Timing Signal Source Selection For Both Model 3510 And Model 3511 - Paradyne Comsphere 3510 User Manual

COMSPHERE 3500 Series Data Service Units
Switch Selection
S5–1
S5–2
S5–3
S5–4
S5–5
S5–6
F = Front R = Rear
1
Selections are the same for Model 3510 and Model 3511 unless otherwise noted.

Timing Signal Source Selection for Both Model 3510 and Model 3511

S1–1
R
R
F
F
F = Front R = Rear
4-20
Table 4-3
Model 3510 and Model 3511 DSU Straps S1 through S5
Position
F Provides separate signal and frame grounds (Model 3510 only)
R Connects signal ground to frame ground* (Model 3510 only)
F Disables test mode indication
R Enables test mode indication on Pin 25 of EIA-232-D interface
F Disables test mode indication
R Enables test mode indication on Pin NN of V.35 interface
— Not used (should be left open)
F Disables DSR always on function
R Enables DSR always on function
R Disables diagnostic message clamping (Model 3510 only)
F Enables diagnostic message clamping (Model 3510 only)
Table 4-4
S1–2
R
F
R
F
(3 of 3)
Function
Digital Network
Tributary/Slave LADS
Internal LADS
External LADS
July 1999
1
Source
3510-A2-GN32-70