Government Network Solutions
Features summary:
 | Network topologies: hub/star, hub-less, full or partial mesh, hybrid |
| Maximum nodes in network: up to 10,000 or more |
| Satellite access methods: SCPC, MCPC, TDMA, CDMA and others |
| Network connections: point-to-point, point-to-multipoint, broadcasting,
uni-casting, multi-casting |
| Circuit types: ISDN, DS1(T1), DS3(T3), SONET (OC-3/OC-12), digital,
synchronous and asynchronous, duplex, simplex |
| Synchronization and timing: Network, GPS and/or Stratum level clock
sources |
| Circuit data rates: 2.4 kbps to E1/E2, bulk or fractional E1/E2 |
| Trunking data rates: up to 155 Mbps, symmetrical or asymmetrical |
| Communications security: voice/data circuits and bulk encryption methods |
| Service types: switched and dedicated circuit telephony voice, data, fax,
video conferencing |
| Circuit quality: engineered for BER = 1x10-7 or better
with 99.0 to 99.9% link availability |
| Electrical interfaces: RS-232, V.35, RS-422/449(V.36), EIA-530,
G.703 (E1/T1/E2, fractional E1/T1/E2), IEEE 802.2, 802.3 (Ethernet and Token Ring) |
| Terrestrial interfaces: PCM/TDM multiplexers, IP routers, modems, POTS,
etc |
| Transport protocols: IP, TCP/IP, CNLP, X.25, Frame Relay, ATM Cell Relay,
HDLC, SNA, others |
| Voice channels: 2-wire/4-wire E&M, FXS, FXO, digital E1/T1/E2
w/signaling |
| Digital speech compression: CELP, ACELP, LDCELP 4.8-8 kbps; 32 kbps
ADPCM, 64 kbps G.711 PCM |
| Facsimile: Group III support for 2.4-14.4 kbps and voice-band modem data
at 14.4 kbps (V.32bis) |
| Redundancy protection schemes: for earth stations, transponders,
satellites, terrestrial links and critical power equipment |
| Network monitoring and control: monitoring and control of
equipment, link performance, power systems, etc; NM&C available at client's premises
or provide by network service provider |
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