3.4 Transmission Board Configurations
In different modes, different transmission boards can be configured for E1/T1 or FE signal
transmission.
lists the transmission modes supported by the boards working in different modes.
Table 3-11
Transmission modes supported by the boards
Transmission
Mode
Board
GSM/UMTS
Mode
Port
Port Capacity
ATM over E1/
T1
WMPT
UMTS
1
Four channels
UTRP3
UMTS
2
Eight channels
IP over E1/T1
GTMU/
GTMUb
GSM
1
Four channels
WMPT
UMTS
1
Four channels
UTRP4
UMTS
2
Eight channels
UTRPb4
LTE
2
Eight channels
TDM over E1/
T1
GTMU/
GTMUb
GSM
1
Four channels
UTRPb4
GSM
1
Four channels
Transmission
over FE/GE
optical cable
GTMU/
GTMUb
GSM
1
10 Mbit/s and
100 Mbit/s
LMPT
LTE
2
10 Mbit/s, 100
Mbit/s, and
1000 Mbit/s
WMPT
UMTS
1
10 Mbit/s and
100 Mbit/s
UTRP2
UMTS
2
10 Mbit/s, 100
Mbit/s, and
1000 Mbit/s
Transmission
over FE/GE
electrical cable
GTMU/
GTMUb
GSM
1
10 Mbit/s and
100 Mbit/s
LMPT
LTE
2
10 Mbit/s, 100
Mbit/s, and
1000 Mbit/s
WMPT
UMTS
1
10 Mbit/s and
100 Mbit/s
3 BTS3900 Hardware Configuration
BTS3900
Hardware Description
3-22
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Issue 04 (2011-02-15)