E1-42
(ONS 15454 SDH only) The E1-42 card provides 42 ITU-compliant, G.703 E-1 ports. Each port operates at 2.048 Mbps over a 120-ohm, twisted-pair copper cable. The E1-42 card uses different front mount electrical connection depending on the type of protection required. Use FMEC E1-120 NP for unprotected operation, the FMEC E1-120PROA for 1:3 protection in the left side of the shelf, or the FMEC E1-120PROB for 1:3 protection in the right side of the shelf.
Caution
This interface can only be connected to SELV circuits. The interface is not intended for connection to any Australian telecommunications network without the written consent of the network manager.
Note
If you need 75-ohm unbalanced interfaces, you must additionally use the E1-75/120 conversion panel.
The E1-42 cards display the following subtabs:
Alarms
Conditions
History
Circuits
Provisioning
Maintenance
Performance

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