PO BOX 1654  97075-1654     8687 SW HALL BLVD     BEAVERTON, OREGON     FAX 503.646.3903
ATTENUATOR PRODUCTS

Model 101212 Attenuator Block

CONTENTS:

ATTENAUTOR MODULES

LIT AEI MODEL PRODUCT DESCRIPTION MOUNTING CIRCUITS
CALL 1307 SWITCHABLE ATTENUATOR MODULE The attenuator module provides fast, flexible, highly concentrated level setting for voice and data circuit applications. Provides transmission path design loss adjectives for toll trunks, inter-office trunks, PBX trunks, and local loops. Used when interfacing carrier systems, interfacing carrier with cable, and when attenuation is needed in CCIS conversions. Switchable from 0.0dB to 45.75dB in 0.25dB increments. Each attenuator is a switch selectable 600 ohm balanced square pad. MODULE 1 pos.
CALL 1309 SIGNAL PASS ATTENUATOR MODULE The attenuator module allows the signal to continue thru attenuator panels without internal interference between the receive side and the transmit side. (The units are transparent to the signal.) Used when adjustable switchable attenuation is unnecessary and bypass signals must occur. MODULE 1 pos.
CALL 1311 ATTENUATOR BYPASS CARD The attenuator bypass card is used with one attenuator module (1307, 1309 1317xx, or 1327). Once a module is plugged into the bypass card and then installed into a panel, a switch mounted on the card allows for switching the attenuator module IN or OUT. Panels which accept the card are the 2300x Amplifier Panels and the 1351 and 1352 Channel Interface Panels. PLUG-IN CARD 1 pos.
CALL 131703 3.0dB FIXED ATTENUATOR MODULE The attenuator module provides fast, flexible, highly concentrated level setting for voice and data circuit applications. Provides transmission path design loss adjectives for toll trunks, inter-office trunks, PBX trunks, and local loops. Used when interfacing carrier systems, interfacing carrier with cable, and when attenuation is needed in CCIS conversions. Each attenuator is a switch selectable 600 ohm balanced square pad. MODULE 1 pos.
CALL 131715 15.0dB FIXED ATTENUATOR MODULE The attenuator module provides fast, flexible, highly concentrated level setting for voice and data circuit applications. Provides transmission path design loss adjectives for toll trunks, inter-office trunks, PBX trunks, and local loops. Used when interfacing carrier systems, interfacing carrier with cable, and when attenuation is needed in CCIS conversions. Each attenuator is a switch selectable 600 ohm balanced square pad. MODULE 1 pos.
CALL 1327 SWITCHABLE ATTENUATOR MODULE (JUMPERED) The attenuator module provides fast, flexible, highly concentrated level setting for voice and data circuit applications. Provides transmission path design loss adjectives for toll trunks, inter-office trunks, PBX trunks, and local loops. Used when interfacing carrier systems, interfacing carrier with cable, and when attenuation is needed in CCIS conversions. Switchable from 0.0dB to 45.75dB in 0.25dB increments by moving the jumpers to the desired setting. (Requires no special tools) Each attenuator is a switch selectable 600 ohm balanced square pad. MODULE 1 pos.

