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February 2003 2-33
1000-A2-GN22-00 2. CPX-1000 Voice Services Platform Description
The OC-3 ATM module includes the processing card only
(Figure 2–16). The module supports capacity for 155 Mbits of
information and can handle 1,024 simultaneous calls (DS0s).
Table 2–10 describes the controls, indicators, and ports.
OC-3 redundancy uses 1 + 1 protection, with a primary port that is
active in the normal operating state and a secondary port in the hot
standby state. The secondary port takes over if the primary port
loses its connection.
CAUTION
CLASS 1 LASER
Use of controls, adjustment, or performance of
procedures other than those specified herein may result
in hazardous, invisible radiation exposure.
Notes
Do not mix optical modes.
If you are using single mode OC-3 modules, use single
mode optical cables. If you are using multimode OC-3
modules, use multimode optical cables.
Mismatching fiber cables may result in equipment
damage.
Table 2–10.ATM OC-3 Module Controls, Indicators, and Ports
Controls, Indicators,
and Ports
Function
Status Blinks when heartbeat is present, lights solid when there is a problem
Tx Lights when transmitting data on the OC-3 Tx port
Rx Lights when receiving data on the OC-3 Rx port
ATM-155 Connects to OC-3 Single Mode Fiber (SMF), Multi Mode Fiber (MMF)
optical cables