Comtech EF Data CTOG-250 - Manual (Page 99)

CTOG-250 Comtech Traffic Optimization Gateway Revision 1
Quick Start Guide MN-CTOG250
6–15
6.6 Using the CTOG-250 in Redundancy Operations
6.6.1 CTOG-250 N:M Redundant Operation in a Vipersat Management
System (VMS)
• Sect. 2.2 Installation into a Rack Enclosure (Chapter 2. INSTALLATION)
•
MN/22156 Vipersat VMS v3.9.x Vipersat Management System User Guide
The installation of VMS-enabled CTOG-250 N:M redundancy in an Advanced VSAT Network
involves the physical installation, interconnection, and grouping of the Unit A and Unit B
CTOG-250s, and the logical grouping of managed units using the VMS Redundancy Manager.
The user must meet following requirements must to operate a VMS-enabled CTOG-250 N:M
redundancy system:
1. N:M Redundancy is only applicable to Hub devices that are not expansion units.
2. All VMS-controlled modems must have identical firmware version installed.
3. A Server Technology horizontal Sentry™ PowerTower XL IP Remote AC Power Control Bus is
required.
4. All modems must share the same RF infrastructure, such as Combiners and Splitters.
Sect. 8.6.1.1 provides a reference diagram (Figure 6-4) with accompanying legend (Table 6-1)
that identifies the key features of the basic rack-mounted, VMS-enabled CTOG-250 N:M
redundant setup. Further assembly and configuration instructions follow in Sect. 6.6.1.2.