ADTRAN DDM + H2TU-C warranty RS-232 DB-9 Connector, Compliance Codes, Warranty

DDM+ H2TU - C

JOBAID

61222003L2-22A

0104

DDM+ H2TU-C

CLEI: T1L3X5BA_ _

STATUS LEDs

STATUS ●	RED	Alarm on the H2TU-C loop, H2R loop, DSX or DS1 interface.
✷	FLASHING	Signal Quality of 0 or No Sync on the loop.
●	AMBER	Loopbacks active.
✷	FLASHING	In-band loopbacks armed.
●	GREEN	Functioning properly.
✷	FLASHING	ES, SES, or BPV detected at either DSX or DS1 interface.

RS-232 DB-9 CONNECTOR

■Used to access the HDSL2 utilities menu tree via VT100 emulation software such as Terminal, Hyper Terminal – Private Edition, and ProComm Plus.

■There are two types of terminal emulation modes, Manual and Real-Time. To toggle between the two modes, type “CTRL” and “T.” To update the screens while in Manual Mode, press the space bar 3 times. Real-Time Update Mode is the default.

■Provision terminal port as follows:

Data Rate — 1.2 kbps to 19.2 kbps

Asynchronous Data Format — eight data bits, no parity (none), one stop bit, and no flow control.

■Hardware Flow Control – disabled.

■When using a PC with terminal software, be sure to disable any power saving programs.

COMPLIANCE CODES

This product is intended to be installed in an enclosure with an Installation Code (IC) of “B” or “E” and in Restricted Access Locations only.

Code	Input	Output
Installation Code (IC)	A	—
Telecommunication Code (TC)	—	X
Power Code (PC)	F	C

WARRANTY

Warranty for Carrier Networks products manufactured by ADTRAN and supplied under Buyer’s order for use in the U.S. is ten (10) years. For a complete faxback copy of ADTRAN’s U.S. and Canada Carrier Networks Equipment Warranty: (877) 457-5007, Document #414.

CIRCUIT BOARD 6-POSITION DIP SWITCH – SW1

Provisions the unit. (Default settings are in bold.)

SW1-1

■Selects line coding to AMI or B8ZS

SW1-2

■Selects T1-framing to FRAMED or UNFRAMED1

SW1-3

■Selects T1-framing to SF or ESF

SW1-4

■ENABLES or DISABLES the NIU loopback

SW1-5

■ENABLES or DISABLES the loopback timeout2

SW1-6

■ENABLES or DISABLES the shelf alarm

1UNFRAMED operation ignores the setting of SW1-3

2Default timeout setting is 20 minutes when loopback timeout is ENABLED

CIRCUIT BOARD 5-POSITION ROTARY SWITCH – SW2

Sets the DSX-1 Line Build Out (LBO). (Default settings are in bold.)

■	0 — 0-133 feet of LBO
■ 133		— 133-266 feet of LBO	DSX-1 LBO
■ 266		— 266-399 feet of LBO
■ 399		— 399-533 feet of LBO	0	133
■	533	— 533-655 feet of LBO	SW2

7	01
			2	266
6
5		4	3
	533			399

C A U T I O N !

SUBJECT TO ELECTROSTATIC DAMAGE

OR DECREASE IN RELIABILITY.

HANDLING PRECAUTIONS REQUIRED. For a complete Installation and Maintenance faxback document: (877) 457-5007, Document #695. Please have your fax number available.