Huawei BTS3900C - Page 59

Specifications
The GTMU is classified into two types: GTMU and GTMUb. Table 3-29 lists the transmission
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
Table 3-30 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
Figure 3-24 and Figure 3-25 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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