ATTENUATOR BLOCKS

LIT AEI MODEL PRODUCT DESCRIPTION MOUNTING CIRCUITS
CALL 300004801 (1212) ATTENUATOR MOUNTING The Attenuator Mounting provides attenuation (pads) for interchangeable voice and data circuit level setting. Utilizing 211AL-8" terminal blocks, the mountings accept horizontally forty-eight (48) miniature attenuator K-Pads (model 4xxx0002). The mountings offer easy access to wire-wrap terminal pins. 211AL-8" BLOCK 48 pos.
CALL 30004013 (1213) ATTENUATOR MOUNTING The Attenuator Mounting provides attenuation (pads) for interchangeable voice and data circuit level setting. Utilizing NE66QK100 terminal blocks, the mountings accept horizontally forty-eight (48) miniature attenuator K-Pads (model 4xxx0002). The mountings offer easy access to bifurcated terminal pins. NE66QK100 BLOCK 48 pos.
CALL 1215 ATTENUATOR MOUNTING The Attenuator Mounting provides attenuation (pads) for interchangeable voice and data circuit level setting. Utilizing 211AL-8" terminal blocks, the mountings accept horizontally forty-eight (48) miniature attenuator K-Pads (model 4xxx0002). The mountings offer easy access to wire-wrap terminal pins. 25-pair connectors for input / output are also supplied. 211AL-8" BLOCK 48 pos.
CALL 1401 ATTENUATOR MOUNTING (FIXED LOSS SQUARE PADS) Packaged on 211AL-8" wire-wrap terminal blocks, the mounting provides attenuation from 1.0dB to 35.0dB for fifty (50) circuits. Mounts directly onto Intermediate and Main Distribution frames. 211AL-8" BLOCK 50 pos.
CALL 22054 ATTENUATOR BLOCK Utilizing a 211AL-8" terminal block layout, block accepts twenty-four (24) Attenuator Modules (1307, 1309, 1317xx and 1327). The attenuator module provide fast, flexible, highly concentrated level setting for voice and data circuit applications. Provides transmission path design loss adjectives for toll trunks, inter-office trunks, PBX trunks, and local loops. Used when interfacing carrier systems, interfacing carrier with cable, and when attenuation is needed in CCIS conversions. xxx 211AL-8" BLOCK 20 pos.

ATTENUATOR PANELS

LIT AEI MODEL PRODUCT DESCRIPTION MOUNTING CIRCUITS
CALL 13003 ATTENUATOR PANEL (XMT-WW, RCV-WW). The attenuator panel provide a 24 position mounting for switchable attenuator modules (1307, 1309, 1317xx, 1327). Levels are set by plugging in the modules. Used in all voice frequency private line services including PBX tandem networks, off-premise extentions, foreign exchange service, and all two point and multi-point voice and data services. Input/output is through rear panel mounted wire-wrap terminal pin blocks. 19" PNL 24 pos.
CALL 13004,5,6 ATTENUATOR PANEL 13004 - (XMT-male, RCV-female),
13005 - (XMT-female, RCV-female),
13006 - (XMT-male, RCV-male)
The attenuator panels provide a 24 position mounting for switchable attenuator modules (1307, 1309, 1317xx, 1327). Levels are set by plugging in the modules. Used in all voice frequency private line services including PBX tandem networks, off-premise extentions, foreign exchange service, and all two point and multi-point voice and data services. Input/output is through rear panel mounted 25-pair connectors. 		19" PNL 24 pos.
CALL 1351 CHANNEL INTERFACE PANEL The Channel Interface Panel provides ten (10) 4-wire voice frequency circuits. For each circuit the panel includes amplification, attenuation, line protection, patching and mounting jack access, redundant power, and fusing. The panel provides overall fused power, alarm contacts, link and dial-up modem access, wire-wrap and 25-pair connectorized inputs and outputs. 19" PNL 10 pos.
CALL 1352 CHANNEL INTERFACE PANEL The Channel Interface Panel provides twenty (20) 4-wire voice frequency circuits. For each circuit the panel includes amplification, attenuation, patching and mounting jack access, redundant power, and fusing. The panel provides overall fused power, individual fused circuitry, alarm contacts, wire-wrap and 25-pair connectorized inputs and outputs. 19" PNL 20 pos.
CALL 30004819 (22046) ATTENUATOR PANEL The Attenuator Panel accepts forty-eight (48) K-Pad attenuators for interchangeable voice and data circuit level setting. The panel offers easy backplane access to wire-wrap terminals divided for receive (input) and transmit (output) modes. 19" PNL 48 pos.
CALL 30002419 (22046A) ATTENUATOR PANEL The Attenuator Panel accepts twenty-four (24) K-Pad attenuators for interchangeable voice and data circuit level setting. The panel offers easy backplane access to wire-wrap terminals divided for receive (input) and transmit (output) modes. 19" PNL 24 pos.
CALL 22047 (9801001) ATTENUATOR PANEL 22047 (9801001) - (XMT-male, RCV-female)
220472 - (XMT-female, RCV-male)
22048 (98011001) - (XMT-female, RCV-female)
22049 (98012001) - (XMT-male, RCV-male)
The Attenuator Panels accept forty-eight (48) K-Pad attenuators for interchangeable voice and data circuit level setting. The panel offers easy backplane access to 25-pair telco connectors divided for receive (input) and transmit (output) modes. 		19" PNL 48 pos.
CALL 98011003 ATTENUATOR PANEL (XMT-female, RCV-female). The Attenuator Panel accepts twenty-four (24) K-Pad attenuators for interchangeable voice and data circuit level setting. The panel offers easy backplane access to 25-pair telco connectors divided for receive (input) and transmit (output) modes. 19" PNL 24 pos.
CALL 98012003 ATTENUATOR PANEL (XMT-male, RCV-male). The Attenuator Panel accepts twenty-four (24) K-Pad attenuators for interchangeable voice and data circuit level setting. The panel offers easy backplane access to 25-pair telco connectors divided for receive (input) and transmit (output) modes. 19" PNL 24 pos.
CALL 22052 ATTENUATOR PANEL The Attenuator Panel accepts twenty-four (24) K-Pad attenuators for interchangeable voice and data circuit level setting. Twenty-four (24) positions for Bantam break and test jacks are also mounted on the front of the panel. The panel offers easy backplane access to 25-pair connectors divided for receive (input) and transmit (output) modes. 19" PNL 24 pos.
CALL 22053 ATTENUATOR PANEL The Attenuator Panel accepts twelve (12) K-Pad attenuators for interchangeable voice and data circuit level setting. Twelve (12) positions for Bantam break and test jacks are also mounted on the front of the panel. The panel offers easy backplane access to 25-pair connectors divided for receive (input) and transmit (output) modes. 19" PNL 12 pos.

