ADTRAN 850 specifications Specifications, Maintenance, Warranty and Customer Service

Table 2. Wire Wrap Identification

P3 Wire-Wrap Connections

T1 Connections

1R1 DS1 Ring input from network

2T1 DS1 Tip input from network

3R DS1 Ring output from network

4T DS1 Tip output from network

5Gnd Ground

P5 Wire-Wrap Connections

Alarm Connections

1	-48 ALM	DC Alarm output
2	MJVR	Major Alarm Visual Common
3	MJV	Major Alarm Visual
4	MJR	Major Alarm Audible Common
5	MJ	Major Alarm Audible

To customer designed remote alarms

48VALM	MJVR		MJV	MJR	MJ
-
Figure 7. Office Alarm Connections
Table 3. Alarm Notification
Alarm Condition			Relays Activated
		MJR		MJVR	-48 ALM
Red Alarm		X		X
Yellow Alarm		X		X
AIS Alarm		X		X
PSU Power Fuse Fails		X		X	X
Alarms ACO Deactivates		X		X

Note: ACO will not deactivate MJR after a power fuse failure.

Install any Option Modules

After installing the TA 850 Base Unit and connecting the required cables, you can install your choice of op- tion modules.

WARNING

Remove the 20 Hz fuse before exposing backplane or accessing channel units.

Individual access modules insert from the front. A lock- ing bar holds the modules in place for added security. Disengaging the captured screw allows removal of the locking bar. All wiring connections terminate on the backplane. Refer to Table 2 on page 6 for wire-wrap connections, and refer to Figure 2 on page 2 for back- plane layout. Refer to Table 1 on page 4 for backplane reference designator descriptions and functions sup- ported.

Power-Up

As shipped, the T A850 is set to factory default condi- tions. After installing the TA 850 Base Unit and any op- tion modules, the TA 850 is ready for power-up.

4. SPECIFICATIONS

Table 4 on page 10 gives specifications and relevant part numbers.

5. MAINTENANCE

The TA 850 System does not required programmed maintenance for design operation.

ADTRAN does not recommend that repairs be attempt- ed in the field. Repair services are obtained by returning the defective unit to ADTRAN Customer Service.

6.WARRANTY AND CUSTOMER SERVICE

ADTRAN will replace or repair this product within ten years from the date of shipment if the product does not meet its published specifications or if it fails while in service. For detailed warranty, repair, and return infor- mation refer to the ADTRAN Equipment Warranty and Repair and Return Policy Procedure.

Return Material Authorization (RMA) is required prior to returning equipment to ADTRAN.

For service, RMA requests, or more information, see the following sections for the correct toll-free contact num- ber.

6 Issue 2, June 2000 61200376L1-5B