General DataComm SpectraComm 800 T3, Руководство по установке и эксплуатации

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Introduction and Specifications Product Overview
1-2 SpectraComm 800 T3 Data Service Unit 076R160-000
Installation and Operation Manual Issue 4
SC800 T3 Features and Benefits
• Provides interface to T3 services with the following bit rates:
• T3 network interface via two BNC connectors is 44.7 Mbps
• T3 payload through subrate HSSI port is 3 to 44.2 Mbps in increments
of 3 Mbps.
• Compatible with other T3 DSUs running at full rate.
• Selectable Line Type: DS3 (0-100 ft) or DSX-3 (100-450 ft.)
• Supports both M13 and C-bit parity framing.
• 75 ohm coax DS3 interface. Two BNC connectors for Transmit and
Receive.
• Selectable transmit timing sources: Recovered or internal clock
• May be housed in SpectraComm shelves with other SpectraComm data sets.
Also installs in the single-slot SpectraComm AC or DC enclosures.
• Front-panel LEDs on the SC 800 T3 indicate power and network, test mode,
and alarm conditions.
• Provides full network management by means of the shelf-resident SCM and
associated SNMP or Telnet manager.
• Remote unit may be network managed from the local unit’s SCM, via an in-
band management channel.
• Provides dual image flash memory to allow download of firmware.
• Provides non-volatile memory to maintain configuration after power
outages.
• Supports high speed router applications.
• Hot-swappable cards are auto-configurable with SCM.
• TFTP downloadable firmware to dual-image flash memory.
• Provides configurable diagnostic loopback tests
• Supports T3 and unit alarms
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