Nortel Networks Option 11C User Manual

NT5K21 XMFC/MFE card

The following Table 129 outlines the physical specifications of the NT5K21 
XMFC/MFE circuit card.

Longest Input tone ignored:

< 8 msec. 

Combination of valid frequencies

Longest control tone ignored:

< 15 msec.

Control Frequency only

Noise rejection:

S/N > 18 dB

No degradation in-band white noise

Dimensions

Height:12.5 in. (320 mm)
Depth:10.0 in. (255 mm)
Thickness:7/8 in. (22.25 mm)

Faceplate LED

Lit when the circuit card is disabled

Cabinet Location

Must be placed in the main cabinet 
(Slots 1-10)

Power requirements

1.1 Amps typical 

Environmental considerations

Meets the environment of Meridian 1 systems