Cisco Cisco ONS 15454 SDH Multiservice Provisioning Platform (MSPP) 安装指南

See the cable loss specification of the E1-42 card for valid cable lengths. The E1-75/120 as a passive 
device cannot amplify any singal and so cannot increase the possible cable length. 

Environmental

Operating temperature: –5 to +45 degrees Celsius (+23 to +113 degrees Fahrenheit) 

Operating humidity: 5 to 95%, noncondensing

Power consumption: Not applicable; the E1-75/120 is a passive device. 

Dimensions

Height: 75 mm (2.95 in.)

Width: 535 mm (21.06 in.)

Depth: 221 mm (8.7 in.)

Weight: 2.15 kg (4.74 lb)

Compliance

ONS 15454 SDH cards, when installed in a system, comply with these standards:

Safety: IEC 60950, EN 60950, UL 60950, CSA C22.2 No. 60950, TS 001, AS/NZS 3260

This section explains how to install the E1-75/120 conversion panel. You need an E1-75/120 conversion 
panel if you want to convert the balanced 120-ohm interfaces of the E1-42 card and the corresponding 
FMECs to unbalanced 75-ohm interfaces.

For more information about the E1-75/120 conversion panel, refer to the Cisco ONS 15454 Reference 
Manual. 

Lift the E1-75/120 conversion panel to the desired rack position.

 shows the rack-mounting for the E1-75/120 conversion panel.