Cisco 3545 MCU - Manual (Page 44)

5-2
Installation and Upgrade Guide for Cisco Unified Videoconferencing 3545 MCU Releases 5.6 and 5.7
OL-17013-01
Chapter 5 Technical Specifications
Rear panel (Cisco Unified
Videoconferencing 3545 PRI Gateway) • PRI 1 or 2:
– ACT
– D-Ch
– ALRM
Rear panel (Cisco Unified
Videoconferencing 3545 Serial Gateway) • PORT 1 to 4:
– ACT
– ALARM
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 (Cisco Unified
Videoconferencing 3545 PRI Gateway) • 2 x ISDN E1/T1 PRI port:
– T1 mode
Channels: 23B + 1D
Clock rate: 1.544 Mbps
Framing: F4, F12, ESF no CRC, ESF, F72
Encoding: NRZ, AMI-B7, B8ZS
Line impedance: 100
Ω
– E1 mode
Channels: 30B + 1D
Clock rate: 2.048 Mbps
Framing: Double framing, CRC4, Extended CRC4
Encoding: NRZ, CMI, AMI, HDB3
Line impedance: 120
Ω
Rear panel (Cisco Unified
Videoconferencing 3545 Serial Gateway) • 4 x serial ports
Chipset • PowerPC MPC7410 32-bit RISC microprocessor
running at 500MHz.
• MPC8260 communication processor running at
300/200MHz.
Operating System • RTOS, VxWorks 5.4
Memory • 32 MB on-board flash memory for field upgrades
• 2 MB L-2 Cache at 250MHz
• 128 MB SDRAM
Failsafe • Watchdog timer built in
Table 5-1 Cisco Unified Videoconferencing 3545 Chassis Technical Specifications (continued)