Cisco 545 Serial - Manual (Page 56)

5-2
Installation and Upgrade Guide for Cisco Unified Videoconferencing 3545 PRI Gateway and 3545 Serial Gateway Release 5.5
OL-14912-01
Chapter 5 Technical Specifications
Technical Specifications Table
Board LED Indicators
Front panel • ETHERNET:
• Link
• Connection Speed
• GK Reg
• CPU High (MCU only)
• CD (gateways only)
• ALARM
• ACT
• MC (EMP only)
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
Table 5-1 Cisco Unified Videoconferencing 3545 Chassis Technical Specifications (continued)