PCM Supervision data reformatting circuit
PCM Switching network with surplus capacity
PCM switching system for wide and narrow band signals
PCM Telecommunications system for voice and data
PCM Tone signal generator
PCM-frame synchronizing unit
PCM-TDM Switching system using time slot multiples
Peak load access in a two-way CATV contention system
Peak-level detector for digitized signals in PCM telecommunicati
Per channel frame queuing and servicing in the egress direction
Per-packet jamming in a multi-port bridge for a local area netwo
Performance measurement system for a telecommunication path and
Periodic wave elimination by negative feedback
Peripheral communications network
Peripheral component interconnect gateway controller
Peripheral control for a digital telephone system
Peripheral repeater box
Permanent adapter having modulation and demodulation means for c
Permanent connection management method in exchange network
Personal computer with riser card PCI and Micro Channel interfac