Cisco Prisma IP Element Management System Hoja De Datos

 

2

 
 

 

Network Specifications * 
Optical Connectors 

Optical Input A 
Optical Input B 
Optical Output 
Type SC/UPC

 

Input Optical Power Range 

-30 dBm minimum to +10 dBm maximum, composite 

Optical Wavelengths 

Dual Window Operation: 
• 

1310 nm, ±20 nm 

• 

1525 nm to 1610 nm 

CWDM outside this range is supported*

 

Optical Insertion Loss 

< 1.5 dB (input to output) 

Optical Isolation 

Input to Input > 50 dB 
Unselected Input to Output >50 dB 

Optical Return Loss 

> 35 dB 

Optical Switchover Threshold Setting 

-30 dBm to +10 dBm 

Optical Power Monitoring Accuracy 

< ± 1.5 dB at 1550 nm (calibration point) 

Optical Switch Default (power off) State 

Input A Selected during no-power conditions 

Switchover time 

12 milliseconds typical 

Provisionable Switchover Delay 

0 to 255 milliseconds in 1 millisecond steps 

Provisionable Wait-to-Restore Delay 

0 to 32 seconds in 130 millisecond steps 

Switching Modes Supported 

Automatic Revert/Restore, Input A Priority 
Automatic Revert/Restore, Input B Priority 
Automatic Non-Revert/Restore, Input A Priority 
Automatic Non-Revert/Restore, Input B Priority 
Toggle Mode, Input A initial state 
Toggle Mode, Input B initial state 
Forced to Input A 
Forced to Input B 

Card Status Indicators 

Power, Fault, Active, Standby 

Switch Status Indicators 

Input A Status 
Input B Status 
Output Mode - A Selected 
Output Mode - B Selected 

Management 
Management Interfaces 

10/100Base-T (RJ-45) management port, IP protocol 
RS-232c craft port (DB9M)

 

Management Software 
 

Local CLI access via RS-232 console 
Secure remote CLI access via Telnet 
Prisma IP Element Management System (EMS) 
ROSA Element Management System 
SNMP manageable – private MIBs available

 

 

*All optical specifications are valid for the 1550 and 1310 nm bands except where noted.  The optical switch will function in CWDM 
applications, but optical specifications are not guaranteed or given for the CWDM band.