Nortel Networks 553-3001-211 manual Backplane interfaces, NWK Status LED, PC card slots

Page 836 of 894 NTVQ55AA ITG Pentium card

NWK Status LED

NWK Status LEDs display the TLAN interface card Ethernet activity:

•Green – on if the carrier (link pulse) is received from the TLAN interface card Ethernet hub.

•Yellow – flashes when there is TLAN interface card data activity. During heavy traffic, yellow can stay continuously lit.

Note: There are no Ethernet status LEDs for the ELAN management interface.

PC card slots

The ITG-P card has one faceplate PC card slot, designated drive A. The PC card slot is used for optional maintenance (backup and restore). The ITG-P card also has one unused inboard slot, designated drive B. The PC card slots support PC-based hard disks (ATA interface) or high-capacity PC flash memory cards.

Maintenance Display

Afour character, LED-based, dot matrix display shows the maintenance status fault codes and other card state information.

RS-232 Maintenance Port

The ITG-P card faceplate provides a female DIN-8 serial maintenance port connection (labeled Maint Port). An alternative connection to the faceplate serial maintenance port exists on the NTMF94EA I/O panel breakout cable.

Do not connect maintenance terminals or modems to the faceplate and I/O panel DB-9 male serial maintenance port at the same time.

Backplane interfaces

The backplane connector provides connection to the following:

•ELAN interface card

•TLAN interface card

553-3001-211 Standard 2.00 September 2004