ADTRAN E1 Bedienungsanleitung PDF herunterladen (Seite 26)

Chapter 3. Operation

3-8

Quad E1/PRA Module User Manual 61200264L1

Figure 3-8. Configuration Menu

» Prt

Read security: 5

Displays the port number.

» Port Name

Write security: 3; Read security: 5

Enter any text up to 16 characters to uniquely identify each port on the Quad

E1/PRA Module.

» NFAS

Write security: 3; Read security: 5

If enabled, the network interface receiver requires the NFAS word (TS0 0 in odd

frames) and the FAS word (TS0 0 in even frames) for frame sync. When dis-

abled, only the FAS word is needed for frame sync.

» TS16 MF

Write security: 3; Read security: 5

If enabled, the receiver requires MFAS word in TS16 to achieve sync. The trans-

mitter outputs MFAS word in TS16 (see also, CAS on page 3-11).

» CRC-4

Write security: 3; Read security: 5

Transmits the CRC-4 checksum bits in the outgoing E1 data stream, when

enabled. Also, checks the received signal for errors.

» Auto Alarm

Write security: 3; Read security: 5

Transmits a remote alarm when framing is lost (when Red Alarm Generation is

on), and transmits an AIS alarm when all ones are received (when RCM AIS

Generation is on).

» Code

Write security: 3; Read security: 5

Allows selection of line coding. HDB3 is normally the only coding method used

on public networks. AMI may be selected for testing purposes.

» TS0 Spare

Write security: 3; Read security: 5

Allows setting of the TS0 spare bits, Sa4 (MXB) to Sa8 (LSB).

» Intl Bit

Write security: 3; Read security: 5

Allows setting of International Spare Bit.

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ADTRAN E1 Bedienungsanleitung Seite 26