CHAPTER 3 NDA-24296
Page 474
Revision 1.0
PA-24CCTA
Commo n Channel Trunk
Digi tal PAD Set ting Tabl e fo r PA-24 CCTA
As mentioned in General Function, this card is equipped with a mask ROM in which the following typical PAD
patte rn s have b een already w ritten. PAD valu e is deter mi n ed by se le ct i ng a des i red PAD patt ern , whi ch can be done
by key setting of the SW 12/58 (elements 4, 5, 6) on this card, and programming of the PAD data by the ARTD
com mand - PAD . The sel ected PA D patt ern an d t h e programmed ART D PA D data corre spond as listed below.
Note: - represents GAIN in this table.
Table 3- 10 Digita l PAD Setting Table
PAD DATA
ARTD
PAD Pattern (selected by key setting)
PAD Pattern 1 PAD Pattern 2 A→µ Loss
(Bothway) A→µ Loss
(Receive) µ→A Loss
(Bothway) µ→A Loss
(Receive)
SEND RECIEVE SEND RECIEVE SEND RECIEVE SEND RECIEVE SEND RECIEVE SEND RECIEVE
1 2 [dB] 2 [dB] -3 [dB]
Note 3 [dB] 0 [dB] 0 [dB] 0 [dB] 0 [dB] 0 [dB] 0 [dB] 0 [dB] 0 [dB]
2 4 [dB] 4 [ dB] 3 [dB] 3 [dB] 4 [dB] 4 [dB] 0 [dB] 4 [dB] 4 [dB] 4 [dB] 0 [dB] 4 [dB]
3 6 [dB] 6 [ dB] 0 [dB] 6 [dB] 6 [dB] 6 [dB] 0 [dB] 12 [dB] 6 [ dB] 6 [dB] 0 [dB] 12 [dB]
4 8 [dB] 8 [ dB] 3 [dB] 9 [dB] 8 [dB] 8 [dB] 0 [dB] 8 [dB] 8 [dB] 8 [dB] 0 [dB] 8 [dB]
5 Key settings of SW11/39-3,4 correspond to PAD values. (Regardless of PAD Patterns)
7 0 [dB] 0 [dB] 0 [dB] 0 [dB] Through Through Through Through Through Through Through Through