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COMSPHERE 3500 Series Data Service Units
4-18 January 1998 3510-A2-GN32-50
Figure 4-14. S5 Default Settings, Model 3510 and Model 3511
Table 4-3
(1 of 3)
Model 3510 and Model 3511 DSU Straps S1 through S5
Switch Selection
Position Function
1
S1–1
S1–2
S1–3
S1–4
S1–5
S1–6
—
—
R
F
R
F
R
F
R
F
Selects source of timing signals (see Table 4-4)
Selects source of timing signals (see Table 4-4)
Disables circuit assurance function
Enables circuit assurance function
Holds DSR lead off during LL testing
DSR lead normal during LL testing
Disables elastic store function
Enables elastic store function
Disables remote digital loopback testing
Enables remote digital loopback testing
F = Front R = Rear
1
Selections are the same for Model 3510 and Model 3511 unless otherwise noted.