NEC NEAX IPS, Installation Manual

Page: 55 / 180

CHAPTER 2 INSTALLATION
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NWA-008869-001 Rev.1.0
atch2001.fm
SW0
(Piano Key SW)
1
NOTE 3
ON
Source clock signal from network is
sent to the PLO0 input on MP card.
Source clock signal from network is not
sent to the PLO0 input on MP card.
2
NOTE 3
ON
Source clock signal from network is
sent to the PLO1 input on MP card.
Source clock signal from network is not
sent to the PLO1 input on MP card.
3
NOTE 4
ON Remote loopback
For normal operation
4
NOTE 4
ON Local loopback (AIS send)
For normal operation
5
NOTE 4
Set equalizer according to the cable
length between the PBX and the C.O.
or CSU.
• For DS-1 (SW1-3 ON)
• For DSX-1/Hong Kong/Taiwan
(SW1-3 OFF)
OFF
6
NOTE 4
OFF
7
NOTE 4
OFF
8 Not used
Continued on next page
SWITCH NAME
SWITCH
NUMBER
SETTING
POSITION
FUNCTION CHECK
OFF
ON
5
6
7
8
1
2
3
4
OFF
OFF
OFF
OFF
ON
SW0-5 SW0-6 SW0-7 CABLE LENGTH TO CSU (0.5
φ
)
ON ON ON 1199-1758 m (3930-5764 ft.)
OFF ON ON 599-1199 m (1965-3930 ft.)
ON OFF ON 0-599 m (0-1965 ft.)
OFF OFF ON Not used
OFF OFF OFF Signal is not sent
SW0-5 SW0-6 SW0-7 CABLE LENGTH TO CSU (0.65 φ )
ON ON ON 0-40 m (0-131.2 ft.)
ON ON OFF 40-80 m (131.2-262.5 ft.)
ON OFF ON 80-120 m (262.5-394 ft.)
ON OFF OFF 120-160 m (394-525 ft.)
OFF ON ON 160-200 m (525-656 ft.)
OFF OFF OFF Signal is not sent
ON
ON
OFF
INSTALLATION PROCEDURE