--- type: product schema_version: 1 stock_number: "60263-1" canonical_url: "https://www.artisantg.com/60263-1/Excalibur-Systems-ESI-111" json_url: "https://www.artisantg.com/60263-1/Excalibur-Systems-ESI-111.json" generated_at: "2026-11-07T04:49:56.985Z" last_updated: "2026-11-02T19:05:40.413-06:00" --- # Excalibur Systems ESI-111 Single-Stub MIL-STD-1553 Bus Coupler _Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._ ## Summary - Manufacturer: Excalibur Systems - Model: ESI-111 - Condition: Used and in Excellent Condition - Price: Quote only - Availability: In stock - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 1.5 lb, estimated - Shipping dimensions: 12X9X6 in, estimated ## Categories - Test Equipment > Electrical Test > Couplers (primary) - Military and Embedded Equipment > ARINC & 1553 ## Details ### Configuration - Connector Type: BJ770 Miniature - Mating Connector: PL75 - Frequency Range: 75 kHz to 1.0 MHz - Common Mode Rejection: 45 dB Minimum - Isolation Resistors: 2 W Minimum - Operating Temperature: -55° to +125° C ## Function Passive single-stub MIL-STD-1553 bus coupler providing impedance-matched interface between a main data bus and a single stub, with isolation resistors rated at least 2 W and common-mode rejection of 45 dB minimum to suppress noise. Operates from 75 kHz to 1.0 MHz and supports rugged aerospace environments from -55 to +125 C. Connects via BJ770 miniature connector and PL75 mating interface for MIL-STD-1553 topology. ## Images - - - -