Telephony Interface Module

Assembly

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PSTN-side interfaces: FXS subscriber ports, FXO trunk ports, and an E1 span with line transformers.

Direct parts	7
Total parts	24
Used in	1 assembly
Class	Assembly

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PSTN-side interfaces: FXS subscriber ports, FXO trunk ports, and an E1 span with line transformers. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Telephony Interface Module parts and their functions

7 top-level parts · 24 parts in total · full bill of materials below

Telephony Interface Module parts diagram: 1 FXS port, 2 FXO port, 3 SLIC, 4 line transformer, 5 E1 port, 6 E1/T1 framer, 7 connector. 24 parts in 7 top-level items. — Telephony Interface Module parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	FXS Port	4×	FXS subscriber ports
2	FXO Port	4×	FXO trunk ports
3	SLIC	4×	Subscriber line interface circuits
4	Line Transformer	8×	Telephony line transformers
5	E1 Port	1×	E1/T1 framer port
6	E1/T1 Framer	1×	E1/T1 framer IC
7	Connector	2×	RJ-style telephony connectors

3D model

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Build & assembly graph

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Bill of materials for Telephony Interface Module

7 top-level lines · 7 rows shown · 24 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	FXS Port	vg-fxs-port	4×	4	·	part
2	FXO Port	vg-fxo-port	4×	4	·	part
3	SLIC	vg-slic	4×	4	·	part
4	Line Transformer	vg-line-transformer	8×	8	·	part
5	E1 Port	vg-e1-port	1×	1	·	part
6	E1/T1 Framer	vg-e1-framer	1×	1	·	part
7	Connector	connector	2×	2	·	part

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Where the telephony interface module is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Networking & Telecom 1 VoIP Gateway

Used in 1 assembly

VoIP Gateway

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Foxconn foxconn.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Flex (Singapore) flex.com ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks
🇮🇳Dixon Technologies dixoninfo.com ↗	Noida, IN	Electronics contract mfg	1,000 pcs	6–10 wks
🇨🇳BYD Electronics bydelectronic.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks