Nortel Networks NN43001-301 manual Trunk interface switches for NT5D97AD Trunk 0 switches

136NT5D97 Dual-port DTI2/PRI2 installation and removal

Trunk interface switches for NT5D97AD

Trunk 0 switches

Switch S12 gives the MPU information about its environment as shown in Table 46 "General purpose switches for NT5D97AD" (page 136).

Table 46

General purpose switches for NT5D97AD

Switch	Description	S9/S15 Switch Setting
S12_1	Impedance level	OFF - 120 ohm
		ON - 75 ohm
S12_2	Spare	For future use
S12_3	Spare	For future use
S12_4	Unit mode	OFF - Unit operates in the DTI2 mode
		ON - Unit operates in the PRI2 mode

Switch S2 selects the Transmission mode as shown in Table 47 "TX mode switches for NT5D97AD" (page 136).

Table 47

TX mode switches for NT5D97AD

TX mode	S2
E1	OFF
Not used	ON

Switch S3, S4, and S5 select LBO function as is Table 48 "LBO switches for NT5D97AD" (page 136).

Table 48

LBO switches for NT5D97AD

LBO setting	S3	S4	S5
0dB	OFF	OFF	OFF
7.5dB	ON	ON	OFF
15dB	ON	OFF	ON

Switch S6 selects the Receiver interface as in Table 49 "Receiver interface switches for NT5D97AD" (page 137).

Nortel Communication Server 1000

ISDN Primary Rate Interface Installation and Commissioning

NN43001-301 02.03 Standard

Release 5.5 7 December 2007

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