Name: AudioCodes Mediant 800 Series
Brand: AudioCodes
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CHAPTER5 Cabling the Device

Mediant 800 Gateway & E-SBC | Hardware Installation Manual

Figure 5-12: Cabling (Ports 1 and 2) PSTN Fallback

● PSTN Fallback is supported only on BRI interfaces.

● PSTN Fallback is supported only between ports on the same BRI module.

● This PSTN Fallback feature has no relation to the PSTN Fallback Software

Upgrade Key.

Connecting ISDN E1/T1 Interfaces

This section describes how to cable the PRI interfaces.

Connecting to ISDN PRI (E1/T1) Trunks

The procedure below describes the cabling of the device's E1/T1 (PRI) trunk interfaces.

● PRI port cabling must be routed only indoors and must not exit the building.

● To protect against electrical shock and fire, use a 26 AWG min wire to connect T1

or E1 ports to the PSTN.

● To comply with EMC rules and regulations, use shielded twisted pair (STP) cables

for E1 interfaces.

PRI interfaces are a separate orderable item.

Cable specifications:

■ Cable: STP cable of 26 AWG min.

■ Connector Type: RJ-48c

■ Connector Pinouts:

Figure 5-13: RJ-48c Connector Pinouts for E1/T1

➢ To connect the E1/T1 trunk interface:

1. Connect the E1/T1 trunk cable to the device’s E1/T1 port.

2. Connect the other end of the trunk cable to your PBX/PSTN switch.

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AudioCodes Mediant 800 Series Specifications

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