GE MDS MDS iNET-II 900, Справочное руководство

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6 iNET Series Reference Manual 05-2806A01, Rev. H
1.2.2 Differences Between iNET and iNET-II Models
The iNET and iNET-II Transceivers, while similar in many respects, do
have some important differences. The main differences are summarized
in Table 1-2:
Table 1-2. Transceiver Differences (iNET vs. iNET-II)
NOTE: The GE MDS iNET and GE MDS iNET-II transceivers are not
over-the-air compatible.
1.2.3 GE MDS P21 Protected Network (Redundant)
Configuration
For mission-critical applications, GE MDS also offers the Protected
Network Station. This radio incorporates two iNET Series transceivers,
two power supplies, and a switchover logic board that automatically
selects between Transceiver A and Transceiver B as the active radio.
Figure 1-2 shows a view of the protected chassis. For system-level
information on this product, see GE MDS publication 05-4161A01.
Table 1-1. Transceiver Models and Data Interface Services
Model Type
LAN
1
COM1
1 COM2
Access Point
3 N/A Yes Yes Yes
Remote… Ethernet
Bridge
2
Yes No No
Serial
Gateway
2
No Yes Yes
Dual Gateway
3
Yes Yes Yes
NOTES
1. Provides access to the embedded Management System on all units.
2. Can be upgraded to Dual Gateway with an Authorization Key.
3. Can be con
fi gured as an Access Point or Dual Gateway through the
embedded Management System.
Characteristic iNET iNET-II
Data Rate 256/512 kbps 512 kbps/1 Mbps
FCC Certification
Type FHSS DTS
Encryption RC4-128 AES-128
Channel size 316.5 kHz 600 kHz
Channel operation Zones Channels
Firmware Specific for iNET Specific for iNET-II