NEC 2400 ipx User Manual Page 613

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NDA-24296 CHAPTER 3
Page 587
Revision 1.0
PA-24PRTB-A
Primary Rate Interface Trunk
SWITCH
NAME
SWITCH
NO.
SETTING
STANDARD
SETTING
MEANING
SW4
1OFF
×
Fixed (D channel)
2
ON
×
D Channel Mode Selection; Used Side
OFF D Channel Mode Selection; Network Side
3
ON D Channel Signal Logic; Negative
OFF
×
D Channel Signal Logic; Positive (Standard)
4ON
×
5ON
×
6ON
×
Fixed
7ON
×
Fixed
8ON
×
Fixed
SW5
1
ON
×
PAD Pattern Selection
Note: When setting this switch, refer to Digital PAD
Setting Table.
OFF
2
ON
OFF
×
3
ON
×
OFF
4
ON
×
OFF
5
ON
OFF
×
6
ON
×
OFF
7
ON
×
OFF
8
ON IDLE code is sent out.
OFF
×
IDLE code is not sent out.
SW4-4 SW4-5 D-channel Speed
ON
OFF
ON
OFF
ON
ON
OFF
OFF
64 kbps (Standard)
Not used
56 kbps
Not used
SW5-1 SW5-2 SW5-3 PAD Pattern
ON OFF ON PAD Pattern 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)
Send only
ARTD Fixed
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 PROTIMS
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