OptiX 155/622H Metro1000 SS49SCBL Master Cross Clock Board-Optical transimission network

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System Control Board

OptiX 155/622H Metro1000 SS49SCBL Master Cross Clock Board

SS49SCBL single board integrates master SCC, cross XC, clock STG, official EOW, STM-1/STM-4/STM-16 line and E1 tributary units, with high-order cross capacity of 21.25G and low-order cross capacity of 5G, which can realize service scheduling among line-to-line, line-to-tributary and tributary-to-tributary.

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Product Introduction

Products

Huawei SDH Transmission Equipment Metro1000 SS49SCBL01 Technical Parameters Introduction

The panel of the SS49SCBL single board has single board indicators, interfaces, bar codes, and laser security level labels.

Panel diagram
Figure 1 Panel diagram of the SCB single board

Table 1 Panel description of SCB single board

Labeling	Silkscreen	Description
1	SYNC 1/2	2 external clock inputs and outputs, 120 Ω. Can be used for transparent transmission of DCC. The clock interface can also be used as a high-precision synchronous time 1pps interface.
2	16-1	16-way E1 interface, 2mmHM connector, 75Ω/120Ω.
3	RST	Reset Button. Press this button to soft reset the SCB veneer.
4	RUN/CRT	Device status indicator.
5	ETHERNET	Network management interface, RJ-45 type connector, rate 10M/100M.
6	com2, alm out1, modem(f)	1 transparent data port, 1st switching output port, local modem interface and remote network management interface. rj-45 type connector.
	COM3, OUT2	1 transparent data port, 2nd switching output port, debugging serial port, synchronous time interface. rj-45 type connector.
	COM4(F3), IN 1/2	1 transparent data port, 1st and 2nd switch input port, synchronous time interface. rj-45 type connector.
	F2, IN 3/4	1 transparent data port, 3rd and 4th switching inputs, synchronous time connector, RJ-45 type connector.
7	1	1st optical interface, supports STM-1 or STM-4 or STM-16.
8	LOS	Optical interface indicator. The upper alarm lamp corresponds to the right optical interface, and the lower alarm lamp corresponds to the left optical interface.
9	2	The 2nd optical interface, supports STM-1 or STM-4 or STM-16.
10	PHONE	2-wire business telephone interface, RJ-11 type connector.

Indicator Lights
Table 2 Description of Indicator Lights for SCB Single Boards

Indicator Name	Indicator status	Meaning
RUN-Green run light	Blinks once every 2 seconds	Normal operating status of the device
	Blinks every 4 seconds	Database protection mode; interruption of communication between single board and master control unit
	Blinks 5 times every 1 second	Program startup/loading; veneer is not in working state
	Blinks about 2 times every 1 second	Erase host software
	Blinks 1 time per 1 second	Host software not loaded
	3s on, 3s off	Normal operation state in cooperation mode
	2s on, 2s off	Extended BIOS state in match mode
CRT-emergency warning light	Out	There is no emergency alarm on the device
	Lights up	Device has emergency alarm
	2s on, 2s off	Extended BIOS state in cooperation mode
ETHERNET-MANAGED INTERFACE DATA TRANSMITTING INDICATOR (orange)	Bright or blinking	Network interface is sending and receiving data
	Out	No data is being sent or received by the network interface
ETHERNET-network management interface connection status indicator (green)	Bright	The network cable is successfully connected to the interface
	Out	Network cable and interface connection failed
Orange indicator on the 4 RJ-45 transparent data/switching interfaces	Lights up	Transparent data/external time data transmission
	Out	No transparent data/external time data transfer
Green LED on the 4 RJ-45 transparent data/switching interfaces	Lights up	With switching alarm input or output
	Out	No switching alarm input or output
LOS-optical interface signal indicator (red)	Bright	No optical signal is received at the optical interface
	Blinks 3 times every 1 second	Light received too strong
	Blinks 1 time every 1 second	Too weak light reception
	Blinks 1 time every 3 seconds	MS_RDI alarm received by optical port
	Out	The optical interface receives the optical signal normally

Interface
Table 3 SYNC 1/2 External Clock Interface Pin Descriptions

Pin number	Pin Definition	Pin Definition
1	EXT1R+	1st external clock input
2	EXT1R-	1st external clock input
4	EXT1T+	1st external clock output port/1st 1pps output port
5 EXT1T+	EXT1T-	1st external clock output port/1st 1pps output port
3 EXT2R+	EXT2R+	2nd external clock input
6	EXT2R-	2nd external clock input
7 EXT2T+	EXT2T+	2nd external clock output port/2nd 1pps output port
8 EXT2T-	EXT2T-	2nd external clock output port/2nd 1pps output port

Table 4 Ethernet Network Management Interface Pin Descriptions

Pin Number	Pin Definition	Function
1	ENT_TX+O	Connects to the network tube
2	ENT_TX-O
3	ENT_RX+O
4	PGND
5 PGND	PGND
6 PGND	ENT_RX-O
7 PGND	PGND
8 PGND	PGND

