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Chapter 8: Troubleshooting
Testing a TDM link
Page 8-18
Testing a TDM link
This section describes how to check the NIDU LEDs and how to perform a TDM loopback test.
Checking the NIDU LEDs
If a fault is suspected in the NIDU, check the NIDU LED states and use
correct test procedure.
Table 237 NIDU indicator LED states
Port
LED
State
Description and test procedure
LAN
Green On steady Normal state: Ethernet 1000BaseT signal detected.
Off
Abormal state: Ethernet signal detected but not 1000BaseT.
Amber Blink
Normal state: data activity detected.
On steady Abormal state: alarm signal received.
ODU
Green On steady Normal state: Ethernet 1000BaseT signal detected
Off
Abormal state: Ethernet signal detected but not 1000BaseT.
Amber Blink
Normal state: data activity detected.
On steady Abormal state: alarm signal received.
E1/T1
Green On steady Normal state: TDM signal detected
Amber Blink
Normal state: TDM data activity detected.
Amber On steady Abnormal state: no TDM data activity detected.
Содержание PTP 670 Series
Страница 1: ...F Cambium PTP 670 Series User Guide System Release 670 02 50 ...
Страница 349: ...Chapter 5 Installation Installing an SFP Ethernet interface Page 5 52 Correct Incorrect ...
Страница 405: ...Chapter 6 Configuration and alignment System menu Page 6 46 Figure 151 LAN Configuration page PTP topology TDM support ...
Страница 406: ...Chapter 6 Configuration and alignment System menu Page 6 47 Figure 152 LAN Configuration page PTP topology SFP support ...
Страница 408: ...Chapter 6 Configuration and alignment System menu Page 6 49 Figure 154 LAN Configuration page HCMP topology ...
Страница 416: ...Chapter 6 Configuration and alignment System menu Page 6 57 Figure 156 QoS Configuration page IP MPLS ...
Страница 445: ...Chapter 6 Configuration and alignment Management menu Page 6 86 Figure 173 Time Configuration page SNTP enabled ...
Страница 551: ...Chapter 7 Operation System statistics Page 7 64 Figure 250 Main Port Counters page when main port is bridging traffic ...