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633/635
Users Manual
2-34. CREM (PairGain)
This selection causes the CREM (customer remote) to transition to a loopback
state.
2-35. CLOC (PairGain)
This selection causes the CLOC (customer local loop) to transition to a
loopback state.
2-36. CDU1 (PairGain)
This selection causes the CDU1 (customer doubler 1) to transition to a
loopback state.
2-37. CDU2 (PairGain)
This selection causes the CDU2 (customer doubler 2) to transition to a
loopback state.
2-38. FT1 CHANNEL SELECT Key
When in F64 or F56 test mode, the FT1 channels will be selected by scrolling
through the DS0s using the CHANNEL UP/DOWN keys and viewing the
two-character display. To select the displayed channel for F64 or F56 BERT,
press the FT1 CHANNEL SELECT key. The selected channel(s) will blink
on the display screen (shown below) if FT1 is selected as the result type (using
the RESULTS keys).
FT1
06
F64
To clear or deselect all channels for F64 or F56 BERT, select no channel
(shown as "--" on the two-character display). Then, press the FT1 CHANNEL
SELECT key momentarily. To select all channels, press and hold the FT1
CHANNEL SELECT key for approximately two seconds.
2-39. CHANNEL UP/DOWN Keys
These keys are used to select the DS0 channel for data and signaling drop to
the Signaling Bits and Data Bits LEDs. The selected DS0 will also be dropped
2-16
01
02
07
08
09
CCIS
03
04
05
10
11
12
Rx
CSU
abn15f.eps
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