Nortel 600 Series Manual page 71

Figure 2-40: NT4T01 Tone and Digit Sender pack and Extended Tone and Digit Sender pack -
switch locations
Table 2-BK:
NT4T01 Tone and Digit Sender pack - S1 switch settings for device selection for loop channels
in diloop 0
Diloop Half
Service Channel A
Service Channel B
August 2006
S1
location for
packs other
than CA/CB/
CC version
Note: The S1 switch must always be set in the up position (toward the top of the
pack).
For Generic 602.20
Switch settings for printed circuit packs
1
Switch
location for
CA/CB/CC ver-
sion packs
Switch
08.01
S2
4
S1
Switch position
down
up
NTP 297-3601-316
2-64