Huawei OSN500 TNM1CQ1 processing board supports 4 ports channelized STM-1


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TNM1CQ1 Overview

Huawei OSN500 TNM1CQ1 processing board supports 4 ports channelized STM-1

The functional version of CQ1 boards is TNM1.


The feature code of a board refers to the number next to the board name in the bar code and indicates the type of optical port. CQ1 boards have feature codes.

Feature codes of the CQ1

Feature Code Type of Optical Port
01 S-1.1, eSFP optical module
02 L-1.1, eSFP optical module
03 L-1.2, eSFP optical module
04 S-1.1, single-fiber bidirectional optical module (For optical ports 1 and 2, the transmit wavelength is 1310 nm and the receive wavelength is 1550 nm; for optical ports 3 and 4, the transmit wavelength is 1550 nm and the receive wavelength is 1310 nm.)


TNM1CQ1 Valid Slots

A CQ1 board can be inserted in slot 3 or slot 4, with slot 4 preferred. Its logical slot on the network management system (NMS) is the same as its physical slot.


TNM1CQ1 Technical Specifications

This section describes board specifications, including the STM-1 optical/electrical port performance, mechanical behaviors, and power consumption.


Mechanical specifications of the CQ1

Item Performance
Dimensions (H x W x D) 19.8 mm x 193.8 mm x 205.9 mm
Weight 0.47 kg
Typical power consumption 16.0 W
Maximum power consumption 17.0 W
Function and Feature Board
Basic functions Receives/Transmits four channels of channelized STM-1 optical/electrical signals.
Supported packet service types
  • Circuit emulation service (CES) E1
  • ML-PPP E1
Port specifications Optical ports
  • Provides four STM-1 SFP optical ports, which can be S-1.1, L-1.1, or L-1.2 optical ports.
  • Supports single-fiber bidirectional optical modules.
Electrical ports
  • Use SFP electrical modules.
  • Comply with ITU-T G.703.
CES Maximum number of services 252
Encapsulation mode
  • CESoPSN (CESoPSN stands for circuit emulation services over packet switch networks)
  • SAToP (SAToP stands for Structure-Agnostic Time Division Multiplexing over Packet)
Idle timeslot compression Supported only in CESoPSN mode
Jitter buffering time (us) 375 to 16,000
Packet loading time (us) 125 to 5,000
CES ACR(ACR stands for adaptive clock recovery) Supported, but the NE can only function as a master node
Transparent transmission of SDH overheads in packet networks D1 to D12, E1, and E2 bytes
ML-PPP Type of links carrying ML-PPP links VC-12s in channelized STM-1s (service type: PWE3 over tunnel)
Maximum number of supported PPP links 252
Maximum number of supported ML-PPP groups 32
Number of member links supported in an ML-PPP group 16
Linear multiplex section protection (LMSP) on the packet plane 1:1 LMSP


A CQ1 board and a TDM service board, such as SL1D/SL1Q, cannot be configured into the same 1:1 LMSP protection group.

Maintenance features Loopback
  • Supports inloops at STM-1 ports.
  • Supports outloops at STM-1 ports.
  • Supports inloops over E1 channels.
  • Supports outloops over E1 channels.
Warm and cold resetting Supported
Switching a laser on or off Supported
Pseudo random binary sequence (PRBS) testing Not supported
Manufacturer information querying Supported
Power consumption querying Supported
SFP module information detecting and querying Supported
Hot board swapping Supported
Synchronization: Clock source
  • Each board supports two channels of E1 clock signals over its STM-1 ports.
Inband DCN Transmits DCN information over ML-PPP links.



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