SDM-9XXX Series Hardware Installation Guide
4-28 Memotec Inc.
• “The E&M interface card” on page 4-21.
Channelized Digital Interface Cards
The T1/E1 interface cards have four LEDs per port. The ISDN-BRI S/T interface card has
two LEDs per port. For the LED locations refer to:
• “The Single Port T1/E1 interface card (top)” on page 4-23
• “The Dual Port T1/E1 interface card (bottom)” on page 4-23
• “The ISDN-BRI S/T interface card” on page 4-26.
Intf. Card LED Color Indication
FXS ACT (one
for each
port)
Green Activity (traffic transmitted or received) on
the analog voice port located immediately
above the LED. Blinks when the channel is
ringing a phone
FXO ACT (one
for each
port)
Green Activity (traffic transmitted or received) on
the analog voice port located immediately
above the LED. Blinks when the channel
detects ring voltage
Universal
E&M/PTT
ACT (one
for each
port)
Green Activity (traffic transmitted or received) on
the analog voice port located immediately
above the LED
Table 4-8: Status LED indicators on analog voice interface cards
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