Chapter 1. System Overview and Modes of Operation
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• 4-Wire Voice
• E&M (Types I, II, III, & V)
• Pulse Link Repeater (PLR)
• Transmission Only (TO)
• Modem
• Deluxe card with 2713 Hz loopback tone
• SCG
• High fidelity audio
• 8 kHz Bandwidth
• 15 kHz Bandwidth
Circuit Features
Status information on circuits includes:
• Option status
• Card type
• Serial number
• Card revision
• Firmware revision
Data Circuit Features
• Polling (most circuits)
• Test loopbacks
• Reset
• T1-1/T1-2 (bi-directional) provisioning
Voice Circuit Features
• Transmission level adjust (Tx and Rx)
• Test loopbacks
• T1-1/T1-2 (bi-directional) provisioning
Refer to individual circuit card user manuals for further information on options offered.