HUAWEI EOW SSR1EOW 03021SHX Huawei OSN1500B System Auxiliary Interface Board

Provides the serial interfaces Serial 1–Serial 4.

Provides one orderwire interface.

Processes the E1, E2, and Serial 1–Serial 4 bytes.

Supports the clock synchronization feature, and complies with the IEEE 1588v2 protocol.

Supports two channels of time input and output, with the external time operating in 1pps+TOD mode.

SSR1EOW is an orderwire processing board for Huawei OSN1500B, provides orderwire phone interface to extracts, inserts, and processes the overhead bytes E1 and E2. SSR1EOW part number is 03021SHX, it is not a necessary board of OSN1500B.