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3.2.7 CR8N

Introduction

In Release 1.0 (SMR-Q) and Release 2.2 (SMR-H) and later, you can install CR8N (Code Receiver) in any slot in all OfficePro cabinets. The board cannot be used in Release 1.1, which must first be upgraded to Release 2.2 software.

The CR8N board is required for:

A high outgoing traffic load and a large number of analog subscribers exist.
A Hicom Phonemail system with more than six ports and the automatic attendant function is connected.
An external automatic attendant is being used as a virtual attendant and the system has a large number of analog trunks.

In these cases, the six code receivers (for tone dialing on analog telephones) that are already present in the system on the CBMOD are not sufficient. Adding a CR8N board provides another eight code receivers and eight code transmitters. Up to two CR8Ns can be installed in each system. A CR8N board and a CR8 board (S30810-Q2513-X) cannot be used in the same system simultaneously.

You can also install or remove a CR8N board during operation. If you remove it while the system is in the operating state, you risk interrupting DTMF signal processing. It is always recommended that you remove or install the board only while the system is switched off.

Note the following recommendations for using the CR8N board if a Hicom Phonemail system, voice mail system, or automatic attendant is connected:

Up to 8 ports: No CR8N board required.
9 to 24 ports: One CR8N board required.
Over 24 ports: Two CR8N boards required.

These are general recommendations only. In some cases, a CR8N board may already be required for six ports under extreme load conditions.

Switches and LEDs

Figure 3-4 CR8N (S30810-Q2513-X100)

LED Statuses and Their Meanings

Table 3-7 CR8N - LED Statuses

Red LED 
Green LED 
Status 
Action 
Off 
Off 
Board is not connected to the power source or is not inserted correctly.
Board is out of service.  
Check board connector contact.  
On 
Off 
Board is receiving power and board test is in progress.  
Wait 
If the status does not change, the loadware did not load correctly. Board is defective. 
Replace board 
Flashing 
Off 
Loadware is loading. 
 
On 
On 
Board test failed. Board is defective. 
Replace board 
Off 
On 
Board test completed successfully and board is OK (temporary transition).  
 
Off 
Flashing 
Board ready. 
 

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