Table 5 COM2, ALM OUT1, MODEM (F) Interface Pin Descriptions

Pin Number	Pin Definition	Function
1	RS232_DTR_O	Modem's DTR signal
2	HDD_RXD0_O	Broadcast transparent receive data (X1 byte)
3	HDD_TXD0_O	Broadcast Transparent Transmit Data (X1 byte)
4	PGND	Signal ground
5	RS232_RXD_O	Debugging serial port/X.25 interface receive data
6 RS232_TXD_O	RS232_TXD_O	Debug Serial/X.25 Interface Send Data
7	K1OUTA	Switching output 1
8	K1OUTB	Switching output 1

Table 6 COM3, OUT2 Interface Pin Descriptions

Pin No.	Pin Definition	Function
PGND	PGND	Signal Ground
2 PGND	HDD_RXD1_O	Broadcast transparent receive data (X2 bytes)
3	HDD_TXD1_O	Broadcast Transparent Transmit Data (X2 bytes) / 1st Outside Time Transmit Data Port
4	PGND	Signal ground
5	F_RX_O	Extended serial port input
6 F_TX_O	F_TX_O	Extended Serial Output
7	K2OUTA	Switching output 2
8	K2OUTB	Switching output 2

Table 7 COM4 (F3), IN1/2 Interface Pin Descriptions

Pin No.	Pin Definition	Function
1	PGND	Signal Ground
2 PGND	HDD_RXD2_O	Broadcast Transparent Receive Data (X3 bytes)
3	HDD_TXD2_O	Broadcast Transparent Transmit Data (X3 bytes) / 2nd Outside Time Transmit Data Port
4	PGND	Signal ground
5	KGIN_1	Switching input 1
6 KGINGND_1	KGINGND_1	Switching input 1
7	KGIN_2	Switching input 2
8 KGINGND_2	KGINGND_2	Switching input 2

Table 8 F2, IN3/4 Interface Pin Descriptions

Pin No.	Pin Definition	Function
PGND_1	PGND	Signal Ground
2 PGND	HDD_RXD3_O	Broadcast transparent receive data (X4 bytes)
3	HDD_TXD3_O	Broadcast Transparent Transmit Data (X4 bytes)
4	PGND	Signal ground
5	KGIN_3	Switching input 3
6 KGINGND_3	KGINGND_3	Switching input 3
7	KGIN_4	Switching input 4
8 KGINGND_4	KGINGND_4	Switching input 4

Table 9 PHONE Interface Pin Descriptions

Pin No.	Pin Definition	Function
1	NC	Not used
2	NC	Not used
3	PHONE_AO	Business Phone Port-A
4	PHONE_BO	Business Phone Port-B
5	NC	Not Used
6	NC	Not Used

II OptiX 155/622H Metro1000 SS49SCBL Functions and Characteristics
Table 1 Functions and Characteristics of SCB Single Boards

