Huawei HONET FA16 H601ATI E&M Audio Interface-Optical transimission network

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Huawei HONET FA16 H601ATI E&M Audio Interface

FA16 H601ATI board can provide 2/4-wire audio line and 1E1M signaling line for each channel, and does not support 2E2M. when the E and M signaling lines are not used, its 2/4-wire audio line can be used independently to transmit audio signals. the H601ATI board's audio interface level is adjustable by software, and the 2/4-wire setup is accomplished by the hardware jumper in combination with the software setup.

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Product Introduction

Products

Huawei H601ATI-2/4-wire E&M Interface Board

1. Main Functions

The FA16 H601ATI board connects to the H601ATI board at the opposite end through the semi-permanent connection channel of the access network. The H601ATI board detects the E&M signaling signals, and when the signaling signals are changed, it occupies the channel and sends the signaling through the encoding to the opposite end, and after detecting the received signaling encoding, it controls the corresponding interface of the board to do the corresponding signaling output, and the interface usually The interface normally occupies the channel resources. Thus, H601ATI board completes the transparent transmission of signaling signals and voice path signals.

2.Huawei HONET FA16 H601ATIOverview

This section introduces the functions, principles, panel descriptions, external interfaces, dip switches, interface signal definitions, and board parameters of the ATI (Analog Trunk Interface) board.

The ATI veneer board is a 2/4-wire E&M signaling audio interface board. The ATI veneer board is compatible with the user board slots, and can provide six 2/4-wire E&M signaling audio interface functions.

Figure 1 ATI external relationship diagram

Description:

3.Huawei HONET FA16 H601 ATIPrinciple

Figure 2 ATI single board schematic

The basic principle of ATI is described as follows:

The monitoring module monitors the operation status of the single board, performs reset operations on the single board when the single board operates abnormally, and receives and sends E&M signaling.
The line module completes PCM (Pulse Code Modulation) compilation and filtering, and sends and recognizes DC signaling and pulses.
The conversion module inserts the corresponding time slots in the HW, reads the E&M signaling, and implements the switching network function to dynamically occupy any one of the two HW time slots.
The master-slave serial port completes the communication between the single board and the host, and transmits the status, configuration, alarm and other information of the single board to the host.
The power supply module provides working power for each functional module in the single board.

4.Huawei HONET FA16 H601ATIOverviewPanel Description

Table 1 ATI panel and description


	RUN: Running status indicator Description: The RUN light is green for the shielded handstrip veneer and red for the unshielded handstrip veneer.
	Lamp 0.25s on 0.25 off cycle blinking	Communication between the board and the host is interrupted
	Lamp 1s on 1s off cycle blinking	Normal operation of single board
	Lamp is always on/off	Abnormal operation of single board

	CH1～CH6: Channel Occupancy Indicators
	Blinking	Channel is in connecting state
	Always on	Channel connection is complete, you can talk or are already in a talk state

	EM2: EM2 trunk interface indicator light
	EM2/EM4/AT2 three lights are on at the same time	ATI is not configured for service
	Among the three lights of EM2/EM4/AT2, only EM2 is on.	ATI configured as EM2 trunk interface

	EM4: EM4 trunk interface indicator light
	Reserved, not available. Only EM2 mode is currently supported.

	AT2: AT2 trunk interface indicator
	Reserved, not available. Currently only EM2 mode is supported.

5.Huawei HONET FA16 H601 ATIExternal Interface

The ATI interfaces are distributed on the backplane or the corresponding adapter board, and the interface descriptions are shown in Table 2.

Table 2 ATI interface description

Interface	Function	Position	Connection Description
6 E&M interfaces	Access User	Backplane (Rear Maintenance Frame)	Connects to the patch panel using an ATI trunk cable - rear maintenance.
6 E&M interfaces	Access User	SLTF Adapter Board (Front Maintenance Frame)	Connects to a patch panel using an ATI trunk cable - front maintenance.

Description:

On the ATI single board, the resistance of the E&M signaling line is configurable to 3200 ohms and 5400 ohms. When the jumper cap is inserted, it indicates that the resistance is configured to 3200 ohms, and when the jumper cap is removed, it indicates that the resistance is configured to 5400 ohms. By default, the jumper cap is unplugged.

6.Huawei HONET FA16 H601 ATIDIP Switch

Figure 3 ATI DIP Switch Schematic Diagram

The ATI dipswitch setting instructions are shown in Table 3.

Table 3 ATI dipswitch setting description

DIP Switch	Function	Meaning	Factory setting
S8~S10, S1~S3	1～6-way interface relay mode selection: S8->CH1 S9->CH2 S10->CH3 S1->CH4 S2->CH5 S3->CH6	When the corresponding interface is used for Bell Class IV: bits 1, 3, and 5 are ON, and the other bits are OFF. When the corresponding interface is used for Bell Class V EM2 interface: bits 2, 5 are ON, other bits are OFF.	Bell V Class EM2 Interface
SW1 to SW6	1 to 6-way interface audio input method selection: SW1->CH2 SW2->CH3 SW3->CH1 SW4->CH5 SW5->CH6 SW6->CH4	When audio AB two-wire input: 1,4 is ON, 2,3 is 0FF. When audio ABCD four-wire input: 1,4 is OFF, 2,3 is ON.	Four-wire

This product technical parameters and product characteristics by Shenzhen Guihang Network Technology Co., Ltd (www.opticaltrans.com), reproduced please retain. Huawei SDH Optical Transmission Equipment, SDH Transmission Equipment Sales Tel: 18529092692 Welcome to call us!

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