Paradyne 336x E1 manual Test Jacks, LEDs

ACCULINK 336x E1 NTU

The scroll keys ( and ) serve one of two functions, depending on whether a menu screen or a data entry screen appears on the front panel.

For data entry screens, the key scrolls one

character to the left while the key scrolls one character to the right.

For menu screens, the key scrolls to the previous

menu choice while the key scrolls to the next menu choice.

If a choice is available to the left of the screen, the character ← appears on the top line. If a choice is available to the right of the screen, the → character appears on the top line. If choices are available to both the right and the left of the screen, two arrows appear ( ). The arrows indicate that you must use the scroll keys to bring the additional options onto the screen.

F1 F2 F3

Test Jacks

Six test jacks are located on the front panel

(Figure 3-4).These are described in the Test Jacks section in Chapter 4, Maintenance.

HDSL	E1	E1
NET	LINE	MON
Lp1	In	In
Lp2	Out	Out
		495-14753

Figure 3-4. Test Jacks

LEDs

There are twelve LEDs on the E1 NTU front panel. The five LEDs on the right (Figure 3-5) are shared between the G.703 DTE port and the data ports. Refer to the Selecting the G.703 DTE or Data Port for LED Display section later in this chapter to choose which port's status the LEDs display.

OK FAIL TEST SIG1 SIG2 OOF ALRM SIG OOF ALRM PDV BPV

NETWORK DTR TXD RXD CTS RTS

495-14749

Figure 3-5. E1 NTU LEDs

A green LED indicates normal operation. A yellow LED indicates a warning (for the G.703 DTE port) or activity (for the data ports). Conditions are sampled every tenth of a second.

The twelve front panel LEDs are grouped into four sections to indicate the status of the:

•System (Table 3-1)

•Network interface (Table 3-2)

•G.703 DTE Port (Table 3-3)

•Data Ports (Table 3-4)

3-4 December 1996 3360-A2-GB20-20