Model 3610 Installation
2-5
3610-A2-GB91-90
July 1999
Table 2-2 lists jumper settings for the Model 3610
DSU.
Figure 2-2
shows the location of these switches and
jumpers on the DSU circuit card. The jumpers labeled J14
through J16 are for factory testing only and must not be
changed. They should remain in the positions shown.
Two additional hardware straps, labeled J12 and J13,
control the Test Mode Indication feature for the V.35 and
EIA-232-D/V.24 DSU interfaces, respectively. When
enabled (as shown in Figure 2-2), V.35 lead NN and
EIA-232-D/V.24 Pin 25 go to ON (+EIA level) during
Test mode. When disabled, the leads are not connected
internally. The indicator lead for each interface can be
enabled or disabled independently.
Table 2-2
Model 3610 DSU Jumper Straps
Strap
Designation
State Of
Jumper Strap
1
Function
J12
2
Left
Enable V.35 Test Mode Indication
J13
2
Left
Enable EIA-232-D Test Mode Indication
J14
3
Installed
4
Factory Test
J15
3
Installed
4
Factory Test
J16
3
Installed
4
Factory Test
1
Only service representatives are authorized to change jumper strap settings.
2
Moving the jumper to the right disables the Test Mode Indication.
3
Leave these jumpers in their factory-set positions.
4
The Installed or Removed state indicates the strap is 2-pin.
Figure 2-2. Model 3610 Circuit Card Switch and Jumper Locations
Содержание COMSPHERE 3610
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Страница 246: ...COMSPHERE 3600 Series Data Service Units E 2 July 1999 3610 A2 GB91 90 Figure E 1 Control Channel...
Страница 247: ...Network Management Connectivity E 3 3610 A2 GB91 90 July 1999 Figure E 2 Extended Control Channel...
Страница 259: ...Pin Assignments F 11 3610 A2 GB91 90 July 1999 Figure F 8 EIA 232 D Crossover Cable 4951 035F...
Страница 263: ...Troubleshooting G 3 3610 A2 GB91 90 July 1999 Figure G 2 No Signal NS Condition Troubleshooting...
Страница 265: ...Troubleshooting G 5 3610 A2 GB91 90 July 1999 Figure G 4 Out of Frame OOF Condition Troubleshooting...
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