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Плата управления Juniper SCBE2-MX, для MX240/480/960,1 порт 1000GE RJ-45,2 порта SFP+,ОС Junos(New)

Juniper
Артикул: SCBE2-MX
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SCBE2-MX Description

The MX Enhanced Switch Control Board (SCBE2-MX) serves the carrier Ethernet services router and carrier Ethernet transport markets that require higher-capacity traffic support, demanding greater interface density (slot and capacity scale) as well as improved services. The SCBE-MX is supported on MX960, MX480, and MX240 routers.

The SCBE2-MX is installed vertically in the MX960 chassis and horizontally in the MX480 and MX240 chassis. The routing engine is installed directly into a slot on the SCBE2-MX (see Figure 1).

Figure 1: SCBE2-MX


Software release

·         Junos OS Release 13.3 R1 and later

·         Name in CLI: SCBE2

Requirements

For proper cooling, you must install MX-series high-capacity fan trays in the MX chassis. Additionally, for the MX960, you must install a high-capacity filter tray.

SCBE2-MX Features

·         Provides improved fabric performance for high-capacity line cards using the third generation fabric XF2 chip.

·         Provides bandwidth of up to 340 Gbps per slot with redundant fabric support and 480 Gbps per slot without redundant fabric support.

·         Provides a central clocking module and a centralized clocking architecture that supports clock cleanup and distribution. The Stratum 3 clock module performs clock monitoring, filtering, and holdover at a centralized chassis location.

·         Supports dynamic multicast replication.

·         Supports GRES.

·         Supports MPC line cards. Does not support DPCs.

·         Allows you to configure the system such that one SCBE2-MX supports a GPS interface, and the other SCBE2-MX supports a BITS interface.

·         Provides support for cross-coupling of clock input. This requires an enhanced midplane:

·         MX960—CHAS-BP3-MX960-S

·         MX480—CHAS-BP3-MX480-S

·         MX240—CHAS-BP3-MX240-S

SCBE2-MX Components

·         Control Board and Routing Engine (CB-RE) mastership mechanism.

·         External clock interface—Allows BITS or GPS clock source input to the centralized timing circuit, or allows centralized timing to be output to BITS or GPS.

·         Switch fabric—Provides switching functions for MPCs.

·         1000Base-T Ethernet controller—Provides a 1 Gbps Ethernet link between the Routing Engines.

·         Power circuits for the Routing Engine and the SCBE2-MX.

·         LEDs—Provide status of the SCBE2-MX and the clocking interface.

SCBE2-MX Slots

For the MX960:

·         You can install up to three SCBE2-MX’s in the MX960 router chassis.

·         SCBE2-MX’s are installed vertically into the front of the MX960 chassis in the slots labeled 01, and 2. If any slots are empty, you must install a blank panel.

·         The two SCBE2-MX’s residing in slot 6 and slot 7 of the MX960 chassis provide both control and switch fabric features, while the third SCBE2-MX residing in slot 8 of the chassis (hybrid slot) will only do fabric functions.

For the MX480 and MX240 routers:

·         You can install either one or two SCBE2-MX’s in the MX480 and MX240 router chassis.

SCBE2-MX’s are installed horizontally into the front of the MX480 and MX240 chassis in the slots labeled 0 and 1. If any slots are empty, you must install a blank panel.

SCBE2-MX Fabric Planes and Redundancy

For the MX960:

·         Each SCBE2-MX provides two switch fabric planes for packet forwarding among the MPCs in the MX960.

·         The MX960 chassis may contain up to three SCBE2-MX's Therefore, six fabric planes are available.

·         Three SCBE2-MX’s are required for 2 + 1 redundancy.

·         In redundant fabric mode, four fabric planes fr om the first two SCBE2-MX’s will be in Active mode, and two fabric planes from the third SCBE2-MX will be in Spare mode.

·         In a non-redundant fabric mode, all six fabric planes will be in Active mode to increase fabric bandwidth.

For the MX240 and MX480 routers:

·         Each SCBE2-MX provides four switch fabric planes for packet forwarding among the MPCs in the MX480 and MX240 chassis.

