3
Performance Tests
NO TE
74
Equipment Required
Frequency Counter
DSn Test Set
Bantam/Bantam Cable
75/50 ohm Matching Pad
Bal/Unbal Converter
For accuracy required the counter MUST have high stability Internal
Timebase option or be externally referenced to an in-house Standard.
Procedure
1 Press <Menu>, choose Tx/Rx > Stored Settings then press
<Select>. Select Default then Recall.
2 Press <Menu>, choose System > Preferences then press
<Select>. Set Network Standard to SDH.
3 Connect the Transmission Test Set's 2 MHz Clock Out port to
the Frequency Counter Input using a 75/50 Ω matching pad,
set the input impedance to 50 Ω . Alternatively, a 75 Ω
termination can be used with the input impedance set to
1 M Ω .
Agilent 53181A Option 010,015 (see Note)
Agilent 37718C with Option 012
Agilent 15670A
Agilent E2629A
Agilent 15508B
Installation and Verification Manual