Ericsson Radio Systems AB BKRC1311005-2 사용자 설명서
Ericsson Internal
DESCRIPTION
DESCRIPTION
4 ( 24 )
/ XSNJOER
174/1551-LZA 701 0001 Uen
EAB/ FJG/YP ( Louise Cederlund)
2007-06-12
A
Prepared (also subject responsible if other)
No.
Approved
Checked
Date
Rev
Reference
•
Discontinuous transmission/reception
•
Duplex filters
•
Dynamic power regulation
•
Encryption/ciphering
•
EDGE
•
Expansion by Transceiver Group (TG) synchronization
•
External alarms
•
Frequency hopping
•
Global positioning system (GPS) synchronization
•
Radio configurations supported on 800, 900, 1800 and 1900 MHz
•
Receiver diversity
•
Transmission Interface: The following transport network interface
alternatives exist:
alternatives exist:
T1 1.5 Mbit/s, 100
, with internal synchronization
E1 2 Mbit/s, 75
, with PCM synchronization
E1 2 Mbit/s, 120
, with PCM synchronization
•
Wide range power input 120–250 V AC
•
Wide range power input
48 to
60 V DC
2.2
Variants
There are three RBS 2207 cabinet versions:
•
48 to
60 V DC
•
120–250 V AC, 50 to 60 Hz, +24 V DC, with optional battery backup
•
+24 V DC (without PSUs)
2.3
Optional Equipment
The equipment listed below is available, but is not necessary for basic
functionality.
functionality.
•
Battery backup (in a separate cabinet)
•
Bias injectors