Specifications
The GTMU is classified into two types: GTMU and GTMUb.
specifications of the GTMU and GTMUb.
Table 3-29
Transmission specifications of the GTMU
Board
Supported
Mode
Transmissi
on Mode
Number of
ports
Port
Capacity
Full/Half-
Duplex
GTMU/
GTMUb
GSM
TDM over
E1/T1
1
Four
channels
Full-duplex
Transmissio
n over FE
optical ports
1
10 Mbit/s
and 100
Mbit/s
Full-duplex
Transmissio
n over FE
electrical
ports
1
10 Mbit/s
and 100
Mbit/s
Full-duplex
lists the TRX specifications of the GTMU and GTMUb.
Table 3-30
TRX specifications of the GTMU
Board
Supported Mode
Transmission
Mode
Maximum Carrier
Number
GTMU/GTMUb
GSM
TDM
126
IP over FE
60
IP over E1
48
Panel
and
show the panels of the GTMU and GTMUb.
Figure 3-24
GTMU panel
BTS3900C (Ver.C)
Hardware Description
3 BTS3900C Modules
Issue 03 (2013-05-27)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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