Cisco Systems 3545 PRI manual Push Buttons, Chipset, Operating System, Communication Interfaces

Chapter 5 Technical Specifications

Table 5-1	Cisco Unified Videoconferencing 3545 Chassis Technical Specifications (continued)
Rear panel		• PRI 1 or 2:
(Cisco Unified			–	ACT
Videoconferencing
			–	D-Ch
3545 PRI Gateway)
			–	ALRM
Rear panel		• PORT 1 to 4:
(Cisco Unified			–	ACT
Videoconferencing
			–	ALARM
3545 Serial Gateway)
Push Buttons		•	RST (front panel)
Communication Interfaces
Front panel		• Ethernet 10/100 Mbps auto-negotiate speed
			select
		• Asynchronous serial port RS-232 connected
			via 9-pin D-type connector
Rear panel		• 2 x ISDN E1/T1 PRI port:
(Cisco Unified			–	T1 mode
Videoconferencing
			Channels: 23B + 1D
3545 PRI Gateway)
			Clock rate: 1.544 Mbps
			Framing: F4, F12, ESF no CRC, ESF, F72
			Encoding: NRZ, AMI-B7, B8ZS
			Line impedance: 100Ω
			–	E1 mode
			Channels: 30B + 1D
			Clock rate: 2.048 Mbps
			Framing: Double framing, CRC4, Extended
			CRC4
			Encoding: NRZ, CMI, AMI, HDB3
			Line impedance: 120Ω
Rear panel		• 4 x serial ports
(Cisco Unified
Videoconferencing
3545 Serial Gateway)
Chipset		• PowerPC MPC7410 32-bit RISC
			microprocessor running at 500MHz.
		• MPC8260 communication processor running at
			300/200MHz.
Operating System		•	RTOS, VxWorks 5.4

Installation and Upgrade Guide for Cisco Unified Videoconferencing 3545 PRI Gateway and 3545 Serial Gateway Release 5.6

5-2 OL-17011-01