Gestetner A193 Service Manual page 768

D-Channel Layer 1 Dump List
How to Read the Dump List
Notes
1. Status Register Value
Data (Hex)
1E or 1C
02 or 00
0E or 0C
1A or 18
12 or 10
22 or 20
32 or 30
36 or 34
3E or 3C
2. Command Register Value
Data (Hex)
00
40
44
60
64
7C
3. Received Frame Status Register
Bit 7 - Not used
Bit 6 - 0: Normal, 1: Received data overflow
Bit 5 - 0: Normal, 1: CRC error
Bit 4 - 0: Normal, 1: Received frame aborted
Bits 3 to 0: Not used
4. Interrupt Status Register
Bit 7 - 0: Normal, 1: Frame received
Bit 6 - 0: Normal, 1: Receive buffer full
Bit 5 - Not used
Bit 4 - 0: Normal, 1: Transmission buffer full
Bit 3 - Not used
Bit 2 - 0: Normal, 1: Layer 1 status has changed
Bit 1 - Not used
Bit 0 - 0: Normal, 1: Communication error
5. Communication Error Status Register
Bit 7 - 0: Normal, 1: Frame resend
Bit 6 - 0: Normal, 1: Transmission underrun
Bit 5 - Not used
Bit 4 - 0: Normal, 1: Transmission pool overflow
Bits 3 to 0 - Not used
SM
Description
Deactivated or standby
INFO0 signal received
Not connected
Error status
Non-synchronized signal received
INFO2 signal received
Priority high
Priority low
Terminated
Description
No command requested
Standby request
Reset request
Priority change requset (High priority)
Priority change request (Low priority)
Termination request
A-3 APPENDIX A