BusinessPhone Communication Platform 4.0
Warning Messages ASB 150 02 >

## 0xA0
Serial Communication Error

Default definition: |  | ERROR |
Used by block: |  | SP |
Category: |  | MAINTENANCE |

A transmit or receive error was detected by SP.

- D1: Card position

- FFh: Card position is unknown.

- D2: Type of error

- Bit 0: NAK has been received
- Bit 1: No ACK/NAK has been received to a sent message
- Bit 2: RX-data line was not quiet, when a new message should be sent to a RP, or when a poll cycle should start, or when retransmission is requested from the RP.
- Bit 3: Framing error
- Bit 4: Overrun error
- Bit 5: Checksum error
- Bit 6: Message received after a poll does not match the address of the received poll-ACK.
- Bit 7: No complete message received in time.
- Bit 0-1: Message from CP to RP is probably lost.
- Bit 3-7: Message from RP to CP is always lost.

- D3: Undefined
- D4: Undefined

Revision: F © Ericsson Enterprise 2003