Harris Intraplex STL-160 Series Installation & Operation Manual page 168

ACS-160 Series & STL-160 Series T1 Multiplexer Installation & Operation
Version 2.11, August 2011
Primary Timing
Internal
Loop
External
Through
Fallback Timing
Timing Output
Connector
Alphanumeric
Display
Indicator Lights
Switches
Functionality
Protocol
Interface
Connector
Status
Monitoring
Test Jacks
Loopbacks
7-2
1.544 MHz, ± 30 ppm
1.544 MHz ± 50 ppm
1.544 MHz ± 50 ppm from T1 station clock, or optional 8 kHz x N clock (N
= 1 to 192) with RS-422 input
1.544 MHz ± 50 ppm, for drop/insert operation
Automatically enabled in case of primary timing failure. Smooth phase
transition to fallback timing minimizes down line perturbations
1.544 Mbps RS-422 timing output to synchronize other equipment
RJ-11s on the MA-215, MA-217B, MA-235-1, MA-235-2, MA-216 module
adapters
Four-character alphanumeric display of T1 setup, timing, and link status,
with a bi-level indicator light signifying on/off status of displayed function
Power on
Normal
Alert
Alarm
Transmit output
Receive input
Errors
Bipolar variations
Out-of-frame
Timing mode
Loopback on
CPU failure
Group select
Function select and set
Alarm cut-off
Permits status inquiries at system and channel level, and configuration of
T1 and channel module parameters
Intraplex simple command language (ISiCL)
RS-232C asynchronous
RJ-11s on the MA-215 and MA-217B module adapters
Constant monitoring of transmission, equipment, and timing, with alert
and alarm reporting
Bantam jacks for T1 input/output signal, T1 input/output monitoring`
T1 line loopback, T1 equipment loopback, payload loopback
7 – Specifications
Harris Corporation
Intraplex Products