Connecting to ISDN PRI (E1/T1) Trunks
The procedure below describes the cabling of the device's E1/T1 (PRI) trunk interfaces.
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PRI port cabling must be routed only indoors and must not exit the building. |
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To protect against electrical shock and fire, use a 26 AWG min wire to connect T1 or E1 ports to the PSTN. |
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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:
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Cable: STP cable of 26 AWG min. |
RJ-48c Connector Pinouts for E1/T1
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To connect the E1/T1 trunk interface: |
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Connect the E1/T1 trunk cable to the device’s E1/T1 port. |
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Connect the other end of the trunk cable to your PBX/PSTN switch. |
Cabling E1/T1 Ports