Dual CT1/E1 GPIM Components

The Dual CT1/E1 Gigabit-Backplane Physical Interface Module (GPIM) contains the components listed in Table 71.

Table 71: Dual CT1/E1 GPIM Components





Both the SRX550 and the SRX650 Services Gateways support hot-swappable functionality for GPIMs.

Right side of the GPIM

Use the GPIM ONLINE/OFFLINE button to gracefully shut down the GPIM.

Two fixed T1/E1 ports labeled 0 and 1

Each port can be configured using the CLI in T1 or E1 mode.

Middle of the GPIM

T1 Mode:

  • Transmit bit rate: 1.544 Mbps
  • Receive bit rate: 1.544 Mbps

E1 Mode:

  • Transmit bit rate: 2.048 Mbps
  • Receive bit rate: 2.048 Mbps

Captive screws

One on each side of the GPIM

Use the captive screws to hold the GPIM in place in the services gateway.

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