Spectracom SecureSync User Manual

To EDIT an existing key pair, click the corresponding Change button, and pro-
ceed to Step4.
To DELETE a key pair, click the corresponding Delete button, and click OK in the
dialog box to confirm and complete the procedure.
4.
The NTP Symmetric Key window will display:
Fill in, or edit the fields:
Trusted (checkbox)—Check this box to use MD5 authentication with trusted key ID.
Note: To use the MD5 authentication with trusted key ID, both the
NTP client and the SecureSync must contain the same key ID/key
string pair, the client must be set to use one of these MD5 pairs, and
the key must be trusted.
Key ID—The key ID must be a number between 1 and 65532.
Digest Scheme—Choose one of the options from the drop-down list. The available
options are:
MD5 (the default)
SHA1
SHA
MDC2
MDC2
RIPEMD160
MD4
Key Str—The key string must be readable ASCII and between 1 and 16 characters
long.
5.
Click the Submit button: The changes will be reflected in the table of the NTP Symmetric
Keys window, which is displayed after clicking the Submit button.
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CHAPTER 2 • SecureSync User Reference Guide Rev. 26
2.14 Configuring NTP

Spectracom SecureSync Specifications

General

Model	SecureSync
Time Reference	GPS, GLONASS, BeiDou, Galileo, IRIG, NTP, PTP, 1PPS
Disciplines	GNSS, IRIG, PTP, NTP, SyncE
Inputs	GPS, GLONASS, BeiDou, Galileo, IRIG, NTP, PTP, 1PPS
Outputs	NTP, PTP, 1PPS, IRIG
Protocols	PTP, NTP, SNMP, SSH, HTTPS
Form Factor	1U Rack-mount
Redundancy	Optional redundant power supply
Security Features	Password protection, access control lists, SSH, HTTPS, SNMPv3, NTP authentication, PTP authentication
Power Supply	100-240 VAC, 50-60 Hz
Operating Temperature	0°C to +50°C
Dimensions	44.45 mm (H) x 482.6 mm (W)