NDA-24296 CHAPTER 3
Page 587
Revision 1.0
PA-24PRTB-A
Primary Rate Interface T r unk
SWITCH
NAME SWITCH
NO. SETTING STANDARD
SETTING MEANING
SW4 1OFF ×Fixed (D channel)
2ON ×D Channel Mode Selection; Used Si de
OFF D Channel Mode Selec tion; Network Side
3ON D Channel Signal Logic; Ne gative
OFF ×D Channel Signal Logic; Positive (Standard)
4ON ×
5ON ×
6ON ×Fixed
7ON ×Fixed
8ON ×Fixed
SW5
1ON ×PAD Pa ttern Selection
Note: When setting this switch, refer to Digital PAD
Setting Table.
OFF
2ON
OFF ×
3ON ×
OFF
4ON ×
OFF
5ON
OFF ×
6ON ×
OFF
7ON ×
OFF
8ON IDLE code is sent out.
OFF ×IDLE code is not sent out.
SW 4- 4 SW 4-5 D-channel S p ee d
ON
OFF
ON
OFF
ON
ON
OFF
OFF
64 k bp s (Standar d )
Not used
56 kbps
Not used
SW5-1 SW5-2 SW5-3 PAD Pattern
ON OFF ON PAD Pa ttern 1
OFF OFF ON PAD Pattern 2
ON ON OFF A→µ Loss (Bothway)
OFF ON OFF A→µ Loss (Receive)
ON OFF OFF µ→A Loss (Bothway)
OFF OFF OFF µ→A Loss (Receive)
SW5-4 SW5-5 DIGITAL PAD CONTROL
ON
ON
OFF
OFF
ON
OFF
ON
OFF
Both directions
Receive only (Standard)
Se n d only
ARTD Fi xed
SW5-6 SW5-7 DATA PAD CONTROL
ON
ON
OFF
OFF
ON
OFF
ON
OFF
64 k (Standard)
56 k AT & T
64 k INV.
48 k PROTI MS