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IP Office Installation
Page 124
15-601042 Issue 20b (16 July 2009)
IP Office
Grounding E1R2 Coaxial Connections
E1R2 coaxial trunk cards must be grounded correctly and require the IP Office control unit to be connected to a
protective ground.
Normally the ends of one connection is grounded. For example, if the exchange Tx1 is grounded, the IP Office Rx1 should
also be grounded. However this must be confirmed with the line provider to establish which ends they want grounded.
Procedure
1. Use the two jumpers supplied with the card, match the ground
selection of the line provider. For example, if the line provider
wants the IP Office Rx1 grounded, place a jumper across the
two Rx1 pins of jumper block J6.
2. Connect the ground strap spade end (B) to the spade
connection on the board.
3. Connect the other end of the ground strap (C) to the blanking
plate using the long securing screw supplied with the card.
4. Ensure that the coaxial connector ports are locked to the
blanking plate using the nuts provided.
5. Continue with trunk card installation as in
Stage 9a.
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