Nortel Networks 553-3001-211 manual Receiver impedance, Ring ground switches for NT5D97AA/AB

Page 332 of 894 NT5D97 Dual-port DTI2/PRI2 card

Note: Do not change this setup.

Table 119

Trunk interface line build out switch settings

		Switch setting
Description	S5/S11	S6/S12	S7/S13
0dB	OFF	OFF	OFF

Receiver impedance

A per-trunk set of four DIP switches (S8/S14 provides selection between 75 or 120 ohm values. Refer to Table 120.

Table 120

Trunk interface impedance switch settings

Description		S8/S14 switch setting
75 ohm	OFF	OFF	ON	OFF
120 ohm	OFF	OFF	OFF	ON

Ring ground switches for NT5D97AA/AB

A set of four Dip switches (S2) selects which Ring lines are connected to ground. Refer to Table 121.

Table 121

Ring ground switch settings (Part 1 of 2)

Switch Description S2 switch settingS

1Trunk 0 Transit OFF-Ring line is not grounded ON- Ring line is grounded

2Trunk 0 Receive OFF-Ring line is not grounded ON- Ring line is grounded

553-3001-211 Standard 2.00 September 2004