MDS 05-4846A01, Rev. D SD Series Technical Manual 7
Protected Network Station
The transceiver is available in a protected network configuration, known
as the SDxP (Figure 4), where x denotes the particular model of SD
transceiver installed inside the chassis (i.e., SD2, 4, 9, etc.).
The SDxP is a tabletop or rack-mount unit designed to hold two trans-
ceivers, two power supplies, and a switchover logic board that automat-
ically selects between transceiver A or B as the active unit. Manual
selection may also be made using a front panel switch.
Invisible place holder
Figure 4. Protected Network Station
With two transceivers and two power supplies installed, the unit con-
tinues to communicate even if a failure occurs in one of the transceivers,
or its associated power supply. This capability is important in mis-
sion-critical applications where uninterrupted service is required. Refer
to publication 05-4161A01 for detailed information on this product.
DIN Rail Mounting
Bracket Kit
Contains bracket for mounting the
transceiver to standard 35 mm DIN
rails commonly used in equipment
cabinets and panels.
03-4125A04
Reprogramming
Application for
Firmware Upgrade
Automated software program for
upgrading the radio’s internal
firmware code. This application is
under development at press time.
Check with your factory
representative for availability.
06-6241A01
Table 1. Accessories & Spare Items (Continued)
Accessory Description Part Number
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