COMSPHERE 3500 Series Data Service Units
4-20
July 1999
3510-A2-GN32-70
Table 4-3
(3 of 3)
Model 3510 and Model 3511 DSU Straps S1 through S5
Switch Selection
Function
1
Position
S5–1
S5–2
S5–3
S5–4
S5–5
S5–6
F
R
F
R
F
R
—
F
R
R
F
Provides separate signal and frame grounds (Model 3510 only)
Connects signal ground to frame ground* (Model 3510 only)
Disables test mode indication
Enables test mode indication on Pin 25 of EIA-232-D interface
Disables test mode indication
Enables test mode indication on Pin NN of V.35 interface
Not used (should be left open)
Disables DSR always on function
Enables DSR always on function
Disables diagnostic message clamping (Model 3510 only)
Enables diagnostic message clamping (Model 3510 only)
F = Front
R = Rear
1
Selections are the same for Model 3510 and Model 3511 unless otherwise noted.
Table 4-4
Timing Signal Source Selection for Both Model 3510 and Model 3511
S1–1
S1–2
Source
R
R
F
F
R
F
R
F
Digital Network
Tributary/Slave LADS
Internal LADS
External LADS
F = Front
R = Rear
Содержание Comsphere 3510
Страница 4: ...COMSPHERE 3500 Series Data Service Units C July 1999 3510 A2 GN32 70 Notices ...
Страница 6: ...COMSPHERE 3500 Series Data Service Units E July 1999 3510 A2 GN32 70 ...
Страница 12: ...COMSPHERE 3500 Series Data Service Units vi July 1999 3510 A2 GN32 70 ...
Страница 37: ...Operation 3 15 3510 A2 GN32 70 July 1999 Figure 3 8 Out of Service Condition Troubleshooting Flowchart ...
Страница 39: ...Operation 3 17 3510 A2 GN32 70 July 1999 Figure 3 10 Streaming Terminal Condition Troubleshooting Flowchart ...
Страница 54: ...COMSPHERE 3500 Series Data Service Units 4 14 July 1999 3510 A2 GN32 70 Figure 4 8 DSU Strap Default Settings ...
Страница 72: ...COMSPHERE 3500 Series Data Service Units A 6 July 1999 3510 A2 GN32 70 ...
Страница 74: ...COMSPHERE 3500 Series Data Service Units B 2 July 1999 3510 A2 GN32 70 Figure B 1 DSU Timing Chart 1 of 2 ...
Страница 75: ...Timing During Testing B 3 3510 A2 GN32 70 July 1999 Figure B 1 DSU Timing Chart 2 of 2 ...
Страница 76: ...COMSPHERE 3500 Series Data Service Units B 4 July 1999 3510 A2 GN32 70 ...