Functions and Features	Description
Crossover Functions	High-order crossover capacity is 21.25G and low-order crossover capacity is 5G. Supports VC-4/VC-3/VC-12 level cross-connections, which enables service scheduling between line-to-line, line-to-branch, and branch-to-branch.
Line Function	Provides two STM-1/STM-4/STM-16 optical interfaces, and the optical interfaces support hot-swappable SFP optical modules. The STM-1 optical interface is called OI2D, the STM-4 optical interface is called OI4D, and the STM-16 optical interface is called OI16D. The optical interface of STM-16 provides S-16.1 type of optical modules, and the optical interface uses LC connectors. The STM-4 optical interface provides S-4.1, L-4.1, and L-4.2 type optical modules, and the optical interface uses SC/LC connectors. The STM-1 optical interface provides S-1.1, L-1.1, and L-1.2 types of optical modules, and the optical interface uses SC/LC connectors. Provides 2-way synchronized timing sources for the clock unit. Support 1588 V2 time synchronization function to realize network-wide time synchronization. Segment overhead, high-order channel overhead processing. Supports K-byte upload, K-byte send, and K-byte passthrough settings. Provides transparent DCC (Data Communication Channel) and official byte channel. Supports setting and querying of J0/J1/C2 bytes. AU pointer handling. Supports maintenance functions such as VC-4 channel inner and outer loopback, transmit/receive overhead byte setting, K-byte pass-through test, and checksum. Supports multiplexed segment protection and laser auto shutdown function.
Branch circuit function	Provides access to 16 E1 signals. Supports E1 asynchronous mapping method to map E1 asynchronously into VC-12 virtual container. Provides 75Ω unbalanced and 120Ω balanced interfaces, and the interface characteristics meet the requirements of ITU-T G.703 recommendations. Handles VC-12 channel overhead, configures, alarms and monitors the performance of each service channel, and communicates with the master control unit. Provides internal and external loopback function, which can test the quality of E1 service or find the fault point, and is convenient for maintenance. Provides a synchronized timing source for the clock unit.
Clock Function	Supports non-SSM, standard SSM and extended SSM protocols. Provides synchronized clocks required by each single board of the system. Supports three operating modes: tracking, holding and free oscillation. Support clock source priority control. Support clock source inversion function control. Supports processing and setting of S1 byte. Provides two 2048kHz or 2048kbit/s external clock interfaces with 120Ω interface impedance.
Time Function	Provide 2 channels of 1588 V2 time output interface, time synchronization function technology to meet the IEEE 1588 V2 recommendations. The external time interface of the SS49SCBVER.B supports the output of 1pps (also known as second pulse) and 1588 V2 time information. 1pps uses the TTL level form, and the external time serial interface uses the RS-232 level form. The external time interface of the SS49SCBVER.E supports the input and output of 1pps (a.k.a. second pulses) and 1588 V2 time messages. 1pps and the external time serial port use the RS-422 level format. The 1pps port is multiplexed with the external clock interface, and this external clock interface function is disabled when the 1pps function is enabled. The external time serial port is multiplexed with the COM3 and COM4 transparent data ports, and the transparent data port function is disabled when the external time function is enabled.
Master Control Function	Provides information exchange function with other single boards, realizes data configuration of the device, and collects performance and alarm data. Provide standard Ethernet interface and RS-232 DTE (Data Terminal Equipments) interface for network management.
Official Functions	Provide one way official telephone, support conference call and broadcast function. Provides 4 RJ-45 RS-232 serial data interfaces to support point-to-multipoint device connection and transparent transmission of user data. Provides 4 input and 2 output switching interfaces. The switching input interface is mainly used for monitoring the status of external devices, and the switching output interface is mainly used for outputting alarm instructions and controlling external devices.
Other Functions	Provide performance detection, alarm detection and reporting functions. Provides 18 channels of ECC (Embedded Control Channel). The external clock interface can transparently transmit DCC (Data Communication Channel) bytes, which can be used for interoperating management information when OptiX 155/622H is mixed with third-party devices. Provides fan alarm and management functions.

Description:
III OptiX 155/622H Metro1000 SS49SCBL Specifications
Optical Interface Specifications

See Technical Specifications for OI2D optical interface metrics.

See Technical Specifications for OI4D optical interface metrics.

See specifications for OI16D optical interface.

Electrical interface indicators
Mechanical indicators

Dimensions (W×D×H): 321.0mm×218.5mm×24.0mm

Weight: 0.8kg

OptiX 155/622H Metro1000 SS49SCBL Power Consumption

The following panel diagram of the SCB single board is introduced as an example of the SC optical interface type of the SS49SCB VER.B, as shown in Figure 1.

The panel of the SCB veneer board has a device status indicator, a network management interface indicator, a data port indicator, and an optical interface indicator, and the descriptions of the indicators are shown in Table 2.

The SYNC 1/2 external clock interface pin descriptions are shown in Table 3.

The Ethernet network management interface pin descriptions are shown in Table 4.

COM2, ALM OUT1, and MODEM (F) interface pin descriptions are shown in Table 5.

COM3, OUT2 interface pin descriptions are shown in Table 6.

COM4 (F3), IN1/2 interface pin descriptions are shown in Table 7.

F2, IN3/4 interface pin description is shown in Table 8.

The PHONE business phone interface pin descriptions are shown in Table 9.

The optical interface on the SCB single board panel is an SC/LC type optical interface for sending and receiving TM-1/STM-4/STM-16S optical signals.

The SCB single board integrates the main control SCC (System Control & Communication), crossover XC (Cross-Connect), clock STG (Synchronous Timing Generator), and official business EOW (Engineering Orderwire), STM-1/STM-4/STM-16 line (OI2D/OI4D/OI16D) and E1 branch (SP2D) units.

The functions and features supported by the SCB single board are shown in Table 1.

The SS46SCB does not support the 1588 V2 time feature, business phone, and transparent data port, while the IU3 slot does not support ECC communications.

The SCB single board technical specifications include optical interface specifications, electrical interface specifications, single board size, weight and power consumption.

SCB single board integrates line interface of STM-1/STM-4/STM-16 optical interface rate, STM-1 optical interface is called OI2D, STM-4 optical interface is called OI4D, and STM-16 optical interface is called OI16D.

The SCB veneer board integrates 16 E1 electrical interfaces, and the E1 tributary veneer board is called SP2D. For the electrical interface specifications of the SP2D veneer board, please refer to the technical specifications.

The mechanical specifications of the SCB veneer board are as follows:

The maximum power consumption of the SS49SCBL single board at room temperature (25°C) is 21W.

The maximum power consumption of SS46SCB veneer board is 25W at room temperature (25℃).

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