Specifications
Table Of Contents
- Introduction
- Installation Procedures
- Commissioning Procedures
- Troubleshooting Procedures
- Overview
- Checking for Good Wire Runs
- Checking for Proper Termination
- Checking the End-of-Line Device Settings
- Checking for Proper Channel Selection
- Checking the N2 Device
- Checking the Number of Defined N2€Devices
- Checking the Length of N2€Bus
- Checking for “T” or “Y” Connections
- Checking for a Ground Loop
- Checking the Repeater
- Checking the Surge Protector
- Checking the Communication Terminal Board
- Checking Communication Faults
- Ordering Instructions
32
Network Communications—N2 Communications Bus
If you need to place the 2110 modem between two segments of N2 Bus,
wire a stub length of six inches or less as shown in Figure 17 and
terminate the two pairs of N2 Bus cable at the end of the stub length.
To N CM
To N 2
Devices
N2 Bus
Fiber
Cable
STUBCONN
To N2 Devices
Use wire nuts to
join N2 cable to
stub length.
N2 +
N2 -
REF
Maximum stub
length is six inches.
S.I.Tech
2110
RT
S.I.Tech
2110
RT
S.I.Tech
2110
RT
Figure 17: Connecting 2110 Modem in Between
Two N2 Bus Segments
Fiber Modem
Between
Two Segments