
When enabled for modem low power, the gateway is powered down except when the 831C
SLM powers it on to send alert notifications. If this pattern of use is consistent with your
requirements, modem low power can extend the system power supply.
This feature requires the CBL222LP gateway power cable from Larson Davis, and 831C SLM
firmware version 4.5 or later, as explained in the following sections.
Before you begin:
• Check the cable tag (label) near the preamp end of your 831C. If the cable is
“CBL222LP-XX,” the system is equipped to use this feature; jump to
A.4.3
Enabling Modem Low Power . If the cable is “CBL222-XX,” complete each
section below in the order it’s presented to upgrade your system.
In this section:
• A.4.1 Installing the Modem LP Cable
•
A.4.3 Enabling Modem Low Power
A.4.1 Installing the Modem LP Cable
Step 1.
Contact your Larson Davis representative (or Larson Davis, as shown on the
back cover of this manual) to order the modem low power cable (CBL222LP).
Step 2.
Open the system case and replace CBL222 with CBL222LP. For reference, see
Figure 2-1 on page 10 .
A.4.2 Upgrading 831C SLM Firmware
If you purchased your NMS system some time ago, Larson Davis periodically releases
firmware upgrades with significant security and feature benefits, such as modem low
power.
To take advantage of these benefits, install the latest version of G4 LD Utility, connect your
831C to your PC, and upgrade your SLM firmware, as shown in the SoundAdvisor 831C
Manual.
To locate and install the latest version of G4, navigate in a browser to
www.LarsonDavis.com/G4