MISC ATTENUATOR PRODUCTS

LIT AEI MODEL PRODUCT DESCRIPTION MOUNTING CIRCUITS
CALL 4xxx0002 K-PAD ATTENUATOR (xxx=dB value, ie 41860002 = 18.6 dB). The K-Pad attenuator provides fast, flexible, highly concentrated level setting for voice and data circuit applications. Typical applications include: interfacing carrier systems, interfacing carrier with cable, interfacing dissimilar equipment or trunk types and use in CCIS installations. K-Pad values range from 0.0dB to 35.0dB in 0.2dB increments. MODULE 1 pos.
CALL 1223 (30000106) SINGLE K-PAD MOUNTING The mounting provides atenuation (pads) for interchangeable voice and data circuit level setting. The mounting accepts horizontally one miniature attenuator K-Pad (model 4xxx0002). Input/output is through 14" leads. There is a 6dB insertion loss with no K-Pad. MODULE 1 pos.
CALL 1227 E-SIGNAL BAY ATTTENUATOR MOUNTING The mounting provides attenuation (pads) for interchangeable voice and data circuit level setting. The mounting accepts horizontally twenty (20) miniature attenuator K-Pads (model 4xxx0002). Ten (10) circuits, available in 600 or 900 ohm configuration, and the unit adds 20% to signal unit capacity with no increase in bay space. X 20 pos.
CALL 1228 (30000206) DOUBLE K-PAD MOUNTING The mounting provides atenuation (pads) for interchangeable voice and data circuit level setting. The mounting accepts horizontally two miniature attenuator K-Pads (model 4xxx0002). Input/output is through 14" leads. There is a 6dB insertion loss with no K-Pad. MODULE 2 pos.
CALL 1250 ATTENUATOR PAD ADJUST MODULE Utilizing a type 400 card with 56-pin gold contacts which insert into shelves with rear female edge connectors. Accessible from the front is a ten (10) position edge connector which accepts K-Pads ( model 4xxx0002). The unit is passive TYPE-10 CARD 10 pos.
CALL 15000 RECEPTACLE PAD The Receptacle Pad attenuator provides fast, flexible, highly concentrated level setting for voice and data circuit transmission applications. The miniature attenuator is a balanced suqare pad, which mounts directly onto the insulation displacement pins of a 66-type connecting block. MODULE 1 pos.

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