Cisco Systems 3527 PRI, 3522 BRI manual Chipset, Operating System, Memory, Failsafe, Power Supply

Chapter 5 Technical Specifications

Technical Specifications Table

Table 5-1	Cisco Unified Videoconferencing 3500 Gateway Unit Technical Specifications
Communication Interfaces
Front panel		• Ethernet 10/100 Mbps auto-negotiate speed
			select
		• Asynchronous serial port RS-232 connected
			via 9-pin D-type connector
		• RJ-45 serial port (for video processing module)
		• SVGA port (for video processing module)
		• USB connector (for video processing module)
Rear panel		• 1 x ISDN E1/T1 PRI port:
(Cisco Unified			•	T1 mode
Videoconferencing
				Channels: 23B + 1D
3527 PRI Gateway)
				Clock rate: 1.544 Mbps
				Framing: ESF or D4
				Encoding: B8ZS or AMI
				Line impedance: 100Ω
			•	E1 mode
				Channels: 30B + 1D
				Clock rate: 2.048 Mbps
				Framing: G.704 with CRC4
				Encoding: HDB3 or AMI
				Line impedance: 120Ω
Rear panel		• 4 x ISDN BRI ports
(Cisco Unified
Videoconferencing
3522 BRI Gateway)
Chipset		• PowerPC MPC755 32-bit RISC
			microprocessor running at 400MHz or more
		• MPC8260 secondary microprocessor running
			at 200/133MHz or more
Operating System		•	RTOS, VxWorks 5.4
Memory		• 32 MB on-board flash memory for field
			upgrades, supports up to 64 MB
		• 1 MB L-2 Cache at 200 MHz or more
		• 128 MB SDRAM, supports up to 256 MB
Failsafe		• Watchdog timer built in
Power Supply		•	Input 100-240VAC autoswitched
		• Output + 3.3VDC, + 5VDC, + 12VDC
		• Maximum power load 150W

Installation and Upgrade Guide for Cisco Unified Videoconferencing 3522 BRI Gateway and 3527 PRI Gateway Release 5.5

5-2 OL-14910-01