Home > Products > Huawei BTS312 > Telecom GSM Wireless Networking Equipment Huawei BTS 312 TMU 0321291065001812
Telecom GSM Wireless Networking Equipment Huawei BTS 312 TMU 0321291065001812
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Product Details
| Brand Name | Huawei | Place of Origin | China | |
| Model Number | TMU |
Product Description
Certification:CE
Telecom GSM Wireless Networking Equipment Huawei BTS 312 TMU 0321291065001812
[Product Description]
TMU - Timing/Transmission and Management Unit
Public resource TMU located in the BTS box, timing, transmission and management of entity BTS, the main function:
· provide multiplexing transmission, so that the limited resources to play a greater role; provide flexible networking mode, star, support BTS tree and chain type connection.
· provide the man-machine interface, operation and maintenance link, the execution of software download, fault management, configuration management, performance management and security management operation.
· Concentrated supply clock and hot backup.
· provide alarm signal input port, execute external alarm collection and control.
The host cabinet can be configured 2 TMU boards, heat backup clock source, and to extend the E1 interface function. The 1 piece of TMU board provides 4 E1 interface, 2 block is extended to 8 E1 interface. And cabinet configuration, only configuration TMU board in the main cabinet, deputy cabinet without configuration.
TMU interface
|
Identification |
Explain |
Type |
specific role |
|
RST |
The reset button |
/ |
TMU single board?reset button |
|
DBG |
Ethernet port |
/ |
Debugging?network port |
|
T2M |
Clock?output port |
SMB |
2MHz clock?output port |
|
FCK |
Clock?output port |
SMB |
Frame clock output?port |
|
T13M |
Clock?output port |
SMB |
13MHz clock?output port |
|
MMI |
Man-machine?interface |
DB9 |
The proximal end maintenance?station |
TMU indicator light
|
Identification |
Color |
Explain |
Specific instructions |
|
PWR |
Green |
The power indicator light |
Lighting: TMU is in a?power on?state. Lights out: TMU is in?power down states. |
|
RUN |
Green |
Running lamp |
Flash: The normal operation of TMU. Lights out or Lighting: TMU?abnormal operation. |
|
LI1 |
Green |
E1 line?indicator |
Lighting: The 1st?line of E1?local alarm. Flash: The 1st?line of E1?remote alarm. Lights out: The 1st?line of E1?normal. |
|
LI2 |
Green |
E1 line?indicator |
Lighting: The 2nd?line of E1?local alarm. Flash: The 2nd?line of E1?remote alarm. Lights out: The 2nd?line of E1?normal. |
|
LI3 |
Green |
E1 line?indicator |
Lighting: The 3rd?line of E1?local alarm. Flash: The 3rd?line of E1?remote alarm. Lights out: The 3rd?line of E1?normal. |
|
LI4 |
Green |
E1 line?indicator |
Lighting: The 4th?line of E1?local alarm. Flash: The 4th?line of E1?remote alarm. Lights out: The 4th?line of E1?normal. |
|
M/S |
Green |
main?preparation?indicator light |
Flash(1Hz): TMU for the motherboard. Flash(0.5Hz): TMU?prepared plate. Lighting / Lights out / Irregular?flashing: TMU fault |
|
PLL |
Green |
The phase?indicator |
Lighting :The clock?is in free?state of oscillation. Flash(4Hz): The clock?in the?capture state. Flash(1Hz): The clock?is locked. Lights out :Clock?phase?anomaly |
GSM wireless base s
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- Keynote Telecom Technology Limited
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- AddressRoom 303-304 , Block B, Yicheng Technology Centre,Rong Hua Nan Road,Yi Zhuang Economic Development , Tongchuan, Shaanxi
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