13th and 14th bytes - Rx level or measure of error rate
If bit 5 of the 1st byte is 0:
13th byte - Rx level (low - Hex)
14th byte - Rx level (high - Hex)
If bit 4 of the 1st byte is 1:
13th byte - Measure of error rate (low - Hex)
14th byte - Measure of error rate (high - Hex)
15th byte - Final modem rate
Bits 0 to 2: Final modem speed
Bit 0
Bit
1
Bit
2
=
1
0
0
: 2.4k
0
1
0
: 4.8k
1
1
0
: 7.2
k
0
0
1
: 9.6
k
1
0
1
:
12.0
k
0
1
1
: 14.4k
Bit 3: Not used
Bits 4 to 6: Final modem type
Bit 4
Bit
5
Bit
6
=
1
0
0
:
V
.27
ter
0
1
0
:
V.29
1
1
0
:
V.33
Bit 7: Not used
16th byte to 35th byte - Remote terminal’s ID (RTI, TSI or CSI) (ASCII)
36th byte - Communication mode #1
Bits 0 - 1: Resolution used
Bit 0
Bit
1
=
1
0
: Standard,
0
1
: Detail,
1
1
:
Fine
Bit 2: Not used
Bit 3: ECM 0: Off, 1: On
Bits 4 to 7: Communication mode used
Bit 4
Bit
5
Bit
6
Bit 7
=
0
0
0
0
: Normal
1
0
0
0
:
Not used
0
1
0
0
:
Polling
1
1
0
0
:
Not used
Bit 4
Bit
5
Bit
6
Bit 7
=
0
0
1
0
: Not
used
1
0
1
0
:
Automatic
Service
Call
37th byte - Communication mode #2
Bit 0: Tx or Rx 0: Tx, 1: Rx
Bit 1: Reduction in Tx 0: Not reduced, 1: Reduced
Bit 2: Not used
Bit 3: Send later transmission 0: Not used, 1: Used
Bit 4: Transmission from 0: ADF, 1: Memory
Bits 5 to 7: Not used
38th byte - Number of errors duing communication (Hex)
May 22nd, 1995
SERVICE TABLES AND PROCEDURES
SERVICE RAM ADDRESSES
4-85