12
G2020 MMS KIT Installation Manual
– 4GBH0111A
Figure 5-6 Parallel interface board (IFAU-09*) installation procedure (continued)
Step 2-3
GNDC on the IF1 connects to the ground bus bar
located in landing cabinet using the wire (#9)
and M4 screw (#14).
GNDD on the IF1 connects to the ground bus bar
located at the upper left of UPS using the wire (#10)
and M4 screw (#14).
Step 2-4
EGND / ZGND on the IF1 connects to those on the PC1
using wire (#11, 2 twisted), respectively.
CN92 on the IF1 connects to CN92 on the PC1
using the multi-conductive cable (#5)
CN93 on the IF1 connects to CN93 on the PC1
using the multi-conductive cable (#6)
Fasten 2 ferrite cores (#3) to each cable (#5 and #6)
with binding band.
Ground
Bus bar
(Side)
Ground Bus bar
(Upper)
IF1
ZGND
EGND
Through
hole
#11: Wire
CN93
CN92
EGND
ZGND
CN92
CN93
Rear side of door
TLCR-E*
PC1
#5: Cable
#6: Cable
#3: Ferrite core(s)
Ground
Bus bar
(Side)
Ground Bus bar
(Upper)
IF1
GNDD
GNDC
Through
hole
#14: M4 Screw
#14: M4 Screw
#9: Wire
#10: Wire