ZTE Corporation ZXMBW-RA25 Benutzerhandbuch
Chapter 5 External Power Cables Installation
Confidential and Proprietary Information of ZTE CORPORATION 39
External Monitoring Cable
Installation
Installation
The RA25 provides one external monitoring interface for
receiving/transmitting the 485 and trunk node signals.
Figure 28 shows the structure of the external monitoring cable.
receiving/transmitting the 485 and trunk node signals.
Figure 28 shows the structure of the external monitoring cable.
F
I G U R E
2 8
E
X T E R N A L
M
O N I T O R I N G
C
A B L E
S
T R U C T U R E
End B of the cable is a D-type 9-core straight welded connector
(male), connected to the monitored object, for example, the UPS
DB9 connector, which can be welded on site.
End A is a 7-core straight welded round connector (female),
connected to the MONITOR interface at the bottom of the
chassis. Table 11 lists the signal definitions of the 7-core
aeronautic connector cable.
(male), connected to the monitored object, for example, the UPS
DB9 connector, which can be welded on site.
End A is a 7-core straight welded round connector (female),
connected to the MONITOR interface at the bottom of the
chassis. Table 11 lists the signal definitions of the 7-core
aeronautic connector cable.
T
A B L E
1 1
7 -
C O R E
A
E R O N A U T I C
C
O N N E C T O R
C
A B L E
S
I G N A L
D
E F I N I T I O N S
Signal
Definiti
on
Dry
_0
Dry
_1
Dry_
2
Dry_
3
GND GND 485
+
485
-
End A
1
2
3
4
5
5
7
8
Cable
Whit
e
Blue
Whit
e
Oran
ge
Whit
e
Brow
n
Whit
e
Gree
n
End B
1
2
3
4
6
7
5
8
Note
:
The user can determine whether to install the external
monitoring cable according to the site condition.