C H A P T E R 5 Technical Specifications - Cisco 3527 PRI G Installation And Upgrade Manual

Table 5-1 Cisco Unified Videoconferencing 3500 Gateway Unit Technical Specifications (continued)
Rear panel (Cisco Unified
Videoconferencing 3527 PRI Gateway)
Rear panel (Cisco Unified
Videoconferencing 3522 BRI Gateway)
Chipset
Operating System
Memory
Failsafe
Power Supply
Installation and Upgrade Guide for Cisco Unified Videoconferencing 3522 BRI Gateway and 3527 PRI Gateway Release 5.6
5-2
• 1 x ISDN E1/T1 PRI port:
T1 mode
–
Channels: 23B + 1D
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
4 x ISDN BRI ports
•
PowerPC MPC755 32-bit RISC microprocessor running at 400MHz or
•
more
MPC8260 secondary microprocessor running at 200/133MHz or more
•
RTOS, VxWorks 5.4
•
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
•
• Watchdog timer built in
Input 100-240VAC autoswitched
•
Output + 3.3VDC, + 5VDC, + 12VDC
•
Maximum power load 150W
•
Chapter 5 Technical Specifications
OL-17010-01