Cisco 3545 MCU Manual de usuario Pagina 44

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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: 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 (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)
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