61202800L1-1B
IQ 710
Section 2, Engineering Guidelines
Page 23
© 2002 ADTRAN, Inc.
IQ 710 System Manual
4.
REVIEWING THE REAR PANEL DESIGN
The IQ 710 rear panel contains two expansion slots (one for Dial Backup and one for a Network Interface
Module), a DTE connector which provides primary channel V.35, and an Ethernet 10BaseT port for man-
agement applications (see Figure 2).
Figure 2. IQ 710 Rear Panel
V.35 Nx56/64 Connector
The DTE should be connected to the V.35 connector (labeled
V.35
). The maximum cable length is 100 feet. Table 2
on page 24 shows the pinout for the V.35 Winchester-style connector.
ALM (Alarm)
Red
Active when one of the following alarm conditions exists:
•
Loss of signal
•
Loss of T1 frame sync (red alarm)
•
Receiving AIS (alarm indication signal) from the ser-
vice provider
•
Frame Relay signaling is down
TST (Test)
Amber
Active when the network interface is in a loopback
condition triggered locally or from the service provider
DBU (Dial Backup)
Red
Active when the unit is in dial backup.
Table 1. IQ 710 LEDs (Continued)
For these LEDs...
This color light...
Indicates that...