Specification sheets are available in PDF format for our products.
Click on the product categories below.


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Click For 5-Pin ModulesDSL, VOIP, and other new services are moving your client base to surge-sensitive, digital equipment. Circa Telecom recommends you review your clients’ needs and upgrade to quicker responding digital surge protection modules. Circa offers a self-resetting PTC (positive temperature coefficient) device for sneak current protection on the 4-series modules. Go To Modules Spec Sheets
Click For 66 Block ProductsThese 16 AWG steel building entrance terminals feature reliable 66 block style Quick Clip connectors for both the input and output terminals. Connectors can accept up to an 18 AWG line termination. Also included are multiple external and internal ground lugs, as well as splice chambers and various types of security covers. UL approval standard on all terminals. Standard 5-pin protector modules, available in Analog and Digital versions, can be purchased separately or loaded. Go To 66 Block Spec Sheets
Click For 110 Connector ProductsThese 16 AWG steel building entrance terminals feature an industry standard 110-style connector for both the input and output terminals. Also included are multiple external and internal ground lugs, as well as splice chambers and various types of security covers. UL approval standard on all terminals. Standard 5-pin protector modules, available in Analog and Digital versions, can be purchased separately or loaded.
Go To 110 Connector Spec Sheets
Click For 710 Connector ProductsThese 16 AWG steel building entrance terminals feature a 710 style connector for use in specialized OSP installations including military, health care, and education applications. Also included are multiple external and internal ground lugs, as well as a splice chamber. UL approval standard on all terminals. Standard 5-pin protector modules, available in Analog and Digital versions, are sold separately. Go To 710 Connector Spec Sheets
Click For BIX Connector ProductsThese heavy gauge steel BIX block building entrance terminals feature the BIX (MOX) brand connector and external ground connectors that accept 6 to 14 gauge ground wire. The BIX connector can terminate 22-26 gauge wire and accepts the QTBIX22A test shoe. This line is designed to exceed the requirements set forth in Underwriters Laboratories’ UL497 (UL, cUL) and the Canadian Standards Association (CSA). The units have an internal fuse link and use industry standard 5-pin protection modules which are sold separately. Models 2100B-100, 2100SB-100 and 2100BN-100 can be wall or rack-mounted.
Go To Bix Connector Spec Sheets
Click For MS2 Connector ProductsThese 16 AWG steel building entrance terminals feature an easy-to-install MS2 style connector for use in specialized OSP installations, including ONU and FTTx cabinets and military command and control centers. Also included are multiple external and internal ground lugs, as well as a splice chamber. UL approval standard on all terminals. Standard 5-pin protector modules, available in Analog and Digital versions, are sold separately.
Go To MS2 Spec Sheets
Click For Nema 4X Rated ProductsCirca’s new line of outdoor Nema 4X protection meets the NEC requirement for outdoor applications, such as construction sites, portable trailers, multi-dwelling units, schools and industrial environments. These units contain Circa’s RDUP/RUS accepted 66 block-style and 110 connectors. They use industry-standard 5-pin modules which are sold separately. Termination options also available for BIX. Empty boxes available in both fiberglass and metal. Go To Nema 4X Spec Sheets
Click For Stub Termination ProductsCirca’s cable stub units offer the user a variety of installation and splicing options depending on application-specific requirements. Custom cable stub lengths are available upon request. The 1900A1-100 model can also be ordered with both stubs coming from either the top or the bottom. Go To Stub Termination Spec Sheets


View some of the additional product lines we offer...
Station Protectors & ISP's
High Density
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