NEC NEAX 2000 IPS - WCS IP-CS Installation and Setup

CHAPTER 2 INSTALLATION
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NWA-008855-001 Rev.1.0
avch2001.fm
Example of MDF Cross Connection for CS (BS21/BS21A)
NOTE: Confirm that the electric potential between TA/TB and RA/RB (feed polarity) is normal before
connecting CS to modular plug.
TA/TB minus
RA/RB plus
Continued on next page
TERMINAL
NUMBER
TERMINAL
NUMBER
FUNCTION POLARITY
CSI
TERMINAL
TERMINAL
EQUIPMENT
CSI SIGNAL FEED
1
2
3
4
a
b
c
d
Transmission
Transmission
Reception
Reception
Reception
Reception
Transmission
Transmission
–
+
+
–
–
–
+
+
RB
RA
TA
TB
(4) (1)
Side view
Front view
Terminal
number
CONNECTION OF LEGACY CS