180
LifeSize Gateway User Guide
Technical Specifications Table
Rear panel
(Gateway-Serial)
ACT 1 to 4
ALRM 1 to 4
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
RJ-45 serial port (for video processing module)
SVGA port (for video processing module)
USB connector (for video processing module)
Rear panel (Gateway-PRI)
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
(Gateway-Serial)
4 x serial ports
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
Table 9-1
LifeSize Gateway Unit Technical Specifications (continued)
Содержание Gateway-PRI
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