Case Communications syncro 1496, Reference Manual

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1 0 Pin 8 low, Data Carrier Detect OFF
1 Pin 8 high, Data Carrier Detect ON
2 0 Pin 5 low, Clear To Send OFF
1 Pin 5 high, Clear To Send ON
3 0 Pin 25 low, test indicate OFF
1 Pin 25 high, test indicate ON
4 0 Pin 21 low, bad signal quality
1 Pin 21 high, good signal quality
5 0 Not used
6 0 Not used
7 0 Not used
*S3 Modem Status
Result displays modem status.
Bit Set Definition
0 0 Offline (PSTN 1 or LL)
1 Online (PSTN 1 or LL)
1 0 See notes below
2 0 See notes below
3 0 Normal full speed operation
1 Fallback operation
4 0 Not used
5 0 Modem not in dial backup
1 Modem in dial backup and connected
6 0 Not used
7 0 Dial backup enabled by Network 16 controller
1 Dial backup disabled by Network 16 controller
Note:
Bit1 Bit2 Definition
0 0 No modem warm, cold or checksum error restart
occurred since last read
0 1 Mains power has been lost since last read
1 0 Checksum error and restart occurred since last
read
1 1 Modem restart occurred since last read
*S9 Display Combination
Displays results from *S1 , *S2 and *S3 (see *S20 )
X450-310851 Issue 2 7-12 Rev.0