E3 3/1/0 2PORT CE (MAU EXCLUDED) The E3 3/1/0 Circuit Emulation Card performs the necessary operations to allow the transport of individual 64k time-slots, N*64k groups of timeslots, E1s,or full E3 circuits through an ATM network. This card supports both structured and unstructured service as defined by the ATM forum. This card requires MAU 90-2322-02 for deployment in 7470 PS-2 shelf or MAU 90-7308-02 for deployment in 7670 ESE shelf.

E1/T1 APS SHELF The E1/T1 APS Shelf consists of a card cage and a backplane which houses APS Cards that work with the 8-port CE cards. The shelf, together with the I/F CARD T1/E1 APS (90-6345-02) and CONTROL CARD T1/E1 APS (90-6346-01) provide N:1 Automatic Protection Switching support for T1/E1 CE Cards on the 7470 by switching the traffic on a failed card to the protection card.

E1 RJ45 Distribution Panel This E1 RJ45 Distribution Panel provides 8 external RJ45 interfaces to the 120 ohm E1 twisted pair ports of an E1CE card. It may only be used with E1 CE cards 90-2517-X2. The panel is a 1 vertical unit (VU) high rack mountable device.

E1 CE 75 OHM 8 PORT CARD The 8 Port E1 Circuit Emulation Card with 75 ohm interface impedance multiplexes and demultiplexes the circuits carried over a TDM channelized link and performs the necessary operations to allow the transport of these circuits through an ATM network. This card supports both structured and unstructured service as defined by the ATM Forum. This card is not certified for use with the CE-EC echo cancellation modules. Use the 120 ohm 8-port CE card with the CE-EC modules.

E1 CE 120 8 PORT The 8 Port E1 Circuit Emulation Card multiplexes/demultiplexes the circuits over a TDM channelized link and performs the necessary operations to allow the transport of these circuits through an ATM network. This card supports both structured and unstructured service as defined by the ATM Forum. Fits: 7470 or 7670 RSP ESE For 7670 RSP ESE, required adapter card is 90-7272-01.

E1 BNC DISTRIBUTION PANEL The E1 Coax Distribution Panel provides 8 external BNC interfaces to the 75 ohm E1 coaxial ports of an E1 line card. It may be used with any of the E1 cards (90-2541-x3 or 90-2544-x3). A D.78 cable connects the E1 card to the panel which provides a BNC connector for each port TX and one for each port RX. The panel is a 1 vertical unit (VU) high rack-mountable device. Grounding switches allow the service personnel to independantly ground any of the coaxial shields. This panel is shipped with 1VU mid-mount brackets.

E1 8 PORT FA 120/75 COAX DIST. PNL The Front Access Bal/Unbal BNC Distribution Panel provides 8 external BNC interfaces to the 120 ohm E1 ports of an E1 card. It may be used with any of the following cards: 90-4671-x2 (E1 CR), 90-2541-x2 (E1 UFR), 90-2544-x2 (E1 CFR), 90-2517-x2 (E1 CE), 90-6351-x2 (E1 CR), 90-7277-x5 (16 port E1 FR), 90-9729-x1 (16 port VoP), 90-9169-01 (32 Port MS), or 90-9730-01 (32 port VoP). A D78 cable connects the line card to the panel which provides a BNC connector for each port Tx and one for each port Rx. The panel is 1 vertical unit (VU) high rack-mountable device. The outer conductor is permanently tied to the chassis for EU compliance.

E1 8 PORT 120/75 COAX DIST.PNL The Bal/Unbal BNC Distribution Panel provides 8 external BNC interfaces to the 120 ohm E1 ports of an E1 card. It may be used with any of the following cards: 90-4671-x2 (E1 CR), 90-2541-x2 (E1 UFR), 90-2544-x2 (E1 CFR), 90-2517-x2 (E1 CE), 90-6351-x2 (E1 CR), 90-7277-x5 (16 port E1 FR) , 90-9729-x1 (16 port VoP), or 90-9169-01 (32 Port MS). A D78 cable (90-8269-01 for ESE and 90-2766-02/22 for 7470) connects the line card to the panel which provides a BNC connector for each port Tx and one for each port Rx. The panel is 1 vertical unit (VU) high rack-mountable device. This panel was changed in 2003 (PCN# 9541) to remove the grounding option in order to comply with the EU 2003 directive for EMC Class B emissions. The outer conductor is permanently tied to the chassis.

DUAL MAU This Dual MAU provides redundancy connectivity between adjacent pairs of redundant IP Services Cards (ISCs). The Dual MAU is mandatory to interconnect two adjacent ISC's running in 1+1 Redundancy mode. If the MAU is missing, the working card becomes active and the secondary ISC card is neither active nor providing redundancy. This Dual MAU is also used for redundant call processing cards on systems running non-integrated control software.

DSC-1310/NSX clei The Dual Switching Card is a scalable cell switching fabric card which can terminate the transmit interface of up to two 800 Mbps ISL links. The associated Dual Receiver Card terminates the ISL link received interface. One to eight Dual Switching Cards can be installed in the Switching Shelf Cardfile to create cell fabrics of 1.6 Gbps to 12.8 Gbps.

