Hardware Installation and Reference Guide
Overview
1. The gap of the SIM card should be aligned with that of the SIM slot. In this manner, the SIM card can be
installed correctly.
2. The SIM slot should be closed when there is no SIM card in it. Otherwise, there are risks of damaging
the SIM slot.
Introduction to NMX Modules
High Speed Synchronous Serial Port Module
This moudle includes one type: 4-port high speed synchronous serial port module (NMX-4HSH)
Appearance and Indicators
Appearance of NMX-4HSH module
The module has one status indicator LINK for each synchronous port and the Ready indicator for sub card.
RDY
indicator: ON means the sub-card is powered on and initialized.
LINK
indicator: ON means the physical link between the synchronous interface and external device is set up and
the upper laye rprotocol is up; OFF means the link is down.