Table 3-3. Back Panel Feature Description
Feature Number
Feature
Description
1
T1/E1/J1 Ports
• RJ-48C receptacle
• Can be configured as a T1/J1
output interface at 1.544 kbits/s
- G.703 section 7
• Can be configured as an E1
output interface at 2.048 kbits/s
- G.703 section 11
2
Fixed frequency/TTL ports
• Female BNC Connector
• Can output 2.048 MHz fixed
frequency sine or square waves
- G.703 section 15
• Can output 1.544 MHz fixed
frequency sine or square waves
- follows G.703 section 15
• Can output 10 MHz fixed
frequency sine or square waves
- G.703 section 20
• Can output standard GridTime
3000 Pulse output signals
1
over
copper
3
AM IRIG/TTL ports
• Female BNC Connector
• Can output 1kHz amplitude
modulated IRIG-B, with a 3:1
ratio.
• Can output standard GridTime
Pulse output signals
1
over
copper
4
IRIG in/TTL out ports
• Female BNC Connector
• Can receive a 0-5V TTL DCLS
IRIG-B signal with C37.118
extensions as a synchronization
source
• Can output standard GridTime
Pulse output signals
1
over
copper
5.1
RS232 Serial String port
• RJ-12 receptacle
• Can output serial time strings at
RS232 levels
5.2
RS422 Serial String port
• RJ-12 receptacle
• Can output serial time strings at
RS422 levels
6
ST optical fiber ports
• Female ST optical connector
• Can transmit all standard
GridTime pulse output signals
1
over fiber
Physical Overview
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2022 Microchip Technology Inc.
and its subsidiaries
Manual
DS00004572A-page 20