Avaya Nortel Communication Server 1000 Reference page 274

NT5D97 Dual-port DTI2 PRI2 card
Table 118: Trunk interface line build out switch settings
Description
0dB
Receiver impedance
A per-trunk set of four DIP switches (S8/S14 provides selection between 75 or 120 ohm values.
Refer to Table 119: Trunk interface impedance switch settings
Table 119: Trunk interface impedance switch settings
Description
75 ohm
120 ohm
Ring ground switches for NT5D97AA/AB
A set of four Dip switches (S2) selects which Ring lines are connected to ground. Refer to
Table 120: Ring ground switch settings
Table 120: Ring ground switch settings
Switch
1
2
3
4
DCH Address select switch for NTBK51AA/NTBK51CA daughterboard for
NT5D97AA/AB
In case of an on-board NTBK51AA/NTBK51CA D-channel daughterboard, set of four switches
(S3) provide the daughterboard address. Refer to
274 Circuit Card Reference
S5/S11
OFF
OFF
OFF
Description
Trunk 0 Transit
Trunk 0 Receive
Trunk 1 Transmit
Trunk 1 Receive
Comments? infodev@avaya.com
Switch setting
S6/S12
OFF
S8/S14 switch setting
OFF ON
OFF OFF
on page 274.
S2 switch settingS
OFF-Ring line is not grounded
ON- Ring line is grounded
OFF-Ring line is not grounded
ON- Ring line is grounded
OFF-Ring line is not grounded
ON- Ring line is grounded
OFF-Ring line is not grounded
ON- Ring line is grounded
Table 128: Trunk 1 switches
S7/S13
OFF
on page 274.
OFF
ON
on page 278.
July 2011