Network Control Module 300 Series Technical Bulletin 53
Idle Time in the Task Utilization Tool
The idle time displayed in the Task Utilization tool does not have the
same value as the NCM Idle Time. The NCM Idle Time is a filtered
value (see the Idle Time Percent Calculation section). The Task
Utilization tool displays the idle time average over a 15-second span.
Specifications and Order Codes
Table 21: Specifications
Feature Specification
Supply Voltage
90 to 240 VAC, 670 to 250 mA, 50-60 Hz
Power Consumption
60 VA (maximum), 25 VA (typical) at 50-60 Hz
Ambient Operating
Conditions
0 to 50°C (32 to 122°F)
10 to 90% RH noncondensing
Ambient Storage Conditions
0 to 50°C (32 to 122°F)
10 to 90% RH
Internal Batteries
Shelf life (disconnected): 10 years
Typical working life, with power: 5 years
Maintains RAM programs/data for up to a 72-hour power failure
Automatically recharges from NCM
Serial Interfaces
One optically isolated RS-485 interface for N2 connection; 9600 baud
pluggable, 3-position connector
Three RS-232-C ports (300 through 19200 baud):
two DB9 male connection
one DB9 male/RJ-12 connection
Processor
80386 @ 16 MHz
Memory Options Total Memory Database Memory SIMM Type/Quantity
2 MB 580 KB none
4 MB 2 MB 1 MB SIMM (2)
6 MB 4 MB 1 MB SIMM (4)
8 MB 6 MB none
10 MB 8 MB 4 MB SIMM (2)
- 1 or 4 MB SIMMs should be 9 bits wide on a 30-pin SIMM with a
speed rating of 100 nS or faster.
- 3 chip SIMMs use less power than 9 chip SIMMs (that is, this
extends your battery backup time). See Table 6, in the ISA Bus Cards,
Battery Pack section of this document.
- Memory is always upgraded in pairs (banks) of SIMMs.
Dimensions
(L x W x H)
32 x 15 x 14 cm (12.4 x 6.0 x 5.5 in.)
Shipping Weight
1.9 kg (4.2 lb)
Agency Listings NCM300/350
UL 916 Listed
CSA C22.2 Certified
FCC Class A
UL 864 Listed
NCM311/361
Meets EMC directive 89/336/EEC
FCC Class A
Note: The NCM350-8 does not have memory options. The supplied memory is: Total Memory = 8 MB;
Database memory = 6 MB; SIMM type/quantity = none.
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