TEST CARD The Test Card provides metallic test access (Monitor <(>&<)> Split) to the customer loop on 3600 channel units. Test ac cess jacks are provided for the metallic test bus. Contains a DS0 interface for OCU-DP testing, with test access jacks and 5 pin connectors clock for Tx/Rx. Plugs into any UCS.

TEST CARD The Test Card provides metallic test access (Monitor <(>&<)> Split) to the customer loop on 3600 channel units. Test ac cess jacks are provided for the metallic test bus. Contains a DS0 interface for OCU-DP testing, with test access jacks and 5 pin connectors clock for Tx/Rx. Plugs into any UCS.

TEST CARD The Test Card provides metallic test access (Monitor <(>&<)> Split) to the customer loop on 3600 channel units. Test ac cess jacks are provided for the metallic test bus. Contains a DS0 interface for OCU-DP testing, with test access jacks and 5 pin connectors clock for Tx/Rx. Plugs into any UCS.

TEST MODULE The Test Module is an add on module for the existing Test Card (90-1235-01) providing these functions: Analog and Digital Tone Test, Bit Error Rate Test, Bit Errors Insertion, Round Trip Delay Measur ement and DDS Signaling Test.

TEST MODULE The Test Module is an add on module for the existing Test Card (90-1235-01) providing these functions: Analog and Digital Tone Test, Bit Error Rate Test, Bit Errors Insertion, Round Trip Delay Measur ement and DDS Signaling Test.

The DS3 CE card provides the termination of a single DS3 circuit emulation interface channelized down to DS1.

The DS3-2 ATM Card w/CPU-2 is a triple port card. Each port is both a UNI and NNI DS3 ATM interface 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 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) can be ordered as 90-4724-01. The enhanced Traffic Management (eTM) module can be ordered as 90-7695-01. This card requires MAU 90-2322-02 for deployment in 7470 PS-2 shelf or MAU 90-7308-02 for deployment in 7670 ESE shelf. The 90-2322-01 and 90-7308-02 MAUs are not shipped with the DS3-2 card and each must be ordered separately. The DS3-2 card can be used in a R2.0 7670 ESE node. This card ships with R5.0 S/W.

The DS3-2 ATM Card w/CPU-2 is a triple port card. Each port is both a UNI and NNI DS3 ATM interface 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 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) can be ordered as 90-4724-01. The enhanced Traffic Management (eTM) module can be ordered as 90-7695-01. This card requires MAU 90-2322-02 for deployment in 7470 PS-2 shelf or MAU 90-7308-02 for deployment in 7670 ESE shelf. The 90-2322-01 and 90-7308-02 MAUs are not shipped with the DS3-2 card and each must be ordered separately. The DS3-2 card can be used in a R2.2 (or higher) 7670 ESE node.

The E3 Channelized Circuit Emulation Card provides a single 34 Mb/s TDM interface. The E3 port is channelized into 16 E1 channels. The card performs the ATM adaption function to map each of the 16 channels into ATM virtual circuits. The card is shipped with the DS3/E3 SWITCHING MAU (90-4919-01) which provides two pairs of coaxial connectors. This card is delivered with R4.0 application software.

The E3-2 ATM Card w/CPU-2 is a triple port card. Each port is both a UNI or NNI E3 ATM interface operating at 45Mbps. Each interface has dual coax BNC connectors with a range of 450 feet. The E3-2 card is fully compliant to the mandatory requirements of the ATM Forum UNI specification(version 3.1). This E3 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 enhaned traffic management features. The Multi-Service Traffic Shaping Module(MTSM) can be ordered as 90-4724-01. The enhanced Traffic Management (eTM) module can be ordered as 90-7695-01. This card requires MAU 90-2322-02 for deployment in 7470 PS-2 shelf or MAU 90-7308-02 for deployment in 7670 ESE shelf. The 90-2322-01 and 90-7308-02 MAUs are not shipped with the E3-2 card and each must be ordered separately. The E3-2 card can be used in a R2.0 7670 ESE node. This card ships with R5.0 S/W. This card is also supported on R2.0 7670 ESE. On the ESE shelf only the eTM is supported for traffic shaping.

