NTHW15AA16 4P0C3CSMIR - Optical Transmission Interface Module

(Suitable for Nortel/Ciena optical network devices)

1. Model analysis and key identification

NTHW15AA16：

NT: Nortel standard prefix.

HW: stands for Hardware module.

15AA16: It may be a version code or hardware revision number.

4P0C3CSMIR：

4P: 4 physical ports.

0C: may refer to "0 Channel" or reserved configuration (to be verified).

3CSMIR: It is speculated to be 3x Conventional Single Mode Intermediate Reach (3 conventional single-mode mid-range optical interfaces with a transmission distance of about 40-80km).

2. Speculation on functional characteristics

Interface type:

Supports single-mode optical fiber (SMIR), with wavelengths of 1310nm or 1550nm (typical mid-range transmission).

The remaining one port may be a management/control interface (such as RS-232 or Gigabit Ethernet).

Transmission Protocol:

May be compatible with SDH/SONET (such as STM-1/4/16) or OTN standards (depending on the platform).

Some models support transparent transmission of Ethernet services (such as GbE or 10GbE).

Performance parameters:

Support carrier level protection mechanisms (such as 1+1 protection, APS automatic switching).

Low power design, suitable for high-density shelf deployment.

3. Compatible devices and typical applications

Applicable platforms:

Possible use for optical transmission devices such as Nortel OME6500 and OPTera 5000 (slot compatibility needs to be confirmed).

Application scenarios:

Metropolitan Area Network (MAN) edge service aggregation.

Enterprise dedicated line access or Data Center Interconnection (DCI).

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