Power Requirements; Functional Description - Meridian Nortel 1 Option 11C Technical Reference Manual

Table 162
NT5D14AA Line Side T-1 Faceplate LEDs (Part 2 of 2)
LED
MAINT

Power requirements

Functional description

State
On (Red)
Off
The line side T-1 card obtains its power from the Option 11C's backplane.
Line side T-1 card: power required
Table 163
Power requirements
Voltage
5.0 V dc
+15.0 V dc
-15.0 V dc
The NT5D14AA provides the following features and functions:
• Card interfaces
• T-1 interface circuit
• Signaling and control
• Card control functions
• Microcontroller
• Card LAN interface
• Sanity Timer
• Man-Machine Interface (MMI)
NT5D14 Line Side T-1 card
The card detects whether tests are being run or that
alarms have been disabled through the Man-
Machine Interface. The LED will remain lit until these
conditions are no longer detected.
The line side T-1 card is fully operational
Option 11C and 11C Mini
Page 527 of 544
Definition
Current (max.)
150 mA.
1.6 Amp
1.3 Amp
Technical Reference Guide