DPM3 MODULE The DPM3 module is used in the 3600 and 3600+ Mainstreet. The DPM3 is an optional daughter module that resides on the 27LC3(90-6396-01) line card. The DPM3 can be used to add Sub Rate Multiplexing capability to the 27LC3.

DPM2 MODULE clei The Digital Processor Module-2 is a daughter card to the 27LC2 mother card (90-1184-05). Provides DDS or X.50 sub rate multiplexing functinality. One DPM2 module per 27LC2 card. This assembly contains a Telcordia CLEI (Common Language Equipment Identifier) label.

DOUBLE BANDWIDTH MODULE clei This module is required on the Switching Card (PMX) (90-0640-03). It provides additional circuitry for 64MB/s throughput. This assembly contains a Telcordia CLEI (Common Language Equipment Identifier) label.

DMM-3 GEN D119.0 CLEI Downloadable Memory Module daughter card, includes System Software for NA, UK and International 3600 Release 9.0 Multi Shelf System Peripheral Shelf. Requires System Control Card (90-0667-01 or 90-0667-04/05/09 mother card. Supports Software downloading.

DMM-3 GEN D118.0 Downloadable Memory Module daughter card, includes System Software for NA, UK and International 3600 Release 8.0 Multi Shelf System Peripheral Shelf. Requires System Control Card (90-0667-01 or 90-0667-04/05/09 mother card. Supports Software downloading.

DMM-3 GEN C119.0 CLEI Downloadable Memory Module daughter card, includes System Software for NA, UK and International 3600 Release 9.0 Switching Shelf. Requires System Control Card (90-0667-01 or 90- 0667-04/05/09 mother card. Supports Software downloading.

DMM-3 GEN C118.0 Downloadable Memory Module daughter card, includes System Software for NA, UK and International 3600 Release 8.0 Switching Shelf. Requires System Control Card (90-0667-01 or 90-0667-04/05/09 mother card. Supports Software downloading.

DMM-3 GEN 1119.0 CLEI Downloadable Memory Module daughter card, includes System Software for NA, UK and International 3600 Release 9.0 products. Requires System Control Card (90-0667-01 or 90-0667-04/05/09 mother card. Supports Software downloading.

DMM-3 GEN 1118.0 Downloadable Memory Module daughter card, includes System Software for NA, UK and International 3600 Release 8.0 products. Requires System Control Card (90-0667-01 or 90-0667-04/05/09 mother card. Supports Software downloading.

DEFLECTOR TRAY This assembly is used to deflect a hot air source away from an assembled 3600 or 3645 shelf (90-0010-05/10, 90-0662-03). The assembly requires 2 units ( 3 1/2 inches) of vertical space in a 19 inch rack. The 23 Adaptor (90-0571-03) is required for 23 inch rackmounting.

DCP CARD clei The Data Communication Processor card provides for increased CPSS throughput. This card is supported by Generic 1113 or greater. This assembly contains a Telcordia CLEI (Common Language Equipment Identifier) label.

DC POWER UNIT clei For use in 23 inch DC 8UCS (90-0010-15) or 23 inch DC Switching Shelf (90-0662-06). This power supply is also used in the 3600+ 19 shelf (90-2671-02) and 23 shelf (90-2672-02). Two power supplies can be installed in the 90-0010-15 or 90-0662-06 for redundancy or load sharing. In a 3600+ shelf, power supply redundancy is met in a 2+1 configuration. This assembly contains a Telcordia CLEI (Common Language Equipment Identifier) label.

COMMON CARRIER CARD clei The Common Carrier card allows up to four channel units to interface to a 3600. Plugs into any UCS. Provides metallic test access relays for customer loop testing. A front cover (90-3647-01) is required when this card is used in Class B or EU application. This assembly contains a Telcordia CLEI (Common Language Equipment Identifier) label.

CLOCK CARD This card is used in the 3600 Switching Shelf to provide the system clocking (Stratum-3) for the 3600 Multi Shelf System. One Clock Card is required per 3600 Switching Shelf.

CLOCK CARD AM-2 clei Identical to 90-0641-01 but provides enhanced alarm I/O capabilities (AM-2). This assembly contains a Telcordia CLEI (Common Language Equipment Identifier) label.

CHANNEL FILLER PLATES This package includes six channel unit filler plates. These are used to protect unused channel unit positions on a 3600 common carrier card (90-1234-01).

BT-2 CARRIER ASSEMBLY Included in this kit are two BT-2 Carrier cards and two half-height filler plates (one Upper and one Lower). Required for the installation of either one (for non-redundant, dual shelf) or two (for redundant, dual shelf) BT-2 Card/Cable Kit (90-0090-06) in 90-0010-13/14/15 EMC/23 inch Single Shelves.

BT-2 CARD/CABLE KIT Included in this kit are one Upper Balanced Transceiver-2 Card, one Lower Balanced Transceiver-2 Card and one intershelf cable. To be used with the BT-2 Carrier Assy (90-0090-07) and the 90-0010-13/14/15 EMC/23 inch Single Shelves. One kit provides non-redundant dual shelf capability while two kits provide redundant capability.

64 KB CO-DIR DCC AIS This circuit card consists of 4 circuits which comply to the CCITT G.703 standard at a bit rate of 64 kb/s. E1 signalling is also supported by this card as well as the AIS capability by Generic 1115 or greater.

4WTO LINE CARD (12 CCT) This is a 12 port Four wire transmission only (4WTO) line card. It is compatible with the existing 4WTO CU on the network connection side. The 12 circuit 4WTO card is designed for on-premise, 600 Ohm, 4-Wire applications only where there is no requirement for signaling leads.