User's Manual

Manufacturer ESPA and model VSK 349

Table 18

(cont’d.)

MASTER (address 1) SLAVE (address 2)

1ENQ (I have data for address 1)

ACK (I am ready to receive data)

DATA Block1

ACK

DATA Block2

1NAK (Transmission error)

DATA Block2

ACK

EOT

2ENQ (Polling)

EOT

2ENQ

Nortel Communication Server 1000

DECT Messenger Installation and Commissioning — Book 1

NN43120-301 02.01 4 June 2010