ADC Kentrox ISDN NT1 1010 Especificaciones Pagina 285

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Reference Guide
6-3
Interface Card Interface Card Descriptions
6.2.1.3 External Sync Panel
When installed in a two-sided chassis, the INF-E card may be used in conjunction with an
External Sync Panel.
6.2.1.4 External Sync Panel for Two-Sided Chassis (1500 / 150050)
The External Timing Sync Panel is used to provide a means of terminating external clocking
source inputs using wire-wrap techniques. (see Figure 6-2 for jumper arrangements diagram
and Table 6-1 for jumper settings). The External Timing Sync Panel is located on the cover
plate of the ringing supplies to the left of the Interface card (see Figure 6-3 and Figure 6-4).
Figure 6-2. Jumper Arrangements for the T1/E1 External Sync Panel
Table 6-1. Jumper Settings for the T1/E1 External Sync Panel
Jumper # Position Results
JP5 Open T1
JP5 Closed E1
JP8 Open Balanced
JP8 Closed Unbalanced
JP6 and 7 Open Ext1 (T1) 100 Ohms
JP9 and 10 Open Ext2 (T1) 100 Ohms
JP6 and 7 Closed Ext1 (E1) 75 Ohms
JP9 and 10 Closed Ext2 (E1) 75 Ohms
JP2 JP4 JP5
JP8
JP6
JP7
JP11
JP10
JP9
JP5
JP1
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