Specifications

Installation and Operation Manual Chapter 1 Introduction
HS-RN MP-2100/2104 Ver. 12.6, MP-4100 Ver. 2.0 Functional Description 1-7
1.3 Physical Description
The HS-RN is a 4U-high module that occupies one I/O module slot in the
Megaplex chassis. All the functional configuration parameters of the modules are
determined by software. Jumpers are used only to control the connection of
ground reference to each channel connector.
Figure 1-6 shows a typical HS-RN panel.
Test
Indicators
HS-RN
Channels
1-2
Channels
3-4
LOS
Indicators
CH1 & CH2 Connector
CH3 & CH4 Connecto
r
TST LOS
CH.1
CH.2
CH.3
CH.4
CH.
1-2
CH.
3-4
Figure 1-6. Typical HS-RN Module Panel
The HS-RN panel includes two status indicators for each channel:
• TST (yellow): lights up when a test or loopback is activated on the
corresponding channel.
• LOS (red): lights up when the main link loses synchronization or the
corresponding channel loses protocol synchronization to the remote end (not
used for the rates of 64 kbps and 56 kbps)
When a channel is not connected, its LOS indicator is always off.
The HS-RN module panel also includes two 25-pin D-type female connectors,
each serving two channels.