DS3/E3 SWITCHING MAU clei The DS3/E3 Switching MAU provides two pairs of coaxial connectors for all single port DS3 or E3 interface cards. One pair connects to the Tx and Rx of the primary card and the other is used to route to a sparing card via the sparing control panel (90-4918-01). This assembly contains a Telcordia CLEI (Common Language Equipment Identifier) label.

DS3/E3 SPARING PANEL clei DS3/E3 SPARING/PROTECTION PANEL. This protection panel is used in conjunction with the 90-4919-01 DS3/E3 switching MAU in 1:N applications that use single port DS3 or single port E3 cards. A cable is available per 90-4920-01. This assembly contains a Telcordia CLEI (Common Language Equipment Identifier) label.

DS3-2 ATM UNI/NNI W/CPU-2 CLEI This card may be used in 7470 MSP R6.0 - R9.1 or 7670 ESE R2.2 - R5.X systems.The DS3-2 ATM Card w/CPU-2 is a triple port card. Each port is either a UNI or NNI operating at 45Mbps. Each interface has dual coax BNC connectors with a range of 450 feet. The DS3-2 card is fully compliant to the mandatory requirements of the ATM Forum UNI specification (version 3.1). This DS3-2 card provides 4.5K connections per port, larger buffers, more service categories, substantially higher call processing capabilities and a Traffic Shaping Module position for support of the optional enhanced traffic management features. The Multi-Service Traffic Shaping Module (MTSM), 90-4724-01, is *NOT* supported on this card. The enhanced Traffic Management (eTM) module is supported and can be ordered as 90-7695-01. This card requires MAU 90-2322-02 for deployment in 7470 PS-2 shelf or MAU 90-7308-01 (DS3) for deployment in the 7670 ESE shelf. The 90-2322-01 and 90-7308-01 MAUs are not shipped with the DS3-2 card and each must be ordered separately. The DS3-2 card can be used in a 7670 ESE node with the appropriate adaptor card. This assembly contains a Telcordia CLEI (Common Language Equipment Identifier) label.

DS3 UFR clei The DS3 Unchannelized Frame Relay Card provides a single standards-compliant DS3 interface to the 7470 or 7670 ESE system. This interface terminates one unchannelized frame relay stream and will perfor m standards-based frame switching network-interworking or service-interworking. This assembly contains a Telcordia CLEI (Common Language Equipment Identifier) label. In the 7470, the card requires MAU 90-4919-01. In the 7670 ESE, adapter card 90-7307-02 and MAU 90-7308-01 are necessary.

DS3 CCE-2 3/1/0 3-PORT CE (NO MAU) clei The DS3 CCE-2 3/1/0 Circuit Emulation card performs the necessary operations to allow the transport of individual DSos, N*64k groups of DS0s, DS1s, or full DS3 circuits through an ATM network. This card supports both structured and unstructured service as defined by the ATM forum. This card requires MAU 90-2322-02 for deployment in 7470 PS-2 shelf or MAU 90-7308-02 for deployment in 7670 ESE shelf.

DS3 8 PORT 75 OHM BNC DIST. PANEL clei This distribution panel provides 8 external 75 Ohm BNC ports and is to be used with the 8 port DS3 CR card (90-8975-11). The panel is a 1 vertical unit (VU) high rack-mountable device. This assembly contains a Telcordia CLEI (Common Language Equipment Identifier) label.

DRX-1310 clei The Dual Receiver Card can terminate the received interface of up to two 800 Mbps ISL links. One to eight Dual Receiver Cards can be installed in the Switching Shelf Cardfile for a total throughput of 12.8Gbps. This card is identical to the 90-2183-01 except with 1310 Nm optics. This assembly contains a Telcordia CLEI (Common Language Equipment Identifier) label.

DRX FILLER PLATE 7 PK This package includes seven (7) Filler Plate Cards for the DRX slots of the Switching Shelf. The Switching Shelf has a total of eight (8) DRX card slots.

DB78 TO DUAL TELCO 50 1M D.PNL CABLE This 1 meter cable connects one 16 port T1 or E1 Frame Relay card (90-7277-xx) to two 8 port T1/E1 RJ-45 Distribution Panels(90-2543-X1).

DB78 TO DUAL DB78 3M D.PNL CABLE 7470 CABLE: This 3 meter cable connects one 16 port line card to one 16 port T1/E1 Distribution Panel (90-8307-X1). Supported Line Cards include: T1 or E1 Frame Relay (90-7277-xx). This cable may also be used to connect one 16 port E1 line card to two 8 port E1 75 ohm Distribution Panels (90-6398-X1). Supported Line Cards include: 90-7277-xx (E1 Frame Relay), 90-9729-x1(16 port VoP). This is a 7470 cable, not an ESE cable. The 32 port cards on the ESE require cable 90-8269-02.