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12) CRC (lower byte)
T1:
13) Errored Seconds (highest byte)
14) Errored Seconds
15) Errored Seconds
16) Errored Seconds (lowest byte)
E1:
13) E Bits (higher byte)
14) E Bits (lower byte)
15) Errored Seconds (highest byte)
16) Errored Seconds
17) Errored Seconds
18) Errored Seconds (lowest byte)
or
1) 238 (EEh) Time Out Error
Set T1/E1 Line Coding Options – Control Word (A00Dh) (Option 50 only)
Description: Sets the line coding options of T1/E1 measurement mode.
Bytes to Follow: 1 byte
1) Line Coding
00h: B8ZS (for T1 only)
01h: AMI
02h: HDB3 (for E1 only)
Site Master Returns: 1 byte
1) 255 (FFh) Operation Complete Byte
224 (E0h) Parameter Error: Invalid line coding option
238 (EEh) Time Out Error
Set E1 Impedance Options – Control Word (A00Eh) (Option 50 only)
Description: Sets the impedance for the E1 mode. Note that impedance is set separately for BERT and Vpp measurements.
Bytes to Follow: 2 bytes
1) E1 Measurement (00h: BERT, 01h: Vpp)
2) Impedance
00h: 75W
01h: 120W
Site Master Returns: 1 byte
1) 255 (FFh) Operation Complete Byte
224 (E0h) Parameter Error: Invalid impedance setting
238 (EEh) Time Out Error
Read T1/E1 Volts Peak-to-Peak – Control Word (A00Fh) (Option 50 only)
Description: Initiates the Vpp measurement on the T1 board and returns the result.
Vpp value is sent as (Vpp * 10).
100 Site Master PM