ERR4500 - 4599

ERR4500	GPT Integrated Digital Access ERR: {x x x x x} The format of the message is ERR4500 xxxx, where xxxx is as follows: 300 d -A message has been received from DTSL/DDSL d that is either unequipped or disabled. 311 d - Message length of zero read from DTSL d — suspect faulty pack. 312 d - Message length exceeding 63 bytes read from DTSL d. 313 d - DTSL d is not responding. 314 d - Status register of DTSL d is not accessible. 315 d - Data register of DTSL d is not accessible. 330 d - Message output to DTSL/DDSL d has failed. 333 d - Invalid interrupt 401 d - Message length of less than 3 bytes has been received from DTSL/DDSL d. 402 d l c - Message received on unconfigured channel c, loop l, and DTSL/DDSL d. 403 d tn - Flow control encountered on DTSL/DDSL d. tn gives packed TN of the channel.
ERR4501	Received a PRA message with an unsupported service identifier.
ERR4502	Service discriminator is not supported by ISDN.
ERR4503	Message is ping-pong between 2 nodes.
ERR4506	Facility reject received. Data: Orig PNI, Orig #, Dest PNI, Dest #, Reason. The values for "Reason" are: 0 = no transmission address of such nature 1 = no transmission address for this specific address 2 = application congestion 3 = application failure 4 = unequipped application 5 = network failure 6 = network congestion
ERR4507	c s Missing PNI number in the customer data block. Where: c = customer, s = service ID.
ERR4508	Received bad facility I.E.
ERR4509	s PNI missing in RDB, where: s = Service ID.
ERR4510	ROSE component sent is being rejected.

---