Physical Description; Standard 1.00 June - Nortel Enterprise 1000 Reference Manual

Page 196 of 236

Physical description

553-3023-211 Standard 1.00 June 2001

NTRB21 DTI/PRI/DCH TMDI card
The NTRB21 card uses a standard 9.5" by 12.5" multi-layer printed circuit
board with buried power and ground layers.The clock controller
daughterboard is fastened by standoffs and connectors.
The NTRB21 card has seven faceplate LEDs. The first five LEDs are
associated with the NTRB21 card. The remaining two LEDs are associated
with the clock controller and DCHI daughterboards. See Figure 50 on
page 197.