User's Manual

Ripwave Base Station I&C Guide Navini Networks, Inc.
222 Part #40-00047-00 Rev D v1.0
February 28, 2003
Protection
Table N4 shows the protection specifications for the Ripwave BTS backup unit.
Table N4: Protection Specifications
Over-voltage Protection:
Shutdown at 30V. Power cycle to recover.
Under-voltage Protection:
Shutdown at 21V with disconnect relay
Over-current Limit:
At 110% ~ 130%. Auto recovery after the condition is
removed.
Over Temperature:
Auto-recovery
Short Circuit:
Infinite short protection. Auto recovery after the condition is
removed.
Input Protection:
AC main circuit breaker required
Battery Protection:
Battery protection fuse required
Reverse battery connection fuse protected
Environmental Requirements
Table N5 provides the environmental requirements for the Ripwave BTS backup unit.
Table N5: Environmental Requirements
Operating Temperature:
0 C to +50 C
Storage Temperature:
-40 C to +70 C
Relative Humidity:
5 to 95% non-condensing
Altitude:
-100 to 3,000 meters operating
-100 to 12,000 meters non-operating
Vibration:
Telcordia GR-63-CORE, section 4.4, Zone 4, GR-487-CORE
Input Surge:
GR-1089-CORE