Nokia Solutions and Networks T5DK1 사용자 설명서
BTS Power Cabling
68P64115A19
–
4
Mar 2003
1X SC 4812T-MC BTS Hardware Installation - Software Release R2.16.1.x
CONTROLLED INTRODUCTION
2-48
Recommended Crimper Tool
– The following three crimper tools
are recommended to assemble the customer-side connector for the DC
cables. Choose one of the following crimper tools, according to site
requirements and preferences.
cables. Choose one of the following crimper tools, according to site
requirements and preferences.
S
AMP 600850 – maximum cable size of #4/0 (mechanical hand tool)
S
SMH p/n SY283 – maximum cable size of #4/0 (mechanical hand
tool)
tool)
S
Anderson Power Products (APP) p/n 1368 – can accommodate cable
sizes up to 300 MCM (hydralic hand crimp tool).
sizes up to 300 MCM (hydralic hand crimp tool).
Pre-connection Checklist
At this point in the installation ensure that the cabinet is NOT already
connected to the main dc power source.
connected to the main dc power source.
Installing Power Cables
Read the Power Cable Installation WARNINGS and CAUTIONS before
going to Table 2-37 (+27 V Power Cable Installation) also review
Figure 2-23.
going to Table 2-37 (+27 V Power Cable Installation) also review
Figure 2-23.
WARNING
S
Failure to observe these warnings could cause electrical
shock to personnel and/or damage to equipment!
shock to personnel and/or damage to equipment!
S
Do NOT wear a wrist strap when servicing the power
supplies or power distribution cabling! Serious personal
injury can result.
supplies or power distribution cabling! Serious personal
injury can result.
S
The external converter supplying the cabinet must have
double or reinforced insulation between its primary and
secondary circuits, and must conform to Safety Standard
EN60 950.
double or reinforced insulation between its primary and
secondary circuits, and must conform to Safety Standard
EN60 950.
S
Ensure the source for the DC voltage is in the OFF position
prior to attempting to connect the dc voltage.
prior to attempting to connect the dc voltage.
CAUTION
S
Ensure all frame power supply circuit breakers are OFF.
S
Perform any adjustments recommended by the manufacturer
on the main power supply equipment before connecting dc
power cables to the main dc power source.
on the main power supply equipment before connecting dc
power cables to the main dc power source.
S
Input to the base station must remain between +34 V and
+21 V dc for +27 V dc operation.
+21 V dc for +27 V dc operation.
BTS Power Cabling for + 27 V Configuration
The cable connections for powering a +27 V BTS are presented in
Table 2-37.
Table 2-37.
Table 2-37: Procedure to Install BTS +27 V Power Cables
Step
Action
1
Ensure the DC power cables are NOT connected to the main DC power source.
2
Remove the components from the dc connector package shipped with the BTS.
3
Strip 35 mm of insulation from the negative (–) and positive (+) power cables.
2