·         The MX480 and MX240 routers contain a maximum of two SCBE2-MX’s. Therefore, eight logical planes are available.

·         Two SCBE2-MX’s are required for 1 + 1 redundancy.

·         In redundant fabric mode, four fabric planes from the first SCBE2-MX will be in Active mode, and four fabric planes from the second SCBE2-MX will be in Spare mode.

·         In a non-redundant fabric mode, all eight fabric planes will be in Active mode to provide increased fabric bandwidth.

·         Each fabric ASIC is configured in virtual plane mode, wh ere two virtual planes exist on one fabric ASIC.

Weight and Dimensions

·         Weight: 9.6 lb (4.4 kg) (with Routing Engine installed)

·         Width: 17 in (43.2 cm)

·         Depth: 22 in (55.9 cm)

·         Height: 1.25 in (3.2 cm) height.

Maximum Power Requirements

SCBE2-MX (applies to MX240, MX480, and MX960)

185 W at 55° C

160 W at 40° C

155 W at 25° C

LEDs

·         FABRIC ACTIVEFABRIC ONLY, and OK/FAIL LEDs indicate the status of the SCBE2-MX.

·         The BITSGPS, and UTI LEDs, located next to the EXT CLK port, indicate the status of the respective clocking interface.

·         The LINK LED located next to the two Ethernet ports, indicate the status of the respective SFP+ interface.

For more information about the SCBE2-MX LEDs, see SCBE2-MX LEDs.

SCBE2-MX Interoperability with Existing Hardware

SCBE2 Operating Mode

MX240/480/960

Supported

Enhanced IP/Enhanced Ethernet Mode Only

DPC/MS-DPC

No

MS-MPC

Yes

MPC1

Yes

MPC2

Yes

MPC3

Yes

MPC4

Yes

MPC2-NG

Yes

MPC3-NG

Yes

16x10GE MPC

Yes

MPC5

Yes

MPC6

No

MPC7 (480 Gbps)

Yes

MPC8 (960 Gbps)

No

MPC9 (1.6 Tbps)

No

Routing Engines

RE-S-1300(EOLed)

RE-S-2000 (EOLed)

RE-S-1800 (all variants)

RE-S-X6 (all variants)

yes

yes

yes

yes

SCBE2-MX LEDs

FABRIC ACTIVEFABRIC ONLY, and OK/FAIL LEDs indicate the status of the SCBE2-MX. The BITSGPS, and UTI LEDs, located next to the EXT CLK port, indicate the status of the respective clocking interface. The LINK LED located next to the two Ethernet ports, indicate the status of the respective SFP+ interface. Table 1 describes the functions of the SCBE2-MX LEDs.

Table 1: SCBE2-MX LEDs

Label

Color

State

Description

FABRIC ACTIVE

Green

On steadily

Fabric is in active mode.

FABRIC ONLY

Green

On steadily

SCBE2-MX operates in fabric-only mode.

Off

SCBE2-MX operates in fabric or control-board mode.

OK/FAIL

Green

On steadily

SCBE2-MX is online.

Red

On steadily

SCBE2-MX has failed.

Off

SCBE2-MX is offline.

BITS

Green

On steadily

Building-integrated timing supply (BITS) clocking interface is active.

Red

On steadily

BITS clocking interface has failed.

Off

BITS clocking interface is offline.

GPS

Green

On steadily

Global positioning system (GPS) clocking interface is active.

Red

On steadily

GPS clocking interface has failed.

Off

GPS clocking interface is offline.

UTI

Green

On steadily

Universal Timing Interface (UTI) clocking interface is active.

Red

On steadily

UTI clocking interface has failed.

Off

UTI clocking interface is offline.

LINK

Green

On steadily

Port is enabled and link is established.

Off

Port is disabled or no link is established.

 

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Плата управления Juniper SCBE2-MX, для MX240/480/960,1 порт 1000GE RJ-45,2 порта SFP+,ОС Junos(New)

Плата управления Juniper SCBE2-MX, для MX240/480/960, 1 порт 1000GE RJ-45, 2 порта SFP+, ОС Junos

211747