Juniper Networks SRX 210 manual Related Topics SRX210 Services Gateway Specifications on page

Chapter 2: SRX210 Services Gateway Hardware Components and Specifications

Table 10: SRX210 Services Gateway Built-In Hardware Interfaces (continued)

Interface Type	Specifications
Foreign Exchange Subscriber	■	Consist of two ports
(FXS) interface	■	Use an RJ-11 connector

Foreign Exchange Office (FXO) ■		Consist of two ports
interface	■	Use an RJ-11 connector

Description

The FXS port can be used as follows:

■To provide an interface to connect analog phones, fax machines, or similar devices

■To supply battery power, ringing voltage, dial tone, and so on to the station

NOTE: There is a hardware relay between the built-in FXO1 interface and the FXS2 interface. The relay automatically connects the FXS2 port and the FXO1 port in the event of a power failure.

The FXO port can be used to provide direct connection to the telephone exchange or Public Switched Telephone Networks (PSTN) central office

Mini-Physical Interface Module	Consists of one slot for a
(Mini-PIM)	Mini-PIM

The Mini-PIM slot can be used to provide LAN and WAN functionality along with connectivity to various media types.

For more information about the supported Mini-PIMs, see the SRX Series Services Gateways for the Branch Physical Interface Modules Hardware Guide.

NOTE: We strongly recommend that only transceivers provided by Juniper Networks be used on an SRX210 Services Gateway. We cannot guarantee that the interface module will operate correctly if third-party transceivers are used. Contact Juniper Networks for the correct transceiver part number for your device.

Related Topics ■ SRX210 Services Gateway Specifications on page 7

■SRX210 Services Gateway Front Panel and Back Panel Views (Low Memory, High Memory and PoE Version) on page 10

■SRX210 Services Gateway with Integrated Convergence Services Front Panel and Back Panel Views on page 12

SRX210 Services Gateway Built-In Interfaces ■ 17