Cross Connect > 66 Block System

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66 BLOCK SYSTEM

Click the links below for quick access to any of the three 66 block system subcategories:
	Field Terminated 66M Blocks
	Field Terminated 66B Blocks
	Pre-Wired Connecting Blocks
	Network Interface Blocks

66 Block System Overview

Suttle's 66 Block system is used in equipment rooms or in remote and intermediate wiring closets to connect voice or data wiring to customer premise equipment.

•	Blocks are molded of flame retardant thermoplastic with quick-connect 66 clips for ease of installation and proven termination reliability

Field Terminated 66M Blocks

Designed to fill the need for Cat 5 distribution using familiar quick-clips for termination

•	Ability to transmit data rates up to 100 MHz
•	Exceeds TIA/EIA 568-B specifications for Cat 5 performance
•	Includes cover labeled Cat 5

66M1-50-C5

Category 5 Connecting Blocks

66M1-50-C5-85	4 x 50, Category 5, 66M connecting block, 50-pair, 2-clip
Dimensions:	10"H x 3.4"W x 1.25"D
Color:	White = (85)

66M1-50-C5-62	4 x 50, Category 5, 66M connecting block, 50-pair, 2-clip
Dimensions:	10"H x 3.4"W x 1.25"D
Color:	Blue = (62)

A66M1-25

4 x 50 Blocks

A66M1-25	4 x 50, 66M connecting block, includes 1 designation strip, 25-pair, 4-clip
Dimensions:	10"H x 2.56 "W x 1.2"D

A66M1-50	4 x 50, 66M connecting block, includes 2 designation strips, 50-pair, 2-clip
Dimensions:	10"H x 2.56 "W x 1.2"D

A66B4-25

6 x 50 Blocks

A66B4-25	6 x 50, 66B connecting block, 25-pair, 6-clip
Dimensions:	13.44"H x 2.8"W x 1.25"D

A66B3-50	6 x 50, 66B connecting block, 50-pair, 3-clip
Dimensions:	13.44"H x 2.8"W x 1.25"D

66CB1-6

4 x 12 Blocks

66CB1-6	4 x 12, 66CB connecting block, 6-pair, 4-clip
Dimensions:	2"H x 4.25"W x 1.4"D

A66B4-3

6 x 6 Blocks

A66B4-3	6 x 6, 66B connecting block, 3-pair, 6-clip
Dimensions:	2.8"H x 2.8"W x 1.2"D

A66B6-3	6 x 6, 66B connecting block, includes a snap-on cover, 3-pair, 6-clip
Dimensions:	3.25"H x 3.5"W x 1.25"D w/cover

A66B3-6	6 x 6, 66B connecting block, includes a snap-on cover, 6-pair, 3-clip
Dimensions:	3.5"H x 3.5"W x 1.25"D w/cover

66B1-6

6 x 12 Blocks

66B1-6	6 x 12, 66B connecting block, 6-pair, 6-clip
Dimensions:	2.8"H x 3.9"W x 1.2"D

66B1-12	6 x 12, 66B connecting block, 12-pair, 3-clip
Dimensions:	2.8"H x 3.9"W x 1.2"D

Pre-Wired Connecting Blocks

These are connectorized quick connect blocks designed for rapid installation of key telephone systems, PBX systems, cables and other low voltage terminal equipment.

•	Available with female connectors, designed for top cable entry
•	Pre-wired to the 25-pair connectors on the side

66M2-3W

Pre-Wired 66M2 Connecting Blocks

66M2-3W	One female 25-pair connector, 2-clip

66M2-5W	Two female 25-pair connectors, 2-clip

Used for termination and fan-out of 25-pair cables in horizontal distribution applications such as key telephone systems.

•	Designed for wall mounting
•	Equipped with a snap-on cover
•	Equipped with distribution ring for cable dressing

A66E3-25

Pre-Wired 66M2 Connecting Blocks

A66E3-25	66E block wired to a female 25-pair connector, 2-clip

A66E8-25	66E block wired to a male and female 25-pair connector on stub cables (also has two double-screw terminals for use as tie points for spade-ended leads from adjuncts), 2-clip

Network Interface Blocks

Provides clear demarcation between the telephone company and the customer-owned equipment

•	Furnished with a hinged cover
•	Fulfills FCC requirement for a registered interface for connection of customer terminal equipment to the network

AJK-700B-66-B1-12

Connectorized Network Interface Jacks

AJK-700A-66-B1-25	Ideal for most installations, this 66 terminal block consists of a RJ21X connector pre-wired to the right side, 25-pair

AJK-700B-66-B1-12	Primarily used where special equipment such as toll restrictors, call accounting, WATTS systems, etc. are connected in series with the telephone network and PBX and KTS equipment. Includes a self-shortening plug that provides automatic circuit continuation between the network and equipment when disconnecting ancillary equipment, 12-pair