PairGain PG-Flex, Manual

Page: 42 / 168

Installing PG-Flex System Hardware
34
Install the Line Unit
Install the RT line unit and verify operation as follows (see Figure 16 “Line Unit and Channel Unit
Installation Locations” on page 36):
1 Insert the RT line unit into the RT enclosure and verify:
• all LEDs turn on for about seven seconds, then scan from top to bottom
• PWR LED remains on
• after about 30 seconds, SYNC LEDs for Line 1 and Line 2 begin to flash
(both COT and RT)
• within 35 seconds, SYNC LEDs for Line 1 and Line 2 turn on
2
Verify the following front panel indications after the system powers up and establishes HDSL
synchronized communications, and when no calls are in progress:
• POWER is on (turns off after about two minutes, but pressing the ACO button will turn it
back on)
• LOOP 1 SYNC is on
• LOOP 1 MARGIN is off
• LOOP 2 SYNC is on
• LOOP 2 MARGIN is off
• TEST is off
• FAULT is off
Do not connect metallic bypass pairs between PG-Flex systems or to other digital loop carrier
(DLC) systems.
Observe normal electrostatic discharge precautions when handling electronic equipment. Do not
hold electronic plugs by their edge. Do not touch components or circuitry.