The E3-2 ATM Card w/CPU-2 is a triple port card. Each port is both a UNI or NNI E3 ATM interface operating at 45Mbps. Each interface has dual coax BNC connectors with a range of 450 feet. The E3-2 card is fully compliant to the mandatory requirements of the ATM Forum UNI specification(version 3.1). This E3 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 enhaned traffic management features. The Multi-Service Traffic Shaping Module(MTSM) can be ordered as 90-4724-01. The enhanced Traffic Management (eTM) module can be ordered as 90-7695-01. This card requires MAU 90-2322-02 for deployment in 7470 PS-2 shelf or MAU 90-7308-02 for deployment in 7670 ESE shelf. The 90-2322-01 and 90-7308-02 MAUs are not shipped with the E3-2 card and each must be ordered separately. The E3-2 card can be used in a R2.0 7670 ESE node.

The Extended ISL (X-ISL) 800M Hub card provides one bi-directional 800M ISL link supporting all 12 UCS slots in a peripheral shelf. Two 800M Hub Cards are required per peripheral shelf for fabric redundancy in multi-shelf systems. This card is delivered with R4.2 application software. X-ISL reach is 15km over customer supplied Single Mode Fiber. SMF cable requirements are: 9/125 micron core/cladding, 0.35 dB/Km attenuation at 1310nm, flat polish SC/SC connector.

The Extended ISL (X-ISL) Dual Hub card provides two bi-directional 800M ISL links supporting 12 UCS slots in a peripheral shelf. ISL Port#1 supports UCS slots 1-6, and ISL Port#2 supports UCS slots 7-12. Two X-ISL Dual Hub Cards are required per peripheral shelf for fabric redundancy in multi-shelf systems. This card is delivered with R4.2 application software. X-ISL reach is 15km over computer supplied Single Mode Fiber. SMF cable requirements are: 9/125 micron core/cladding, 0.35 dB/Km attenuation at 1310nm, flat polish SC/SC connectors.

The Extended ISL (X-ISL) Dual Receiver Card can terminate the receive interface of two 800 Mbps X-ISL links. One to eight Dual Reciever Cards can be installed in the switching shelf for a total throughput of 12.8 Gps. X-ISL reach is 15km over customer supplied Single Mode Fiber. SMF cable requirements are 9/125 micron core/cladding, 0.35 dB/Km attenuation at 1310nm, flat polish SC/SC connector.

The Extended ISL (X-ISL) Dual Switching Card is a scalable cell switching fabric card which provides the transmit interface for two 800 Mbps X-ISL links. The X-ISL Dual Receiver Card terminates the two corresponding X-ISL link receive interfaces. One to eight Dual Switching shelf to support from 1.6 Gbps to 12.8 Gbps fabric capacity. This card is delivered with R4.2 application software. X-ISL reach is 15km over customer supplied Single Mode Fiber. SMF cable requirements are: 9/125 micron core/claddind, 0.35 dB/Km attenunation at 1310nm, flat polish SC/SC connector.

The OC3-2 XLR UNI/NNI Card with CPU-2 is an ATM interface card operating at the SONET OC3 rate of 155 Mbps, with 32k cell buffering per card. The transmit and receive wavelength of the XLR card is 1550 nm and supports up to 10km of fiber. The OC3-2 XLR is a single port card compliant to the requirements of the ATM Forum UNI Specification (Version 3.1) and the ATM Forum B-ICI Specification (Version 2.0). Requires a minimum of Release 3.1 for operational support. This card is designed to accept the optional Multi-Service Traffic Shaping Module (MTSM, 90-4724-01) which when installed, provides enhanced traffic management features. This card variant is shipped with R4.3 S/W.

The R6.0 Enhanced Traffic Management OC3-2M IR bundle consists of an OC3-2M IR UNI/NNI Card with CPU-2 line card (90-4905-3A) and an Enhanced Traffic Management (ETM) module (90-7695-01). This bundle can also be used with ESE Release 2.2.

The R6.0 Enhanced Traffic Management OC3-2M LR bundle consists of an OC3-2M LR UNI/NNI Card with CPU-2 line card (90-4905-3B) and an Enhanced Traffic Management (ETM) module (90-7695-01). This bundle can also be used with ESE Release 2.2.

The R6.0 Enhanced Traffic Management OC3-2M MMF bundle consists of an OC3-2M MMF UNI/NNI Card with CPU-2 line card (90-4905-3C) and an Enhanced Traffic Management (ETM) module (90-7695-01). This bundle can also be used with ESE Release 2.2.

The unit is a replacement fan for both AC and DC power supply u nit.