Maintenance; Specifications; Warranty And Customer Service; Table 6. T1 Port Statistics Definitions - ADTRAN SHDSL E1 Installation And Maintenance Practice

Statistic
Errored Seconds (ES)
Severely Errored Seconds (SES)
Unavailable Seconds (UAS)
Code Violations Count (CVC)

6. MAINTENANCE

The SHDSL T1/E1 NTU requires no routine mainte-
nance for normal operation.
ADTRAN does not recommend that repairs be
attempted in the field. Repair services may be obtained
by returning the defective unit to ADTRAN. Refer to
the

Warranty and Customer Service

information.

7. SPECIFICATIONS

Specifications for the SHDSL T1/E1 NTU are detailed
in Table 7.
8. WARRANTY AND CUSTOMER SERVICE
ADTRAN will replace or repair this product within the
warranty period if it does not meet its published specifi-
cations or fails while in service. Warranty information
can be found at www.adtran.com/warranty.
61225236L1-5A

Table 6. T1 Port Statistics Definitions

Framing Mode
Unframed LOS condition or BPV's > 0
SF LOS or LOF condition, or if BPV's > 0 or FE's > 0
ESF LOS or LOF condition, or if BPV's > 0 or FE's > 0
Unframed LOS condition or BPV's > 1544
SF LOS or LOF condition, or if BPV's > 1544 or if FE's > 8
ESF LOS or LOF condition, or if BPV's > 1544 or if FE's > 8
N/A If 10 continuous SES's, then UAS
If 10 continuous seconds with no SES's, then no UAS
Unframed If BPV's > 0
SF If BPV's > 0 or FE's > 0
ESF If BPV's > 0 or FE's > 0
section for further
Issue 1, August 2003
Definition

Table 7. SHDSL T1/E1 NTU Specifications

Environmental
Operating Temperature:
Storage Temperature:
Relative Humidity:
Maximum Current Draw:
Maximum Heat
Dissipation:
Physical
Dimensions:
Weight:
Part Number
SHDSL T1/E1 NTU
Module:
–0°C to 55°C
–40°C to 85°C
90 percent maximum @
50°C, noncondensing
0.074 A maximum
@ Ð48 VDC
3.55 watts
5.625 in. H x .625 in. W x
6.0 in. D
< 1 lb.
1225236L1
9